EESchema Schematic File Version 4
LIBS:dev-board-cache
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 17
Title "SPI Memory development and testing module"
Date ""
Rev "A"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Notes 5500 1000 0 118 ~ 24
Mounting Holes
Text Notes 1600 1000 0 118 ~ 24
40-Pin HAT Connector
Text Notes 8900 1000 0 118 ~ 24
USB Interface
$Comp
L Connector:Raspberry_Pi_2_3 J1
U 1 1 5D59676A
P 2600 2900
F 0 "J1" H 1950 4150 50 0000 C CNN
F 1 "Raspberry_Pi_2_3" H 3200 4150 50 0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 2600 2900 50 0001 C CNN
F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 2600 2900 50 0001 C CNN
1 2600 2900
1 0 0 -1
$EndComp
$Comp
L power:+5VP #PWR01
U 1 1 5D5AA0F0
P 2700 1500
F 0 "#PWR01" H 2700 1350 50 0001 C CNN
F 1 "+5VP" H 2715 1673 50 0000 C CNN
F 2 "" H 2700 1500 50 0001 C CNN
F 3 "" H 2700 1500 50 0001 C CNN
1 2700 1500
1 0 0 -1
$EndComp
Wire Wire Line
2900 4200 2800 4200
Wire Wire Line
2800 4200 2700 4200
Connection ~ 2800 4200
Wire Wire Line
2600 4200 2700 4200
Connection ~ 2700 4200
Wire Wire Line
2600 4200 2500 4200
Connection ~ 2600 4200
Wire Wire Line
2400 4200 2500 4200
Connection ~ 2500 4200
Wire Wire Line
2400 4200 2300 4200
Connection ~ 2400 4200
Wire Wire Line
2300 4200 2200 4200
Connection ~ 2300 4200
$Comp
L power:GND #PWR02
U 1 1 5D5B1130
P 2800 4400
F 0 "#PWR02" H 2800 4150 50 0001 C CNN
F 1 "GND" H 2805 4227 50 0000 C CNN
F 2 "" H 2800 4400 50 0001 C CNN
F 3 "" H 2800 4400 50 0001 C CNN
1 2800 4400
1 0 0 -1
$EndComp
Wire Wire Line
2800 4400 2800 4200
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5D5B6246
P 5500 1400
F 0 "H1" H 5600 1446 50 0000 L CNN
F 1 "MountingHole" H 5600 1355 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5_Pad" H 5500 1400 50 0001 C CNN
F 3 "~" H 5500 1400 50 0001 C CNN
1 5500 1400
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 5D5BD3B6
P 6400 1400
F 0 "H2" H 6500 1446 50 0000 L CNN
F 1 "MountingHole" H 6500 1355 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5_Pad" H 6400 1400 50 0001 C CNN
F 3 "~" H 6400 1400 50 0001 C CNN
1 6400 1400
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole_Pad H3
U 1 1 5D5BFA5D
P 5500 1800
F 0 "H3" H 5600 1846 50 0000 L CNN
F 1 "MountingHole" H 5600 1755 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5_Pad" H 5500 1800 50 0001 C CNN
F 3 "~" H 5500 1800 50 0001 C CNN
1 5500 1800
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole_Pad H4
U 1 1 5D5C25AF
P 6400 1800
F 0 "H4" H 6500 1846 50 0000 L CNN
F 1 "MountingHole" H 6500 1755 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5_Pad" H 6400 1800 50 0001 C CNN
F 3 "~" H 6400 1800 50 0001 C CNN
1 6400 1800
1 0 0 -1
$EndComp
NoConn ~ 3400 2000
NoConn ~ 3400 2100
NoConn ~ 2800 1600
NoConn ~ 2700 1600
Wire Wire Line
3400 3200 3900 3200
Wire Wire Line
3400 3300 3900 3300
Text Label 3900 3300 2 50 ~ 0
SPI_MOSI
Text Label 3900 3400 2 50 ~ 0
SPI_SCLK
Wire Wire Line
3900 3400 3400 3400
$Comp
L power:GND #PWR07
U 1 1 5D6C0A4E
P 8650 4850
F 0 "#PWR07" H 8650 4600 50 0001 C CNN
F 1 "GND" H 8655 4677 50 0000 C CNN
F 2 "" H 8650 4850 50 0001 C CNN
F 3 "" H 8650 4850 50 0001 C CNN
1 8650 4850
1 0 0 -1
$EndComp
Text Label 3900 3200 2 50 ~ 0
SPI_MISO
$Comp
L power:VBUS #PWR06
U 1 1 5D6E8244
P 8500 4050
F 0 "#PWR06" H 8500 3900 50 0001 C CNN
F 1 "VBUS" H 8515 4223 50 0000 C CNN
F 2 "" H 8500 4050 50 0001 C CNN
F 3 "" H 8500 4050 50 0001 C CNN
1 8500 4050
1 0 0 -1
$EndComp
Wire Wire Line
10100 2950 10600 2950
Text Label 10600 2950 2 50 ~ 0
SPI_MISO
Wire Wire Line
10100 2850 10600 2850
Text Label 10600 2850 2 50 ~ 0
SPI_MOSI
Text Label 10600 2750 2 50 ~ 0
SPI_SCLK
Wire Wire Line
10600 2750 10100 2750
$Comp
L Device:C C1
U 1 1 5D70826B
P 9850 2300
F 0 "C1" V 9598 2300 50 0000 C CNN
F 1 "0.47µF" V 9689 2300 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9888 2150 50 0001 C CNN
F 3 "~" H 9850 2300 50 0001 C CNN
F 4 "0.22-0.47µF according to MCP DS" V 9850 2300 50 0001 C CNN "Comment"
1 9850 2300
0 1 1 0
$EndComp
$Comp
L power:GND #PWR03
U 1 1 5D70C617
P 10100 2400
F 0 "#PWR03" H 10100 2150 50 0001 C CNN
F 1 "GND" H 10105 2227 50 0000 C CNN
F 2 "" H 10100 2400 50 0001 C CNN
F 3 "" H 10100 2400 50 0001 C CNN
1 10100 2400
1 0 0 -1
$EndComp
$Comp
L Device:R R1
U 1 1 5D713562
P 9000 2500
F 0 "R1" H 9070 2546 50 0000 L CNN
F 1 "10k" H 9070 2455 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 8930 2500 50 0001 C CNN
F 3 "~" H 9000 2500 50 0001 C CNN
F 4 "1-10K according to MCP DS" H 9000 2500 50 0001 C CNN "Comment"
1 9000 2500
1 0 0 -1
$EndComp
Wire Wire Line
9000 2750 9000 2650
$Comp
L Device:Crystal Y1
U 1 1 5D71AA6D
P 8650 3000
F 0 "Y1" V 8604 3131 50 0000 L CNN
F 1 "12MHz" V 8695 3131 50 0000 L CNN
F 2 "Crystal:Crystal_SMD_TXC_7A-2Pin_5x3.2mm" H 8650 3000 50 0001 C CNN
F 3 "https://www.mouser.de/datasheet/2/122/ecx-53r-17605.pdf" H 8650 3000 50 0001 C CNN
F 4 "ECS-120-18-30-JEM-TR" V 8650 3000 50 0001 C CNN "ECS Part no"
1 8650 3000
0 1 1 0
$EndComp
Wire Wire Line
9100 2950 9100 2850
Wire Wire Line
9100 2850 8650 2850
Wire Wire Line
9100 3050 9100 3150
Wire Wire Line
9100 3150 8650 3150
$Comp
L power:GND #PWR05
U 1 1 5D723281
P 8000 2850
F 0 "#PWR05" H 8000 2600 50 0001 C CNN
F 1 "GND" H 8005 2677 50 0000 C CNN
F 2 "" H 8000 2850 50 0001 C CNN
F 3 "" H 8000 2850 50 0001 C CNN
1 8000 2850
1 0 0 -1
$EndComp
Wire Wire Line
8100 4750 8000 4750
NoConn ~ 8400 4550
$Comp
L Connector:USB_B_Micro J2
U 1 1 5D5C8BC2
P 8100 4350
F 0 "J2" H 8157 4817 50 0000 C CNN
F 1 "USB_B_Micro" H 8157 4726 50 0000 C CNN
F 2 "Connector_USB:USB_Micro-B_Molex-105017-0001" H 8250 4300 50 0001 C CNN
F 3 "~" H 8250 4300 50 0001 C CNN
1 8100 4350
1 0 0 -1
$EndComp
Wire Wire Line
8500 4050 8500 4150
Wire Wire Line
8500 4150 8400 4150
Wire Wire Line
8100 4750 8650 4750
Connection ~ 8100 4750
Wire Wire Line
8800 4450 8400 4450
Wire Wire Line
8800 3250 8800 4450
Wire Wire Line
8400 4350 8900 4350
Wire Wire Line
8900 3350 8900 4350
$Comp
L Device:C C2
U 1 1 5D71EFD7
P 8350 2750
F 0 "C2" V 8098 2750 50 0000 C CNN
F 1 "18pF" V 8189 2750 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 8388 2600 50 0001 C CNN
F 3 "~" H 8350 2750 50 0001 C CNN
1 8350 2750
0 1 1 0
$EndComp
$Comp
L Device:C C3
U 1 1 5D71FB07
P 8350 3250
F 0 "C3" V 8098 3250 50 0000 C CNN
F 1 "18pF" V 8189 3250 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 8388 3100 50 0001 C CNN
F 3 "~" H 8350 3250 50 0001 C CNN
1 8350 3250
0 1 1 0
$EndComp
Wire Wire Line
8500 3250 8650 3250
Wire Wire Line
8650 3250 8650 3150
Connection ~ 8650 3150
Wire Wire Line
8650 2850 8650 2750
Wire Wire Line
8650 2750 8500 2750
Connection ~ 8650 2850
Wire Wire Line
8200 2750 8200 3250
Wire Wire Line
8200 2750 8000 2750
Wire Wire Line
8000 2750 8000 2850
Connection ~ 8200 2750
Text Label 11700 3150 2 50 ~ 0
~SPI_RELEASE
Text Notes 12700 1000 0 118 ~ 24
Power Management
Text Notes 12400 1200 0 50 ~ 0
U2 will forward VBUS to +5V if VBUS is available. If not,\nit will forward the Pi's +5VP instead.
