Module avrd::atxmega128a4u

The module containing the values for the 'atxmega128a4u' microcontroller The AVR ATxmega128A4U microcontroller

Variants

	Pinout	Mcu age	Operating temperature	Operating voltage	Max speed
ATxmega128A4U-AU	QFP-QFN-44	TQFP44	-40°C - 85°C	1.6V - 3.6V	32 MHz
ATxmega128A4U-MH	QFP-QFN-44	VQFN44PW	-40°C - 85°C	1.6V - 3.6V	32 MHz
ATxmega128A4U-CU	BGA-49	VFBGA49	-40°C - 85°C	1.6V - 3.6V	32 MHz
ATxmega128A4U-AN	QFP-QFN-44	TQFP44	-40°C - 105°C	1.6V - 3.6V	32 MHz
ATxmega128A4U-M7	QFP-QFN-44	VQFN44PW	-40°C - 105°C	1.6V - 3.6V	32 MHz

Modules

ac_hysmode	Hysteresis mode selection
ac_intlvl	Interrupt level
ac_intmode	Interrupt mode
ac_muxneg	Negative input multiplexer selection
ac_muxpos	Positive input multiplexer selection
ac_wintlvl	Window interrupt level
ac_wintmode	Windows interrupt mode
ac_wstate	Window mode state
adc_ch_gain	Gain factor
adc_ch_inputmode	Input mode
adc_ch_intlvl	Interrupt level
adc_ch_intmode	Interupt mode
adc_ch_muxint	Internal input multiplexer selections
adc_ch_muxneg	Negative input multiplexer selection
adc_ch_muxpos	Positive input multiplexer selection
adc_currlimit	Current Limitation Mode
adc_dmasel	DMA request selection
adc_evact	Event action selection
adc_evsel	Event channel input selection
adc_prescaler	Clock prescaler
adc_refsel	Voltage reference selection
adc_resolution	Conversion result resolution
adc_sweep	Channel sweep selection
aes_intlvl	Interrupt level
awex_fdact	Fault Detect Action
bod	BOD operation
bodact	BOD operation
bodlvl	Brownout Detection Voltage Level
bootrst	Boot Loader Section Reset Vector
ccp	CCP signatures
clk_psadiv	Prescaler A Division Factor
clk_psbcdiv	Prescaler B and C Division Factor
clk_rtcsrc	RTC Clock Source
clk_sclksel	System Clock Selection
clk_usbpsdiv	USB Prescaler Division Factor
clk_usbsrc	USB Clock Source
crc_reset	Reset
crc_source	Input Source
dac_chsel	Output channel selection
dac_evsel	Event channel selection
dac_refsel	Reference voltage selection
dma_ch_burstlen	Burst mode
dma_ch_destdir	Destination adressing mode
dma_ch_destreload	Destination adress reload mode
dma_ch_errintlvl	Interrupt level
dma_ch_srcdir	Source addressing mode
dma_ch_srcreload	Source address reload mode
dma_ch_trigsrc	Transfer trigger source
dma_ch_trnintlvl	Interrupt level
dma_dbufmode	Double buffering mode
dma_primode	Priority mode
evsys_chmux	Event Channel multiplexer input selection
evsys_digfilt	Digital filter coefficient
evsys_qdirm	Quadrature Decoder Index Recognition Mode
fuse_blba	Boot lock bits - application section
fuse_blbat	Boot lock bits - application table section
fuse_blbb	Boot lock bits - boot setcion
fuse_lb	Lock bits
hires_hren	High Resolution Enable
irda_evsel	Event channel selection
nvm_blba	Boot lock bits - application section
nvm_blbat	Boot lock bits - application table section
nvm_blbb	Boot lock bits - boot setcion
nvm_cmd	NVM Command
nvm_eelvl	EEPROM ready interrupt level
nvm_lb	Lock bits
nvm_spmlvl	SPM ready interrupt level
osc_frqrange	Oscillator Frequency Range
osc_pllsrc	PLL Clock Source
osc_rc2mcref	2 MHz DFLL Calibration Reference