Wire Wire Line
9100 2750 9000 2750
Wire Wire Line
8900 3350 9100 3350
Wire Wire Line
9100 3250 8800 3250
$Comp
L dev-board:MCP2210-I-SS U1
U 1 1 5D5CDFC7
P 9600 3350
F 0 "U1" H 9250 2600 50 0000 C CNN
F 1 "MCP2210-I-SS" H 9950 2600 50 0000 C CNN
F 2 "Package_SO:SSOP-20_5.3x7.2mm_P0.65mm" H 9600 4450 50 0001 C CNN
F 3 "https://ww1.microchip.com/downloads/en/DeviceDoc/22288A.pdf" H 9600 4150 50 0001 C CNN
1 9600 3350
1 0 0 -1
$EndComp
$Comp
L dev-board:TPS2115APW U2
U 1 1 5D5E225B
P 13950 2050
F 0 "U2" H 13950 2515 50 0000 C CNN
F 1 "TPS2115APW" H 13950 2424 50 0000 C CNN
F 2 "Package_SO:TSSOP-8_4.4x3mm_P0.65mm" H 13950 2550 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tps2115a.pdf" H 13950 2050 50 0001 C CNN
1 13950 2050
1 0 0 -1
$EndComp
$Comp
L power:VBUS #PWR09
U 1 1 5D5E868D
P 12700 1750
F 0 "#PWR09" H 12700 1600 50 0001 C CNN
F 1 "VBUS" H 12715 1923 50 0000 C CNN
F 2 "" H 12700 1750 50 0001 C CNN
F 3 "" H 12700 1750 50 0001 C CNN
1 12700 1750
1 0 0 -1
$EndComp
$Comp
L power:+5VP #PWR08
U 1 1 5D5EA233
P 12300 1750
F 0 "#PWR08" H 12300 1600 50 0001 C CNN
F 1 "+5VP" H 12315 1923 50 0000 C CNN
F 2 "" H 12300 1750 50 0001 C CNN
F 3 "" H 12300 1750 50 0001 C CNN
1 12300 1750
1 0 0 -1
$EndComp
NoConn ~ 13550 2050
$Comp
L power:GND #PWR011
U 1 1 5D5ECF51
P 13550 2850
F 0 "#PWR011" H 13550 2600 50 0001 C CNN
F 1 "GND" H 13555 2677 50 0000 C CNN
F 2 "" H 13550 2850 50 0001 C CNN
F 3 "" H 13550 2850 50 0001 C CNN
1 13550 2850
1 0 0 -1
$EndComp
$Comp
L Device:R R5
U 1 1 5D5EFF3F
P 13550 2500
F 0 "R5" H 13620 2546 50 0000 L CNN
F 1 "1k" H 13620 2455 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 13480 2500 50 0001 C CNN
F 3 "~" H 13550 2500 50 0001 C CNN
F 4 "Ilim is 500/Rlim" H 13550 2500 50 0001 C CNN "Comment"
1 13550 2500
1 0 0 -1
$EndComp
Wire Wire Line
13550 2850 13550 2750
Wire Wire Line
13550 2750 13950 2750
Wire Wire Line
13950 2750 13950 2450
Connection ~ 13550 2750
$Comp
L power:+5V #PWR010
U 1 1 5D5F729A
P 14550 1750
F 0 "#PWR010" H 14550 1600 50 0001 C CNN
F 1 "+5V" H 14565 1923 50 0000 C CNN
F 2 "" H 14550 1750 50 0001 C CNN
F 3 "" H 14550 1750 50 0001 C CNN
1 14550 1750
1 0 0 -1
$EndComp
Wire Wire Line
9000 2350 9000 2300
Wire Wire Line
8650 4850 8650 4750
Connection ~ 8650 4750
Wire Wire Line
14350 1950 14550 1950
Wire Wire Line
14550 1950 14550 1750
Wire Wire Line
9600 4750 9600 4150
Wire Wire Line
8650 4750 9600 4750
$Comp
L Regulator_Linear:MIC5504-3.3YM5 U3
U 1 1 5D6605EE
P 13450 4000
F 0 "U3" H 13450 4367 50 0000 C CNN
F 1 "MIC5504-3.3YM5" H 13450 4276 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 13450 3600 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/MIC550X.pdf" H 13200 4250 50 0001 C CNN
1 13450 4000
1 0 0 -1
$EndComp
Text Notes 8600 1200 0 50 ~ 0
The MCP has to be run at 3.3V so the IO voltage is\ncompatible with the Pi's.