osc_rc32mcref	32 MHz DFLL Calibration Reference
osc_xoscsel	External Oscillator Selection and Startup Time
port_int0lvl	Port Interrupt 0 Level
port_int1lvl	Port Interrupt 1 Level
port_isc	Input/Sense Configuration
port_opc	Output/Pull Configuration
portcfg_clkevpin	Clock and Event Output Port
portcfg_clkout	System Clock Output Port
portcfg_clkoutsel	Peripheral Clock Output Select
portcfg_evout	Event Output Port
portcfg_evoutsel	Event Output Select
portcfg_vp02map	Virtual Port Mapping
portcfg_vp13map	Virtual Port Mapping
rtc_compintlvl	Compare Interrupt level
rtc_ovfintlvl	Overflow Interrupt level
rtc_prescaler	Prescaler Factor
sleep_smode	Sleep Mode
spi_intlvl	Interrupt level
spi_mode	SPI Mode
spi_prescaler	Prescaler setting
sut	Start-up Time
tc2_bytem	Byte Mode
tc2_clksel	Clock Selection
tc2_cmd	Timer/Counter Command
tc2_cmden	Timer/Counter Command
tc2_hunfintlvl	High Byte Underflow Interrupt Level
tc2_lcmpaintlvl	Low Byte Compare A Interrupt Level
tc2_lcmpbintlvl	Low Byte Compare B Interrupt Level
tc2_lcmpcintlvl	Low Byte Compare C Interrupt Level
tc2_lcmpdintlvl	Low Byte Compare D Interrupt Level
tc2_lunfintlvl	Low Byte Underflow Interrupt Level
tc_bytem	Byte Mode
tc_ccaintlvl	Compare or Capture A Interrupt Level
tc_ccbintlvl	Compare or Capture B Interrupt Level
tc_cccintlvl	Compare or Capture C Interrupt Level
tc_ccdintlvl	Compare or Capture D Interrupt Level
tc_clksel	Clock Selection
tc_cmd	Timer/Counter Command
tc_errintlvl	Error Interrupt Level
tc_evact	Event Action
tc_evsel	Event Selection
tc_ovfintlvl	Overflow Interrupt Level
tc_wgmode	Waveform Generation Mode
toscsel	Timer Oscillator pin location
twi_master_busstate	Master Bus State
twi_master_cmd	Master Command
twi_master_intlvl	Master Interrupt Level
twi_master_timeout	Inactive Timeout
twi_sdahold	SDA Hold Time
twi_slave_cmd	Slave Command
twi_slave_intlvl	Slave Interrupt Level
usart_chsize	Character Size
usart_cmode	Communication Mode
usart_dreintlvl	Data Register Empty Interrupt level
usart_pmode	Parity Mode
usart_rxcintlvl	Receive Complete Interrupt level
usart_txcintlvl	Transmit Complete Interrupt level
usb_ep_bufsize	USB Endpoint Buffersize
usb_ep_type	USB Endpoint Type
usb_intlvl	Interrupt level
wd	Watchdog (Window) Timeout Period
wdp	Watchdog (Window) Timeout Period
wdt_per	Period setting
wdt_wper	Closed window period

Constants

AC0CTRL	Analog Comparator 0 Control.
AC0CURR	Bitfield on register CURRCTRL
AC0MUXCTRL	Analog Comparator 0 MUX Control.
AC1CTRL	Analog Comparator 1 Control.
AC1CURR	Bitfield on register CURRCTRL
AC1MUXCTRL	Analog Comparator 1 MUX Control.
ADCACAL0	ADCA Calibration Byte 0.
ADCACAL1	ADCA Calibration Byte 1.
ADCBCAL0	ADCB Calibration Byte 0.
ADCBCAL1	ADCB Calibration Byte 1.
ADDR	Address Register.
ADDR0	Address Register 0.
ADDR1	Address Register 1.
ADDR2	Address Register 2.
ADDRCTRL	Address Control.
ADDREN	Bitfield on register ADDRMASK
ADDRMASK	Address Mask Register.
AES	Bitfield on register PRGEN
ANAINIT	Analog Startup Delay.
AUXDATA	Auxiliary Data.
AUXDATAH	Auxiliary Data high byte.
AUXDATAL	Auxiliary Data low byte.
AWEXCLOCK	Bitfield on register AWEXLOCK
AWEXDLOCK	Bitfield on register AWEXLOCK
AWEXELOCK	Bitfield on register AWEXLOCK
AWEXFLOCK	Bitfield on register AWEXLOCK
AWEXLOCK	AWEX Lock.
BANDGAP	Bitfield on register REFCTRL
BAUD	Baurd Rate Control Register.
BAUDCTRLA	Baud Rate Control Register A.
BAUDCTRLB	Baud Rate Control Register B.
BLBA	Bitfield on register LOCKBITS
BLBAT	Bitfield on register LOCKBITS
BLBB	Bitfield on register LOCKBITS
BODACT	Bitfield on register FUSEBYTE5
BODLVL	Bitfield on register FUSEBYTE5
BODPD	Bitfield on register FUSEBYTE2
BOOTRST	Bitfield on register FUSEBYTE2
BSCALE	Bitfield on register BAUDCTRLB
BYTEM	Bitfield on register CTRLE
C	Bitfield on register SREG
CAL	Calibration Value.
CAL0	Calibration Byte 0.
CAL1	Calibration Byte 1.
CALA	Calibration Register A.
CALB	Calibration Register B.
CALH	Calibration Value high byte.
CALIB	Bitfield on register CURRCALIB
CALL	Calibration Value low byte.
CCA	Compare or Capture A.
CCABUF	Compare Or Capture A Buffer.
CCABUFH	Compare Or Capture A Buffer high byte.
CCABUFL	Compare Or Capture A Buffer low byte.
CCAH	Compare or Capture A high byte.
CCAL	Compare or Capture A low byte.
CCB	Compare or Capture B.
CCBBUF	Compare Or Capture B Buffer.
CCBBUFH	Compare Or Capture B Buffer high byte.
CCBBUFL	Compare Or Capture B Buffer low byte.
CCBH	Compare or Capture B high byte.
CCBL	Compare or Capture B low byte.
CCC	Compare or Capture C.
CCCBUF	Compare Or Capture C Buffer.
CCCBUFH	Compare Or Capture C Buffer high byte.
CCCBUFL	Compare Or Capture C Buffer low byte.
CCCH	Compare or Capture C high byte.
CCCL	Compare or Capture C low byte.
CCD	Compare or Capture D.
CCDBUF	Compare Or Capture D Buffer.
CCDBUFH	Compare Or Capture D Buffer high byte.
CCDBUFL	Compare Or Capture D Buffer low byte.
CCDH	Compare or Capture D high byte.
CCDL	Compare or Capture D low byte.
CCP	Configuration Change Protection.
CH0CTRL	Channel 0 Control Register.
CH0DATA	Channel 0 Data.
CH0DATAH	Channel 0 Data high byte.
CH0DATAL	Channel 0 Data low byte.
CH0GAINCAL	Gain Calibration.
CH0MUX	Event Channel 0 Multiplexer.
CH0OFFSETCAL	Offset Calibration.
CH0RES	Channel 0 Result.
CH0RESH	Channel 0 Result high byte.
CH0RESL	Channel 0 Result low byte.
CH1CTRL	Channel 1 Control Register.
CH1DATA	Channel 1 Data.
CH1DATAH	Channel 1 Data high byte.
CH1DATAL	Channel 1 Data low byte.
CH1GAINCAL	Gain Calibration.
CH1MUX	Event Channel 1 Multiplexer.
CH1OFFSETCAL	Offset Calibration.
CH1RES	Channel 1 Result.
CH1RESH	Channel 1 Result high byte.
CH1RESL	Channel 1 Result low byte.
CH2CTRL	Channel 2 Control Register.
CH2MUX	Event Channel 2 Multiplexer.
CH2RES	Channel 2 Result.
CH2RESH	Channel 2 Result high byte.
CH2RESL	Channel 2 Result low byte.
CH3CTRL	Channel 3 Control Register.
CH3MUX	Event Channel 3 Multiplexer.
CH3RES	Channel 3 Result.
CH3RESH	Channel 3 Result high byte.
CH3RESL	Channel 3 Result low byte.