$Comp
L power:+5V #PWR012
U 1 1 5D670F22
P 12600 3800
F 0 "#PWR012" H 12600 3650 50 0001 C CNN
F 1 "+5V" H 12615 3973 50 0000 C CNN
F 2 "" H 12600 3800 50 0001 C CNN
F 3 "" H 12600 3800 50 0001 C CNN
1 12600 3800
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR014
U 1 1 5D67715B
P 13450 4450
F 0 "#PWR014" H 13450 4200 50 0001 C CNN
F 1 "GND" H 13455 4277 50 0000 C CNN
F 2 "" H 13450 4450 50 0001 C CNN
F 3 "" H 13450 4450 50 0001 C CNN
1 13450 4450
1 0 0 -1
$EndComp
Wire Wire Line
13450 4450 13450 4400
$Comp
L Device:C C4
U 1 1 5D67A53D
P 14000 4150
F 0 "C4" H 14115 4241 50 0000 L CNN
F 1 "1µF" H 14115 4150 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 14038 4000 50 0001 C CNN
F 3 "~" H 14000 4150 50 0001 C CNN
F 4 "X5R/X7R" H 14115 4059 50 0000 L CNN "Comment"
1 14000 4150
1 0 0 -1
$EndComp
$Comp
L Device:C C5
U 1 1 5D67D8E3
P 12600 4250
F 0 "C5" H 12715 4341 50 0000 L CNN
F 1 "1µF" H 12715 4250 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 12638 4100 50 0001 C CNN
F 3 "~" H 12600 4250 50 0001 C CNN
F 4 "X5R/X7R" H 12715 4159 50 0000 L CNN "Comment"
1 12600 4250
-1 0 0 1
$EndComp
Connection ~ 13450 4400
Wire Wire Line
13450 4400 13450 4300
Wire Wire Line
13450 4400 14000 4400
Wire Wire Line
14000 3900 13850 3900
Wire Wire Line
14000 3900 14300 3900
Wire Wire Line
14300 3900 14300 3800
Connection ~ 14000 3900
$Comp
L power:+3.3V #PWR013
U 1 1 5D686C76
P 14300 3800
F 0 "#PWR013" H 14300 3650 50 0001 C CNN
F 1 "+3.3V" H 14315 3973 50 0000 C CNN
F 2 "" H 14300 3800 50 0001 C CNN
F 3 "" H 14300 3800 50 0001 C CNN
1 14300 3800
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR04
U 1 1 5D69580D
P 9000 2200
F 0 "#PWR04" H 9000 2050 50 0001 C CNN
F 1 "+3.3V" H 9015 2373 50 0000 C CNN
F 2 "" H 9000 2200 50 0001 C CNN
F 3 "" H 9000 2200 50 0001 C CNN
1 9000 2200
1 0 0 -1
$EndComp
Wire Wire Line
1800 3100 1250 3100
Wire Wire Line
1800 3600 1250 3600
Wire Wire Line
13550 2350 13550 2250
Wire Wire Line
13550 2650 13550 2750
Text Label 1250 3100 0 50 ~ 0
~SPI_RELEASE
Text Label 1250 3600 0 50 ~ 0
SPI_REL_ACK
NoConn ~ 1800 2000
NoConn ~ 1800 2100
NoConn ~ 3400 2300
NoConn ~ 3400 2400
NoConn ~ 3400 3700
NoConn ~ 3400 3600
$Comp
L Device:R R3
U 1 1 5D744234
P 15400 3150
F 0 "R3" V 15193 3150 50 0000 C CNN
F 1 "1k" V 15284 3150 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 15330 3150 50 0001 C CNN
F 3 "~" H 15400 3150 50 0001 C CNN
1 15400 3150
-1 0 0 1
$EndComp
$Comp
L Device:LED D1
U 1 1 5D7446A8
P 15400 2750
F 0 "D1" V 15439 2632 50 0000 R CNN
F 1 "USB" V 15348 2632 50 0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 15400 2750 50 0001 C CNN
F 3 "~" H 15400 2750 50 0001 C CNN
1 15400 2750
0 -1 -1 0
$EndComp
Wire Wire Line
15400 2900 15400 3000
Wire Wire Line
10000 2300 10100 2300
Wire Wire Line
10100 2300 10100 2400
Wire Wire Line
9700 2300 9600 2300
Wire Wire Line
9600 2300 9600 2550
Wire Wire Line
9600 2300 9500 2300
Wire Wire Line
9500 2300 9500 2550
Connection ~ 9600 2300
Wire Wire Line
9500 2300 9000 2300
Connection ~ 9500 2300
Connection ~ 9000 2300
Wire Wire Line
9000 2300 9000 2200
NoConn ~ 1800 2300
NoConn ~ 1800 2400
NoConn ~ 1800 2500
NoConn ~ 1800 2700
NoConn ~ 1800 2800
NoConn ~ 1800 2900
NoConn ~ 3400 2800
NoConn ~ 3400 3000
NoConn ~ 3400 3100
$Comp
L Device:R R2
U 1 1 5D801BCD
P 10750 3000
F 0 "R2" H 10820 3046 50 0000 L CNN
F 1 "10k" H 10820 2955 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10680 3000 50 0001 C CNN
F 3 "~" H 10750 3000 50 0001 C CNN
1 10750 3000
1 0 0 -1
$EndComp
Wire Wire Line
10750 3150 11000 3150
$Comp
L power:+3.3V #PWR015
U 1 1 5D802E2F
P 10750 2850
F 0 "#PWR015" H 10750 2700 50 0001 C CNN
F 1 "+3.3V" H 10765 3023 50 0000 C CNN
F 2 "" H 10750 2850 50 0001 C CNN
F 3 "" H 10750 2850 50 0001 C CNN
1 10750 2850
1 0 0 -1
$EndComp
NoConn ~ 10100 3350
Wire Wire Line
2400 1500 2400 1600
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5D8692CD
P 2200 1500
F 0 "#FLG0101" H 2200 1575 50 0001 C CNN
F 1 "PWR_FLAG" H 2200 1673 50 0000 C CNN
F 2 "" H 2200 1500 50 0001 C CNN
F 3 "~" H 2200 1500 50 0001 C CNN
1 2200 1500
1 0 0 -1
$EndComp
Wire Wire Line
2500 1600 2500 1500
Wire Wire Line
2500 1500 2700 1500
Wire Wire Line
2500 1500 2400 1500
Connection ~ 2500 1500
Wire Wire Line
2400 1500 2200 1500
Connection ~ 2400 1500
NoConn ~ 6400 1500
NoConn ~ 6400 1900
NoConn ~ 5500 1900
NoConn ~ 5500 1500
$Comp
L power:VBUS #PWR017
U 1 1 5D71FB8B
P 15400 2500
F 0 "#PWR017" H 15400 2350 50 0001 C CNN
F 1 "VBUS" H 15415 2673 50 0000 C CNN
F 2 "" H 15400 2500 50 0001 C CNN
F 3 "" H 15400 2500 50 0001 C CNN
1 15400 2500
1 0 0 -1
$EndComp
Wire Wire Line
15400 2500 15400 2600
$Comp
L power:+5VP #PWR016
U 1 1 5D72B25D
P 15100 2500
F 0 "#PWR016" H 15100 2350 50 0001 C CNN
F 1 "+5VP" H 15115 2673 50 0000 C CNN
F 2 "" H 15100 2500 50 0001 C CNN
F 3 "" H 15100 2500 50 0001 C CNN
1 15100 2500
1 0 0 -1
$EndComp
$Comp
L Device:LED D2
U 1 1 5D730059
P 15100 2750
F 0 "D2" V 15139 2632 50 0000 R CNN
F 1 "PI" V 15048 2632 50 0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 15100 2750 50 0001 C CNN
F 3 "~" H 15100 2750 50 0001 C CNN
1 15100 2750
0 -1 -1 0
$EndComp
Wire Wire Line
15100 2600 15100 2500
$Comp
L Device:R R6
U 1 1 5D7365B9
P 15100 3150
F 0 "R6" V 14893 3150 50 0000 C CNN
F 1 "1k" V 14984 3150 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 15030 3150 50 0001 C CNN
F 3 "~" H 15100 3150 50 0001 C CNN
1 15100 3150
-1 0 0 1
$EndComp
Wire Wire Line
15100 3000 15100 2900
Wire Wire Line
15100 3300 15400 3300
$Comp
L power:GND #PWR018
U 1 1 5D73EFBD
P 15100 3400
F 0 "#PWR018" H 15100 3150 50 0001 C CNN
F 1 "GND" H 15105 3227 50 0000 C CNN
F 2 "" H 15100 3400 50 0001 C CNN
F 3 "" H 15100 3400 50 0001 C CNN
1 15100 3400
1 0 0 -1
$EndComp
Wire Wire Line
15100 3400 15100 3300
Connection ~ 15100 3300
$Comp
L Connector:TestPoint TP2
U 1 1 5D74F2A5
P 14000 3800
F 0 "TP2" H 14058 3918 50 0000 L CNN
F 1 "3V3" H 14058 3827 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 14200 3800 50 0001 C CNN
F 3 "~" H 14200 3800 50 0001 C CNN
1 14000 3800
1 0 0 -1