CH4CTRL	Channel 4 Control Register.
CH4MUX	Event Channel 4 Multiplexer.
CH5CTRL	Channel 5 Control Register.
CH5MUX	Event Channel 5 Multiplexer.
CH6CTRL	Channel 6 Control Register.
CH6MUX	Event Channel 6 Multiplexer.
CH7CTRL	Channel 7 Control Register.
CH7MUX	Event Channel 7 Multiplexer.
CHECKSUM0	Checksum byte 0.
CHECKSUM1	Checksum byte 1.
CHECKSUM2	Checksum byte 2.
CHECKSUM3	Checksum byte 3.
CHSIZE	Bitfield on register CTRLC
CLK2X	Bitfield on register CTRLB
CLKEVOUT	Clock and Event Out Register.
CLKEVPIN	Bitfield on register CLKEVOUT
CLKOUT	Bitfield on register CLKEVOUT
CLKOUTSEL	Bitfield on register CLKEVOUT
CMD	Command.
CMDEN	Bitfield on register CTRLF
CMODE	Bitfield on register CTRLC
CMP	Compare Value.
CMPH	Compare Value high byte.
CMPL	Compare Value low byte.
CNT	Count.
CNTH	Count high byte.
CNTL	Count low byte.
COMP	Compare Register.
COMP0	Oscillator Compare Register 0.
COMP1	Oscillator Compare Register 1.
COMP2	Oscillator Compare Register 2.
COMPH	Compare Register high byte.
COMPL	Compare Register low byte.
COORDX0	Wafer Coordinate X Byte 0.
COORDX1	Wafer Coordinate X Byte 1.
COORDY0	Wafer Coordinate Y Byte 0.
COORDY1	Wafer Coordinate Y Byte 1.
CTRL	Control Register.
CTRLA	Control Register A.
CTRLB	Control Register B.
CTRLC	Control Register C.
CTRLD	Control Register D.
CTRLE	Control Register E.
CTRLF	Control Register F.
CTRLFCLR	Control Register F Clear.
CTRLFSET	Control Register F Set.
CTRLGCLR	Control Register G Clear.
CTRLGSET	Control Register G Set.
CURRCALIB	Current Source Calibration.
CURRCTRL	Current Source Control.
CURRENT	Bitfield on register CURRCTRL
CURRMODE	Bitfield on register CURRCTRL
DACA0GAINCAL	DACA0 Calibration Byte 1.
DACA0OFFCAL	DACA0 Calibration Byte 0.
DACA1GAINCAL	DACA1 Calibration Byte 1.
DACA1OFFCAL	DACA1 Calibration Byte 0.
DACB0GAINCAL	DACB0 Calibration Byte 1.
DACB0OFFCAL	DACB0 Calibration Byte 0.
DACB1GAINCAL	DACB1 Calibration Byte 1.
DACB1OFFCAL	DACB1 Calibration Byte 0.
DATA	Data Register.
DATA0	Data Register 0.
DATA1	Data Register 1.
DATA2	Data Register 2.
DATAIN	Data Input.
DATAPTR	Data Pointer.
DATAPTRH	Data Pointer high byte.
DATAPTRL	Data Pointer low byte.
DESTADDR0	Channel Destination Address 0.
DESTADDR1	Channel Destination Address 1.
DESTADDR2	Channel Destination Address 2.
DESTDIR	Bitfield on register ADDRCTRL
DESTRELOAD	Bitfield on register ADDRCTRL
DEVID0	Device ID byte 0.
DEVID1	Device ID byte 1.
DEVID2	Device ID byte 2.
DFLLCTRL	DFLL Control Register.
DIR	I/O Port Data Direction.
DIRCLR	I/O Port Data Direction Clear.
DIRSET	I/O Port Data Direction Set.
DIRTGL	I/O Port Data Direction Toggle.
DMA	Bitfield on register PRGEN
DREINTLVL	Bitfield on register CTRLA
DTBOTH	Dead Time Both Sides.
DTBOTHBUF	Dead Time Both Sides Buffer.
DTHS	Dead Time High Side.
DTHSBUF	Dead Time High Side Buffer.