$EndComp
Wire Wire Line
14000 3900 14000 3800
Wire Wire Line
14000 4400 14000 4300
Wire Wire Line
14000 4000 14000 3900
$Comp
L Connector:TestPoint TP3
U 1 1 5D7931E1
P 14650 2150
F 0 "TP3" V 14604 2338 50 0000 L CNN
F 1 "5V" V 14695 2338 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 14850 2150 50 0001 C CNN
F 3 "~" H 14850 2150 50 0001 C CNN
1 14650 2150
-1 0 0 1
$EndComp
$Comp
L Device:LED D3
U 1 1 5D7B3C56
P 1900 7400
F 0 "D3" V 1939 7282 50 0000 R CNN
F 1 "PI" V 1848 7282 50 0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1900 7400 50 0001 C CNN
F 3 "~" H 1900 7400 50 0001 C CNN
1 1900 7400
0 -1 -1 0
$EndComp
$Comp
L Device:R R7
U 1 1 5D7B3C60
P 2200 7000
F 0 "R7" H 2100 6950 50 0000 C CNN
F 1 "1k" H 2100 7050 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2130 7000 50 0001 C CNN
F 3 "~" H 2200 7000 50 0001 C CNN
1 2200 7000
1 0 0 -1
$EndComp
$Comp
L Device:R R4
U 1 1 5D75A725
P 12900 4100
F 0 "R4" H 12830 4054 50 0000 R CNN
F 1 "10k" H 12830 4145 50 0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 12830 4100 50 0001 C CNN
F 3 "~" H 12900 4100 50 0001 C CNN
1 12900 4100
0 -1 -1 0
$EndComp
Wire Wire Line
12600 4400 13450 4400
Wire Wire Line
12600 3800 12600 3900
Wire Wire Line
12600 3900 13050 3900
Wire Wire Line
12600 3900 12600 4100
Wire Wire Line
12600 4100 12750 4100
Connection ~ 12600 3900
Connection ~ 12600 4100
Text Notes 5400 3100 0 59 ~ 0
Brass Standoffs:\nMouser part numbers\n710-971050154\n710-970050154
$Comp
L Connector:TestPoint TP4
U 1 1 5D68B8F7
P 11000 3150
F 0 "TP4" H 11050 3300 50 0000 L CNN
F 1 "REL" H 11050 3200 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 11200 3150 50 0001 C CNN
F 3 "~" H 11200 3150 50 0001 C CNN
1 11000 3150
1 0 0 -1
$EndComp
Connection ~ 11000 3150
$Comp
L Connector:TestPoint TP5
U 1 1 5D69C244
P 11000 3250
F 0 "TP5" H 10800 3300 50 0000 L CNN
F 1 "ACK" H 10800 3400 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 11200 3250 50 0001 C CNN
F 3 "~" H 11200 3250 50 0001 C CNN
1 11000 3250
-1 0 0 1
$EndComp
Connection ~ 11000 3250
$Comp
L power:+3.3V #PWR019
U 1 1 5D6EA62D
P 1550 5650
F 0 "#PWR019" H 1550 5500 50 0001 C CNN
F 1 "+3.3V" H 1565 5823 50 0000 C CNN
F 2 "" H 1550 5650 50 0001 C CNN
F 3 "" H 1550 5650 50 0001 C CNN
1 1550 5650
1 0 0 -1
$EndComp
Wire Wire Line
11000 3250 11700 3250
Text Label 11700 3250 2 50 ~ 0
SPI_REL_ACK
Wire Wire Line
11000 3150 11700 3150
Wire Wire Line
10100 3150 10750 3150
Connection ~ 10750 3150
$Comp
L Device:R R9
U 1 1 5D7EDDC0
P 1550 5850
F 0 "R9" H 1620 5896 50 0000 L CNN
F 1 "10k" H 1620 5805 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1480 5850 50 0001 C CNN
F 3 "~" H 1550 5850 50 0001 C CNN
1 1550 5850
1 0 0 -1
$EndComp
Wire Wire Line
10100 3250 11000 3250
Text Notes 1400 5200 0 118 ~ 24
Master LEDs
Text Notes 1100 5350 0 59 ~ 0
2 LEDs indicating the current bus master
Text Label 950 6050 0 50 ~ 0
SPI_REL_ACK
$Comp
L Device:R R8
U 1 1 5D848ED6
P 2550 7000
F 0 "R8" H 2480 6954 50 0000 R CNN
F 1 "1k" H 2480 7045 50 0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2480 7000 50 0001 C CNN
F 3 "~" H 2550 7000 50 0001 C CNN
1 2550 7000
1 0 0 -1
$EndComp
Text Notes 4700 5200 0 118 ~ 24
Chip Select Multiplexer
Text Notes 4600 5550 0 50 ~ 0
Due to lack of GPIOs, we use a 4-to-16 decoder to address\nthe test chips. It's shared between the Pi and USB chip, so\nwe hook them up to pull-ups and drive them only via\nOpen-Drain to prevent shorts.
Wire Wire Line
12300 1950 12300 1750
$Comp
L Connector:TestPoint TP7
U 1 1 5DA7893D
P 13300 1800
F 0 "TP7" V 13254 1988 50 0000 L CNN
F 1 "5VP" V 13345 1988 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 13500 1800 50 0001 C CNN
F 3 "~" H 13500 1800 50 0001 C CNN
1 13300 1800
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP6
U 1 1 5DA7EA1E
P 13500 1800
F 0 "TP6" V 13454 1988 50 0000 L CNN
F 1 "VBUS" V 13545 1988 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 13700 1800 50 0001 C CNN
F 3 "~" H 13700 1800 50 0001 C CNN
1 13500 1800
1 0 0 -1
$EndComp
Text Label 4350 6600 0 50 ~ 0
CSBIT0
Text Label 4350 6700 0 50 ~ 0
CSBIT1
Text Label 4350 6800 0 50 ~ 0
CSBIT2
Text Label 4350 6900 0 50 ~ 0
CSBIT3
$Comp
L power:+3.3V #PWR021
U 1 1 5DB82285
P 5700 6000
F 0 "#PWR021" H 5700 5850 50 0001 C CNN
F 1 "+3.3V" H 5715 6173 50 0000 C CNN
F 2 "" H 5700 6000 50 0001 C CNN
F 3 "" H 5700 6000 50 0001 C CNN
1 5700 6000
1 0 0 -1
$EndComp
$Comp
L 74xx_IEEE:74154 U4
U 1 1 5D9910A9
P 6000 7400
F 0 "U4" H 5800 8350 50 0000 C CNN
F 1 "CD74HC154" H 6250 8350 50 0000 C CNN
F 2 "Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm" H 6000 7400 25 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/cd74hc154.pdf" H 6000 7400 25 0001 C CNN
1 6000 7400
1 0 0 -1
$EndComp
Wire Wire Line
6000 6500 6000 6000
Wire Wire Line
6000 6000 5700 6000
Connection ~ 5700 6000
Wire Wire Line
5450 7300 5450 8300
Wire Wire Line
5450 8300 6000 8300
Wire Wire Line
6000 8300 6000 8200
$Comp
L power:GND #PWR022
U 1 1 5DC6C654
P 6000 8300
F 0 "#PWR022" H 6000 8050 50 0001 C CNN
F 1 "GND" H 6005 8127 50 0000 C CNN
F 2 "" H 6000 8300 50 0001 C CNN
F 3 "" H 6000 8300 50 0001 C CNN
1 6000 8300
1 0 0 -1
$EndComp
Connection ~ 6000 8300
$Comp
L Device:R R10
U 1 1 5DC83C87
P 4875 7300
F 0 "R10" H 4925 7250 50 0000 L CNN
F 1 "10k" H 4925 7350 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4805 7300 50 0001 C CNN
F 3 "~" H 4875 7300 50 0001 C CNN
1 4875 7300
1 0 0 -1
$EndComp
Text Label 10500 3950 2 50 ~ 0
CSBIT0
Text Label 10500 3850 2 50 ~ 0
CSBIT1
Text Label 10500 3750 2 50 ~ 0
CSBIT2
Text Label 10500 3650 2 50 ~ 0
CSBIT3
Text Label 10500 3550 2 50 ~ 0
~CSEN
Wire Wire Line
10500 3550 10100 3550
Wire Wire Line
10100 3650 10500 3650
Wire Wire Line
10500 3750 10100 3750
Wire Wire Line
10100 3850 10500 3850
Wire Wire Line
10500 3950 10100 3950
Text Label 1250 3200 0 50 ~ 0
CSBIT0
Text Label 1250 3300 0 50 ~ 0
CSBIT1
Text Label 1250 3400 0 50 ~ 0
CSBIT2
Text Label 1250 3500 0 50 ~ 0
CSBIT3
Wire Wire Line
1250 3500 1800 3500
Wire Wire Line
1250 3200 1800 3200
Wire Wire Line
1800 3300 1250 3300
Wire Wire Line
1250 3400 1800 3400
Text Label 3900 2600 2 50 ~ 0
~CSEN
Wire Wire Line
3400 2600 3900 2600
Text Label 6750 6600 2 50 ~ 0
~CS0
Text Label 6750 6700 2 50 ~ 0
~CS1
Text Label 6750 6800 2 50 ~ 0
~CS2
Text Label 6750 6900 2 50 ~ 0
~CS3
Text Label 6750 7000 2 50 ~ 0
~CS4
Text Label 6750 7100 2 50 ~ 0
~CS5
Text Label 6750 7200 2 50 ~ 0
~CS6
Text Label 6750 7400 2 50 ~ 0
~CS8
Text Label 6750 7500 2 50 ~ 0
~CS9
Text Label 6750 7600 2 50 ~ 0
~CS10
Text Label 6750 7700 2 50 ~ 0
~CS11
Text Label 6750 7800 2 50 ~ 0
~CS12
Text Label 6750 7900 2 50 ~ 0
~CS13
Text Label 6750 8000 2 50 ~ 0
~CS14
Text Label 6750 8100 2 50 ~ 0
~CS15
Wire Wire Line
6750 8100 6550 8100
Wire Wire Line
6550 8000 6750 8000
Wire Wire Line
6550 7800 6750 7800
Wire Wire Line
6750 7700 6550 7700
Wire Wire Line
6550 7600 6750 7600
Wire Wire Line
6750 7500 6550 7500
Wire Wire Line
6550 7400 6750 7400
Wire Wire Line
6750 7300 6550 7300
Wire Wire Line
6550 7200 6750 7200
Wire Wire Line
6750 7100 6550 7100
Wire Wire Line
6550 7000 6750 7000
Wire Wire Line
6750 6900 6550 6900
Wire Wire Line
6550 6800 6750 6800
Wire Wire Line
6750 6700 6550 6700
Wire Wire Line
6550 6600 6750 6600
Wire Wire Line
13250 2750 13550 2750
Wire Wire Line
13250 2150 13550 2150
$Sheet
S 8650 6500 700 400
U 5E08F0E6
F0 "CHIP0" 50
F1 "25.sch" 50
F2 "~CS" I L 8650 6600 50
F3 "SCLK" I R 9350 6700 50
F4 "MOSI" I R 9350 6600 50
F5 "MISO" I R 9350 6800 50
F6 "GND" I L 8650 6800 50
F7 "VCC" I L 8650 6700 50
$EndSheet
Text Label 8400 6600 0 50 ~ 0
~CS0
Text Label 6750 7300 2 50 ~ 0
~CS7
$Comp
L Connector:TestPoint TP1
U 1 1 5D6EF39F
P 14450 2150
F 0 "TP1" V 14404 2338 50 0000 L CNN
F 1 "STAT" V 14495 2338 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 14650 2150 50 0001 C CNN
F 3 "~" H 14650 2150 50 0001 C CNN
1 14450 2150
-1 0 0 1
$EndComp
Wire Wire Line
14450 2150 14350 2150
Wire Wire Line
14650 1950 14550 1950
Wire Wire Line
14650 1950 14650 2150
Connection ~ 14550 1950
$Comp
L Device:R R15
U 1 1 5E26AB2E
P 1900 7000
F 0 "R15" H 2050 7050 50 0000 C CNN
F 1 "DNP" H 2050 6950 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1830 7000 50 0001 C CNN
F 3 "~" H 1900 7000 50 0001 C CNN
1 1900 7000
-1 0 0 1
$EndComp
Wire Wire Line
2850 7200 2850 7150
$Comp
L Device:LED D4
U 1 1 5D829628
P 2850 7400
F 0 "D4" V 2889 7282 50 0000 R CNN
F 1 "USB" V 2798 7282 50 0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2850 7400 50 0001 C CNN
F 3 "~" H 2850 7400 50 0001 C CNN
1 2850 7400
0 -1 -1 0
$EndComp
$Comp
L Device:R R14
U 1 1 5E327EB0
P 2850 7000
F 0 "R14" H 3000 7050 50 0000 C CNN
F 1 "DNP" H 3000 6950 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2780 7000 50 0001 C CNN
F 3 "~" H 2850 7000 50 0001 C CNN
1 2850 7000
-1 0 0 1
$EndComp
Wire Wire Line
1900 6850 1900 6650
Wire Wire Line
2200 6850 2200 6550
Wire Wire Line
1550 6000 1550 6050
Connection ~ 1900 6650
Connection ~ 13500 1850
Wire Wire Line
13500 1850 13550 1850
Wire Wire Line
13500 1800 13500 1850
Wire Wire Line
12300 1950 13300 1950
Wire Wire Line
13300 1800 13300 1950
Connection ~ 13300 1950
Wire Wire Line
13300 1950 13550 1950
$Comp
L Device:C C15
U 1 1 5E406D06
P 12700 2200
F 0 "C15" H 12815 2246 50 0000 L CNN
F 1 "100n" H 12815 2155 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 12738 2050 50 0001 C CNN
F 3 "~" H 12700 2200 50 0001 C CNN
1 12700 2200
1 0 0 -1
$EndComp
$Comp
L Device:C C14
U 1 1 5E407CE1
P 12300 2200
F 0 "C14" H 12415 2246 50 0000 L CNN
F 1 "100n" H 12415 2155 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 12338 2050 50 0001 C CNN
F 3 "~" H 12300 2200 50 0001 C CNN
1 12300 2200
1 0 0 -1
$EndComp
Connection ~ 12300 1950
Wire Wire Line
12300 2050 12300 1950
Wire Wire Line
12700 1850 12700 2050
Connection ~ 12700 1850
Wire Wire Line
12700 1850 13500 1850
Wire Wire Line
12700 1750 12700 1850
Wire Wire Line
12700 2350 12700 2750
Wire Wire Line
12700 2750 13250 2750
Connection ~ 13250 2750
Wire Wire Line
12300 2350 12300 2750
Wire Wire Line
12300 2750 12700 2750
Connection ~ 12700 2750
Wire Wire Line
1550 5650 1550 5700
Wire Wire Line
2550 7200 2550 7150
Wire Wire Line
2850 7200 2550 7200
Wire Wire Line
2550 6850 2550 6650
Wire Wire Line
2550 6650 1900 6650
Wire Wire Line
2850 6850 2850 6550
Connection ~ 2850 7200
Wire Wire Line
2200 7200 1900 7200
Wire Wire Line
2200 7200 2200 7150
Connection ~ 1900 7200
Wire Wire Line
1900 7200 1900 7150
Text Label 8400 6700 0 50 ~ 0
CVCC
Text Label 8400 6800 0 50 ~ 0
CGND
Wire Wire Line
8400 6700 8650 6700
Wire Wire Line
8400 6600 8650 6600
Wire Wire Line
8650 6800 8400 6800
Text Label 9750 6600 2 50 ~ 0
SPI_MOSI
Text Label 9750 6700 2 50 ~ 0
SPI_SCLK
Text Label 9750 6800 2 50 ~ 0
SPI_MISO
Wire Wire Line
9750 6800 9350 6800
Wire Wire Line
9350 6700 9750 6700
Wire Wire Line
9750 6600 9350 6600
Text Label 10000 10450 1 50 ~ 0
CVCC
$Comp
L power:+3.3V #PWR023
U 1 1 5E66E5FF
P 9700 10700
F 0 "#PWR023" H 9700 10550 50 0001 C CNN
F 1 "+3.3V" H 9715 10873 50 0000 C CNN
F 2 "" H 9700 10700 50 0001 C CNN
F 3 "" H 9700 10700 50 0001 C CNN
1 9700 10700
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR024
U 1 1 5E67C28E
P 10000 10800
F 0 "#PWR024" H 10000 10550 50 0001 C CNN
F 1 "GND" H 10005 10627 50 0000 C CNN
F 2 "" H 10000 10800 50 0001 C CNN
F 3 "" H 10000 10800 50 0001 C CNN
1 10000 10800
1 0 0 -1
$EndComp
$Sheet
S 10250 6500 700 400
U 5E6B2F93
F0 "CHIP1" 50
F1 "25.sch" 50
F2 "~CS" I L 10250 6600 50
F3 "SCLK" I R 10950 6700 50
F4 "MOSI" I R 10950 6600 50
F5 "MISO" I R 10950 6800 50
F6 "GND" I L 10250 6800 50
F7 "VCC" I L 10250 6700 50
$EndSheet
Text Label 10000 6600 0 50 ~ 0
~CS1
Text Label 10000 6700 0 50 ~ 0
CVCC
Text Label 10000 6800 0 50 ~ 0
CGND
Wire Wire Line
10000 6700 10250 6700
Wire Wire Line
10000 6600 10250 6600
Wire Wire Line
10250 6800 10000 6800
Text Label 11350 6600 2 50 ~ 0
SPI_MOSI
Text Label 11350 6700 2 50 ~ 0
SPI_SCLK
Text Label 11350 6800 2 50 ~ 0
SPI_MISO
Wire Wire Line
11350 6800 10950 6800
Wire Wire Line
10950 6700 11350 6700
Wire Wire Line
11350 6600 10950 6600
$Sheet