DTHSBUFV	Bitfield on register STATUSSET
DTLS	Dead Time Low Side.
DTLSBUF	Dead Time Low Side Buffer.
DTLSBUFV	Bitfield on register STATUSSET
EESAVE	Bitfield on register FUSEBYTE5
EIND	Extended Indirect Jump.
EPPTR	Endpoint Configuration Table Pointer.
EPPTRH	Endpoint Configuration Table Pointer high byte.
EPPTRL	Endpoint Configuration Table Pointer low byte.
EVACT	Bitfield on register CTRLD
EVCTRL	Event Input Control.
EVDLY	Bitfield on register CTRLD
EVOUT	Bitfield on register CLKEVOUT
EVOUTSEL	Event Output Select.
EVSPLIT	Bitfield on register EVCTRL
EVSYS	Bitfield on register PRGEN
EVSYS0LOCK	Bitfield on register EVSYSLOCK
EVSYS1LOCK	Bitfield on register EVSYSLOCK
EVSYSLOCK	Event System Lock.
FDACT	Bitfield on register FDCTRL
FDCTRL	Fault Detection Control Register.
FDDBD	Bitfield on register FDCTRL
FDEMASK	Fault Detection Event Mask.
FDF	Bitfield on register STATUSSET
FDMODE	Bitfield on register FDCTRL
FIFORP	FIFO Read Pointer Register.
FIFOWP	FIFO Write Pointer Register.
FRAMENUMH	Frame Number High Byte.
FRAMENUML	Frame Number Low Byte.
FRQRANGE	Bitfield on register XOSCCTRL
FUSEBYTE1	Watchdog Configuration.
FUSEBYTE2	Reset Configuration.
FUSEBYTE4	Start-up Configuration.
FUSEBYTE5	EESAVE and BOD Level.
GPIOR0	General Purpose IO Register 0.
GPIOR1	General Purpose IO Register 1.
GPIOR2	General Purpose IO Register 2.
GPIOR3	General Purpose IO Register 3.
GPIOR4	General Purpose IO Register 4.
GPIOR5	General Purpose IO Register 5.
GPIOR6	General Purpose IO Register 6.
GPIOR7	General Purpose IO Register 7.
GPIOR8	General Purpose IO Register 8.
GPIOR9	General Purpose IO Register 9.
GPIORA	General Purpose IO Register 10.
GPIORB	General Purpose IO Register 11.
GPIORC	General Purpose IO Register 12.
GPIORD	General Purpose IO Register 13.
GPIORE	General Purpose IO Register 14.
GPIORF	General Purpose IO Register 15.
H	Bitfield on register SREG
HCMPA	High Byte Compare A.
HCMPB	High Byte Compare B.
HCMPC	High Byte Compare C.
HCMPD	High Byte Compare D.
HCNT	High Byte Count.
HPER	High Byte Period.
HUNFIF	Bitfield on register INTFLAGS
HUNFINTLVL	Bitfield on register INTCTRLA
I	Bitfield on register SREG
IF	Bitfield on register STATUS
IN	I/O port Input.
INT0MASK	Port Interrupt 0 Mask.
INT1MASK	Port Interrupt 1 Mask.
INTCTRL	Interrupt Control Register.
INTCTRLA	Interrupt Control Register A.
INTCTRLB	Interrupt Control Register B.
INTFLAGS	Interrupt Flag Register.
INTFLAGSACLR	Clear Interrupt Flag Register A.
INTFLAGSASET	Set Interrupt Flag Register A.
INTFLAGSBCLR	Clear Interrupt Flag Register B.
INTFLAGSBSET	Set Interrupt Flag Register B.
INTPRI	Interrupt Priority.
JTAGD	Bitfield on register MCUCR
JTAGUID	JTAG User ID.
KEY	AES Key Register.
LB	Bitfield on register LOCKBITS
LCMPA	Low Byte Compare A.
LCMPAIF	Bitfield on register INTFLAGS
LCMPAINTLVL	Bitfield on register INTCTRLB
LCMPB	Low Byte Compare B.
LCMPBIF	Bitfield on register INTFLAGS
LCMPBINTLVL	Bitfield on register INTCTRLB
LCMPC	Low Byte Compare C.