S 8650 7200 700 400
U 5E6CD70C
F0 "CHIP2" 50
F1 "25.sch" 50
F2 "~CS" I L 8650 7300 50
F3 "SCLK" I R 9350 7400 50
F4 "MOSI" I R 9350 7300 50
F5 "MISO" I R 9350 7500 50
F6 "GND" I L 8650 7500 50
F7 "VCC" I L 8650 7400 50
$EndSheet
Text Label 8400 7300 0 50 ~ 0
~CS2
Text Label 8400 7400 0 50 ~ 0
CVCC
Text Label 8400 7500 0 50 ~ 0
CGND
Wire Wire Line
8400 7400 8650 7400
Wire Wire Line
8400 7300 8650 7300
Wire Wire Line
8650 7500 8400 7500
Text Label 9750 7300 2 50 ~ 0
SPI_MOSI
Text Label 9750 7400 2 50 ~ 0
SPI_SCLK
Text Label 9750 7500 2 50 ~ 0
SPI_MISO
Wire Wire Line
9750 7500 9350 7500
Wire Wire Line
9350 7400 9750 7400
Wire Wire Line
9750 7300 9350 7300
$Sheet
S 10250 7200 700 400
U 5E6DA750
F0 "CHIP3" 50
F1 "25.sch" 50
F2 "~CS" I L 10250 7300 50
F3 "SCLK" I R 10950 7400 50
F4 "MOSI" I R 10950 7300 50
F5 "MISO" I R 10950 7500 50
F6 "GND" I L 10250 7500 50
F7 "VCC" I L 10250 7400 50
$EndSheet
Text Label 10000 7300 0 50 ~ 0
~CS3
Text Label 10000 7400 0 50 ~ 0
CVCC
Text Label 10000 7500 0 50 ~ 0
CGND
Wire Wire Line
10000 7400 10250 7400
Wire Wire Line
10000 7300 10250 7300
Wire Wire Line
10250 7500 10000 7500
Text Label 11350 7300 2 50 ~ 0
SPI_MOSI
Text Label 11350 7400 2 50 ~ 0
SPI_SCLK
Text Label 11350 7500 2 50 ~ 0
SPI_MISO
Wire Wire Line
11350 7500 10950 7500
Wire Wire Line
10950 7400 11350 7400
Wire Wire Line
11350 7300 10950 7300
$Sheet
S 8650 7850 700 400
U 5E6E82DE
F0 "CHIP4" 50
F1 "25.sch" 50
F2 "~CS" I L 8650 7950 50
F3 "SCLK" I R 9350 8050 50
F4 "MOSI" I R 9350 7950 50
F5 "MISO" I R 9350 8150 50
F6 "GND" I L 8650 8150 50
F7 "VCC" I L 8650 8050 50
$EndSheet
Text Label 8400 7950 0 50 ~ 0
~CS4
Text Label 8400 8050 0 50 ~ 0
CVCC
Text Label 8400 8150 0 50 ~ 0
CGND
Wire Wire Line
8400 8050 8650 8050
Wire Wire Line
8400 7950 8650 7950
Wire Wire Line
8650 8150 8400 8150
Text Label 9750 7950 2 50 ~ 0
SPI_MOSI
Text Label 9750 8050 2 50 ~ 0
SPI_SCLK
Text Label 9750 8150 2 50 ~ 0
SPI_MISO
Wire Wire Line
9750 8150 9350 8150
Wire Wire Line
9350 8050 9750 8050
Wire Wire Line
9750 7950 9350 7950
$Sheet
S 10250 7850 700 400
U 5E6F68FB
F0 "CHIP5" 50
F1 "25.sch" 50
F2 "~CS" I L 10250 7950 50
F3 "SCLK" I R 10950 8050 50
F4 "MOSI" I R 10950 7950 50
F5 "MISO" I R 10950 8150 50
F6 "GND" I L 10250 8150 50
F7 "VCC" I L 10250 8050 50
$EndSheet
Text Label 10000 7950 0 50 ~ 0
~CS5
Text Label 10000 8050 0 50 ~ 0
CVCC
Text Label 10000 8150 0 50 ~ 0
CGND
Wire Wire Line
10000 8050 10250 8050
Wire Wire Line
10000 7950 10250 7950
Wire Wire Line
10250 8150 10000 8150
Text Label 11350 7950 2 50 ~ 0
SPI_MOSI
Text Label 11350 8050 2 50 ~ 0
SPI_SCLK
Text Label 11350 8150 2 50 ~ 0
SPI_MISO
Wire Wire Line
11350 8150 10950 8150
Wire Wire Line
10950 8050 11350 8050
Wire Wire Line
11350 7950 10950 7950
$Sheet
S 8650 8500 700 400
U 5E7061AD
F0 "CHIP6" 50
F1 "25.sch" 50
F2 "~CS" I L 8650 8600 50
F3 "SCLK" I R 9350 8700 50
F4 "MOSI" I R 9350 8600 50
F5 "MISO" I R 9350 8800 50
F6 "GND" I L 8650 8800 50
F7 "VCC" I L 8650 8700 50
$EndSheet
Text Label 8400 8600 0 50 ~ 0
~CS6
Text Label 8400 8700 0 50 ~ 0
CVCC
Text Label 8400 8800 0 50 ~ 0
CGND
Wire Wire Line
8400 8700 8650 8700
Wire Wire Line
8400 8600 8650 8600
Wire Wire Line
8650 8800 8400 8800
Text Label 9750 8600 2 50 ~ 0
SPI_MOSI
Text Label 9750 8700 2 50 ~ 0
SPI_SCLK
Text Label 9750 8800 2 50 ~ 0
SPI_MISO
Wire Wire Line
9750 8800 9350 8800
Wire Wire Line
9350 8700 9750 8700
Wire Wire Line
9750 8600 9350 8600
$Sheet
S 10250 8500 700 400
U 5E71622F
F0 "CHIP7" 50
F1 "25.sch" 50
F2 "~CS" I L 10250 8600 50
F3 "SCLK" I R 10950 8700 50
F4 "MOSI" I R 10950 8600 50
F5 "MISO" I R 10950 8800 50
F6 "GND" I L 10250 8800 50
F7 "VCC" I L 10250 8700 50
$EndSheet
Text Label 10000 8600 0 50 ~ 0
~CS7
Text Label 10000 8700 0 50 ~ 0
CVCC
Text Label 10000 8800 0 50 ~ 0
CGND
Wire Wire Line
10000 8700 10250 8700
Wire Wire Line
10000 8600 10250 8600
Wire Wire Line
10250 8800 10000 8800
Text Label 11350 8600 2 50 ~ 0
SPI_MOSI
Text Label 11350 8700 2 50 ~ 0
SPI_SCLK
Text Label 11350 8800 2 50 ~ 0
SPI_MISO
Wire Wire Line
11350 8800 10950 8800
Wire Wire Line
10950 8700 11350 8700
Wire Wire Line
11350 8600 10950 8600
$Comp
L Device:R R11
U 1 1 5E7DDB7C
P 9150 10500
F 0 "R11" H 9220 10546 50 0000 L CNN
F 1 "10k" H 9220 10455 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9080 10500 50 0001 C CNN
F 3 "~" H 9150 10500 50 0001 C CNN
1 9150 10500
1 0 0 -1
$EndComp
Wire Wire Line
13250 2150 13250 2750
Text Label 8450 10300 0 50 ~ 0
CHIP_PWR
Wire Wire Line
8450 10300 8950 10300
Text Label 10500 3450 2 50 ~ 0
CHIP_PWR
Wire Wire Line
10500 3450 10100 3450
Text Label 3900 2700 2 50 ~ 0
CHIP_PWR
Wire Wire Line
3900 2700 3400 2700
$Comp
L Connector:TestPoint TP8
U 1 1 5E9C36D8
P 8950 10400
F 0 "TP8" H 9008 10518 50 0000 L CNN
F 1 "CHIP_PWR" H 9008 10427 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 9150 10400 50 0001 C CNN
F 3 "~" H 9150 10400 50 0001 C CNN
1 8950 10400
-1 0 0 1
$EndComp
Wire Wire Line
8950 10300 8950 10400
$Comp
L Transistor_FET:BSS84 Q2
U 1 1 5E9ED263
P 9450 10300
F 0 "Q2" H 9656 10346 50 0000 L CNN
F 1 "BSS84" H 9656 10255 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9650 10225 50 0001 L CIN
F 3 "http://assets.nexperia.com/documents/data-sheet/BSS84.pdf" H 9450 10300 50 0001 L CNN
1 9450 10300
1 0 0 -1
$EndComp
$Comp
L Transistor_FET:BSS84 Q1
U 1 1 5E9F28FA
P 2250 6050
F 0 "Q1" H 2456 6096 50 0000 L CNN
F 1 "BSS84" H 2456 6005 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2450 5975 50 0001 L CIN
F 3 "http://assets.nexperia.com/documents/data-sheet/BSS84.pdf" H 2250 6050 50 0001 L CNN
1 2250 6050
1 0 0 -1
$EndComp
Wire Wire Line
10000 10550 10000 10800
Text Label 10000 10550 3 50 ~ 0
CGND
Wire Wire Line
9150 10350 9150 10300
Wire Wire Line
9150 10300 9250 10300
Wire Wire Line
9150 10650 9150 10700
Wire Wire Line
9150 10700 9550 10700
Wire Wire Line
9550 10700 9550 10500
Wire Wire Line
8950 10300 9150 10300
Connection ~ 8950 10300
Connection ~ 9150 10300
Text Notes 8350 9800 0 50 ~ 0
High-Side switch so we don't have to turn off the\nentire ground plane on the back.
$Comp
L Connector:TestPoint TP9
U 1 1 5EAEE5B5
P 10050 10000
F 0 "TP9" H 10108 10118 50 0000 L CNN
F 1 "CVCC" H 10108 10027 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 10250 10000 50 0001 C CNN
F 3 "~" H 10250 10000 50 0001 C CNN
1 10050 10000
0 1 1 0
$EndComp
Wire Wire Line
9550 10000 9550 10100
Wire Wire Line
10000 10000 10000 10450
Wire Wire Line
9550 10000 10000 10000
Wire Wire Line
10050 10000 10000 10000
Connection ~ 10000 10000
Wire Wire Line
9700 10700 9550 10700
Connection ~ 9550 10700
Wire Wire Line
1900 7250 1900 7200
Wire Wire Line
2850 7250 2850 7200
Wire Wire Line
950 6050 1550 6050
Wire Wire Line
1900 7550 1900 7650
Wire Wire Line
2850 7650 2850 7550
$Comp
L power:GND #PWR020
U 1 1 5ED2AD16
P 2850 7750
F 0 "#PWR020" H 2850 7500 50 0001 C CNN
F 1 "GND" H 2855 7577 50 0000 C CNN
F 2 "" H 2850 7750 50 0001 C CNN
F 3 "" H 2850 7750 50 0001 C CNN
1 2850 7750
1 0 0 -1
$EndComp
Wire Wire Line
1900 7650 2850 7650
Wire Wire Line
2850 7750 2850 7650
Connection ~ 2850 7650
Wire Wire Line
2200 6550 2850 6550
Connection ~ 2850 6550
Wire Wire Line
2050 6050 1900 6050
Connection ~ 1550 6050
Connection ~ 1550 5650
Wire Wire Line
2350 5850 2850 5850
Wire Wire Line
2350 6250 2000 6250
Wire Wire Line
2000 6250 2000 5650
Wire Wire Line
1550 5650 2000 5650
Wire Wire Line
2850 5850 2850 6550
Wire Wire Line
1900 6050 1900 6650
Connection ~ 1900 6050
Wire Wire Line
1900 6050 1550 6050
Wire Wire Line
14800 8600 14400 8600
Wire Wire Line
14400 8700 14800 8700
Wire Wire Line
14800 8800 14400 8800
Text Label 14800 8800 2 50 ~ 0
SPI_MISO
Text Label 14800 8700 2 50 ~ 0
SPI_SCLK
Text Label 14800 8600 2 50 ~ 0
SPI_MOSI
Wire Wire Line
13700 8800 13450 8800
Wire Wire Line
13450 8600 13700 8600
Wire Wire Line
13450 8700 13700 8700
Text Label 13450 8800 0 50 ~ 0
CGND
Text Label 13450 8700 0 50 ~ 0
CVCC
Text Label 13450 8600 0 50 ~ 0
~CS15
$Sheet
S 13700 8500 700 400
U 5D73BD8B
F0 "CHIP15" 50
F1 "25.sch" 50
F2 "~CS" I L 13700 8600 50
F3 "SCLK" I R 14400 8700 50
F4 "MOSI" I R 14400 8600 50
F5 "MISO" I R 14400 8800 50
F6 "GND" I L 13700 8800 50
F7 "VCC" I L 13700 8700 50
$EndSheet
Wire Wire Line
13200 8600 12800 8600
Wire Wire Line
12800 8700 13200 8700
Wire Wire Line
13200 8800 12800 8800
Text Label 13200 8800 2 50 ~ 0
SPI_MISO
Text Label 13200 8700 2 50 ~ 0
SPI_SCLK
Text Label 13200 8600 2 50 ~ 0
SPI_MOSI
Wire Wire Line
12100 8800 11850 8800
Wire Wire Line
11850 8600 12100 8600
Wire Wire Line
11850 8700 12100 8700
Text Label 11850 8800 0 50 ~ 0
CGND
Text Label 11850 8700 0 50 ~ 0
CVCC
Text Label 11850 8600 0 50 ~ 0
~CS14
$Sheet
S 12100 8500 700 400
U 5D73BD77
F0 "CHIP14" 50
F1 "25.sch" 50
F2 "~CS" I L 12100 8600 50
F3 "SCLK" I R 12800 8700 50
F4 "MOSI" I R 12800 8600 50
F5 "MISO" I R 12800 8800 50
F6 "GND" I L 12100 8800 50
F7 "VCC" I L 12100 8700 50
$EndSheet
Wire Wire Line
14800 7950 14400 7950
Wire Wire Line
14400 8050 14800 8050
Wire Wire Line
14800 8150 14400 8150
Text Label 14800 8150 2 50 ~ 0
SPI_MISO
Text Label 14800 8050 2 50 ~ 0
SPI_SCLK
Text Label 14800 7950 2 50 ~ 0
SPI_MOSI
Wire Wire Line
13700 8150 13450 8150
Wire Wire Line
13450 7950 13700 7950
Wire Wire Line
13450 8050 13700 8050
Text Label 13450 8150 0 50 ~ 0
CGND
Text Label 13450 8050 0 50 ~ 0
CVCC
Text Label 13450 7950 0 50 ~ 0
~CS13
$Sheet
S 13700 7850 700 400
U 5D73BD63
F0 "CHIP13" 50
F1 "25.sch" 50
F2 "~CS" I L 13700 7950 50
F3 "SCLK" I R 14400 8050 50
F4 "MOSI" I R 14400 7950 50
F5 "MISO" I R 14400 8150 50
F6 "GND" I L 13700 8150 50
F7 "VCC" I L 13700 8050 50
$EndSheet
Wire Wire Line
13200 7950 12800 7950
Wire Wire Line
12800 8050 13200 8050
Wire Wire Line
13200 8150 12800 8150
Text Label 13200 8150 2 50 ~ 0
SPI_MISO
Text Label 13200 8050 2 50 ~ 0
SPI_SCLK
Text Label 13200 7950 2 50 ~ 0
SPI_MOSI
Wire Wire Line
12100 8150 11850 8150
Wire Wire Line
11850 7950 12100 7950
Wire Wire Line
11850 8050 12100 8050
Text Label 11850 8150 0 50 ~ 0
CGND
Text Label 11850 8050 0 50 ~ 0
CVCC
Text Label 11850 7950 0 50 ~ 0
~CS12
$Sheet
S 12100 7850 700 400
U 5D73BD4F
F0 "CHIP12" 50
F1 "25.sch" 50
F2 "~CS" I L 12100 7950 50
F3 "SCLK" I R 12800 8050 50
F4 "MOSI" I R 12800 7950 50
F5 "MISO" I R 12800 8150 50
F6 "GND" I L 12100 8150 50
F7 "VCC" I L 12100 8050 50
$EndSheet
Wire Wire Line
14800 7300 14400 7300
Wire Wire Line
14400 7400 14800 7400
Wire Wire Line
14800 7500 14400 7500
Text Label 14800 7500 2 50 ~ 0
SPI_MISO
Text Label 14800 7400 2 50 ~ 0
SPI_SCLK
Text Label 14800 7300 2 50 ~ 0
SPI_MOSI
Wire Wire Line
13700 7500 13450 7500
Wire Wire Line
13450 7300 13700 7300
Wire Wire Line
13450 7400 13700 7400
Text Label 13450 7500 0 50 ~ 0
CGND
Text Label 13450 7400 0 50 ~ 0
CVCC
Text Label 13450 7300 0 50 ~ 0
~CS11
$Sheet
S 13700 7200 700 400
U 5D73BD3B
F0 "CHIP11" 50
F1 "25.sch" 50
F2 "~CS" I L 13700 7300 50
F3 "SCLK" I R 14400 7400 50
F4 "MOSI" I R 14400 7300 50
F5 "MISO" I R 14400 7500 50
F6 "GND" I L 13700 7500 50
F7 "VCC" I L 13700 7400 50
$EndSheet
Wire Wire Line
13200 7300 12800 7300
Wire Wire Line
12800 7400 13200 7400
Wire Wire Line
13200 7500 12800 7500
Text Label 13200 7500 2 50 ~ 0
SPI_MISO
Text Label 13200 7400 2 50 ~ 0
SPI_SCLK
Text Label 13200 7300 2 50 ~ 0
SPI_MOSI
Wire Wire Line
12100 7500 11850 7500
Wire Wire Line
11850 7300 12100 7300
Wire Wire Line
11850 7400 12100 7400
Text Label 11850 7500 0 50 ~ 0
CGND
Text Label 11850 7400 0 50 ~ 0
CVCC
Text Label 11850 7300 0 50 ~ 0
~CS10
$Sheet
S 12100 7200 700 400
U 5D73BD27
F0 "CHIP10" 50
F1 "25.sch" 50
F2 "~CS" I L 12100 7300 50
F3 "SCLK" I R 12800 7400 50
F4 "MOSI" I R 12800 7300 50
F5 "MISO" I R 12800 7500 50
F6 "GND" I L 12100 7500 50
F7 "VCC" I L 12100 7400 50
$EndSheet
Wire Wire Line
14800 6600 14400 6600
Wire Wire Line
14400 6700 14800 6700
Wire Wire Line
14800 6800 14400 6800
Text Label 14800 6800 2 50 ~ 0
SPI_MISO
Text Label 14800 6700 2 50 ~ 0
SPI_SCLK
Text Label 14800 6600 2 50 ~ 0
SPI_MOSI
Wire Wire Line
13700 6800 13450 6800
Wire Wire Line
13450 6600 13700 6600
Wire Wire Line
13450 6700 13700 6700
Text Label 13450 6800 0 50 ~ 0
CGND
Text Label 13450 6700 0 50 ~ 0
CVCC
Text Label 13450 6600 0 50 ~ 0
~CS9
$Sheet
S 13700 6500 700 400
U 5D73BD13
F0 "CHIP9" 50
F1 "25.sch" 50
F2 "~CS" I L 13700 6600 50
F3 "SCLK" I R 14400 6700 50
F4 "MOSI" I R 14400 6600 50
F5 "MISO" I R 14400 6800 50
F6 "GND" I L 13700 6800 50
F7 "VCC" I L 13700 6700 50
$EndSheet
Wire Wire Line
13200 6600 12800 6600
Wire Wire Line
12800 6700 13200 6700
Wire Wire Line
13200 6800 12800 6800
Text Label 13200 6800 2 50 ~ 0
SPI_MISO
Text Label 13200 6700 2 50 ~ 0
SPI_SCLK
Text Label 13200 6600 2 50 ~ 0
SPI_MOSI
Wire Wire Line
12100 6800 11850 6800
Wire Wire Line
11850 6600 12100 6600
Wire Wire Line
11850 6700 12100 6700
Text Label 11850 6800 0 50 ~ 0
CGND
Text Label 11850 6700 0 50 ~ 0
CVCC
Text Label 11850 6600 0 50 ~ 0
~CS8
$Sheet
S 12100 6500 700 400
U 5D73BCFF
F0 "CHIP8" 50
F1 "25.sch" 50
F2 "~CS" I L 12100 6600 50
F3 "SCLK" I R 12800 6700 50
F4 "MOSI" I R 12800 6600 50
F5 "MISO" I R 12800 6800 50
F6 "GND" I L 12100 6800 50
F7 "VCC" I L 12100 6700 50
$EndSheet
Wire Wire Line
10900 4850 11400 4850
Text Label 11400 4850 2 50 ~ 0
SPI_MISO
Wire Wire Line
10900 4550 11400 4550
Text Label 11400 4550 2 50 ~ 0
SPI_MOSI
Text Label 11400 4250 2 50 ~ 0
SPI_SCLK
Wire Wire Line
11400 4250 10900 4250
$Comp
L Connector:TestPoint TP10
U 1 1 5D821ECE
P 10900 4250
F 0 "TP10" H 10958 4368 50 0000 L CNN
F 1 "SCLK" H 10958 4277 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 11100 4250 50 0001 C CNN
F 3 "~" H 11100 4250 50 0001 C CNN
1 10900 4250
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint TP11
U 1 1 5D862522
P 10900 4550
F 0 "TP11" H 10958 4668 50 0000 L CNN
F 1 "MOSI" H 10958 4577 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 11100 4550 50 0001 C CNN
F 3 "~" H 11100 4550 50 0001 C CNN
1 10900 4550
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint TP12
U 1 1 5D8BD5A1
P 10900 4850
F 0 "TP12" H 10958 4968 50 0000 L CNN
F 1 "MISO" H 10958 4877 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 11100 4850 50 0001 C CNN
F 3 "~" H 11100 4850 50 0001 C CNN
1 10900 4850
0 -1 -1 0
$EndComp
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 5D87357A
P 10000 10000
F 0 "#FLG0102" H 10000 10075 50 0001 C CNN
F 1 "PWR_FLAG" H 10000 10173 50 0000 C CNN
F 2 "" H 10000 10000 50 0001 C CNN
F 3 "~" H 10000 10000 50 0001 C CNN
1 10000 10000
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 5D88DEE8
P 7100 7900
F 0 "#FLG0103" H 7100 7975 50 0001 C CNN
F 1 "PWR_FLAG" H 7100 8073 50 0000 C CNN
F 2 "" H 7100 7900 50 0001 C CNN
F 3 "~" H 7100 7900 50 0001 C CNN
1 7100 7900
1 0 0 -1
$EndComp
Wire Wire Line
6550 7900 7100 7900
Text Notes 7150 7900 0 25 ~ 0
FIXME: CS13 is wrongly marked as\nan input to the decoder, so I placed\na power flag to keep DRC quiet.
Wire Wire Line
4350 6600 5450 6600
$Comp
L Device:R R17
U 1 1 5DA89E23
P 5450 6300
F 0 "R17" H 5500 6350 50 0000 L CNN
F 1 "10k" H 5500 6250 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5380 6300 50 0001 C CNN
F 3 "~" H 5450 6300 50 0001 C CNN
1 5450 6300
1 0 0 -1
$EndComp
Wire Wire Line
5450 6450 5450 6600
Connection ~ 5450 6600
Wire Wire Line
5450 6150 5450 6000
Connection ~ 5450 6000
Wire Wire Line
5450 6000 5700 6000
Wire Wire Line
4350 6800 4950 6800
Wire Wire Line
4350 6900 4700 6900
$Comp
L Device:R R16
U 1 1 5DADFCBE
P 5200 6300
F 0 "R16" H 5250 6350 50 0000 L CNN
F 1 "10k" H 5250 6250 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5130 6300 50 0001 C CNN
F 3 "~" H 5200 6300 50 0001 C CNN
1 5200 6300
1 0 0 -1
$EndComp
Wire Wire Line
4350 6700 5200 6700
Wire Wire Line
5200 6450 5200 6700
Connection ~ 5200 6700
Wire Wire Line
5200 6700 5450 6700
Wire Wire Line
5200 6150 5200 6000
Connection ~ 5200 6000
Wire Wire Line
5200 6000 5450 6000
Text Label 4350 7450 0 50 ~ 0
~CSEN
Wire Wire Line
5175 7100 5450 7100
$Comp
L power:+3.3V #PWR025
U 1 1 5DBC7191
P 4875 7150
F 0 "#PWR025" H 4875 7000 50 0001 C CNN
F 1 "+3.3V" H 4875 7300 50 0000 C CNN
F 2 "" H 4875 7150 50 0001 C CNN
F 3 "" H 4875 7150 50 0001 C CNN
1 4875 7150
1 0 0 -1
$EndComp
$Comp
L Device:R R13
U 1 1 5DC03440
P 4950 6300
F 0 "R13" H 5000 6350 50 0000 L CNN
F 1 "10k" H 5000 6250 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4880 6300 50 0001 C CNN
F 3 "~" H 4950 6300 50 0001 C CNN
1 4950 6300
1 0 0 -1
$EndComp
$Comp
L Device:R R12
U 1 1 5DC204B4
P 4700 6300
F 0 "R12" H 4750 6350 50 0000 L CNN
F 1 "10k" H 4750 6250 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4630 6300 50 0001 C CNN
F 3 "~" H 4700 6300 50 0001 C CNN
1 4700 6300
1 0 0 -1
$EndComp
Wire Wire Line
4950 6450 4950 6800
Connection ~ 4950 6800
Wire Wire Line
4950 6800 5450 6800
Wire Wire Line
4950 6000 4950 6150
Wire Wire Line
4950 6000 5200 6000
Wire Wire Line
4950 6000 4700 6000
Wire Wire Line
4700 6000 4700 6150
Connection ~ 4950 6000
Wire Wire Line
4700 6450 4700 6900
Connection ~ 4700 6900
Wire Wire Line
4700 6900 5450 6900
Wire Wire Line
5175 7100 5175 7450
Wire Wire Line
4875 7450 5175 7450
Wire Wire Line
4350 7450 4875 7450
Connection ~ 4875 7450
$EndSCHEMATC