LCMPCIF	Bitfield on register INTFLAGS
LCMPCINTLVL	Bitfield on register INTCTRLB
LCMPD	Low Byte Compare D.
LCMPDIF	Bitfield on register INTFLAGS
LCMPDINTLVL	Bitfield on register INTCTRLB
LCNT	Low Byte Count.
LOCK	Lock register.
LOCKBITS	Lock Bits.
LOTNUM0	Lot Number Byte 0, ASCII.
LOTNUM1	Lot Number Byte 1, ASCII.
LOTNUM2	Lot Number Byte 2, ASCII.
LOTNUM3	Lot Number Byte 3, ASCII.
LOTNUM4	Lot Number Byte 4, ASCII.
LOTNUM5	Lot Number Byte 5, ASCII.
LPER	Low Byte Period.
LUNFIF	Bitfield on register INTFLAGS
LUNFINTLVL	Bitfield on register INTCTRLA
MCUCR	MCU Control.
MPCM	Bitfield on register CTRLB
MPCMASK	Multi-pin Configuration Mask.
MUXCTRL	MUX Control.
MUXINT	Bitfield on register MUXCTRL
N	Bitfield on register SREG
OCDR0	OCD Register 0.
OCDR1	OCD Register 1.
OFFSET	Bitfield on register SCAN
OUT	I/O Port Output.
OUTCLR	I/O Port Output Clear.
OUTOVEN	Output Override Enable.
OUTSET	I/O Port Output Set.
OUTTGL	I/O Port Output Toggle.
PER	Period.
PERBUF	Period Buffer.
PERBUFH	Period Buffer high byte.
PERBUFL	Period Buffer low byte.
PERH	Period high byte.
PERL	Period low byte.
PIN0CTRL	Pin 0 Control Register.
PIN1CTRL	Pin 1 Control Register.
PIN2CTRL	Pin 2 Control Register.
PIN3CTRL	Pin 3 Control Register.
PIN4CTRL	Pin 4 Control Register.
PIN5CTRL	Pin 5 Control Register.
PIN6CTRL	Pin 6 Control Register.
PIN7CTRL	Pin 7 Control Register.
PLLCTRL	PLL Control Register.
PLLDIV	Bitfield on register PLLCTRL
PLLFAC	Bitfield on register PLLCTRL
PLLFDEN	Bitfield on register XOSCFAIL
PLLFDIF	Bitfield on register XOSCFAIL
PLLSRC	Bitfield on register PLLCTRL
PMODE	Bitfield on register CTRLC
PRESCALER	Clock Prescaler.
PRGEN	General Power Reduction.
PRPA	Power Reduction Port A.
PRPB	Power Reduction Port B.
PRPC	Power Reduction Port C.
PRPD	Power Reduction Port D.
PRPE	Power Reduction Port E.
PRPF	Power Reduction Port F.
PSADIV	Bitfield on register PSCTRL
PSBCDIV	Bitfield on register PSCTRL
PSCTRL	Prescaler Control Register.
RAMPD	Ramp D.
RAMPX	Ramp X.
RAMPY	Ramp Y.
RAMPZ	Ramp Z.
RC2MCREF	Bitfield on register DFLLCTRL
RC32KCAL	32.768 kHz Internal Oscillator Calibration Register.
RC32MCREF	Bitfield on register DFLLCTRL
RCOSC2M	RCOSC 2 MHz Calibration Value B.
RCOSC2MA	RCOSC 2 MHz Calibration Value A.
RCOSC32K	RCOSC 32.768 kHz Calibration Value.
RCOSC32M	RCOSC 32 MHz Calibration Value B.
RCOSC32MA	RCOSC 32 MHz Calibration Value A.
REFCTRL	Reference Control.
REFSEL	Bitfield on register REFCTRL
REMAP	I/O Port Pin Remap Register.
REPCNT	Channel Repeat Count.
RES	Channel Result.
RESH	Channel Result high byte.
RESL	Channel Result low byte.
REVID	Revision ID.
RSTDISBL	Bitfield on register FUSEBYTE4
RTC	Bitfield on register PRGEN
RTCCTRL	RTC Control Register.
RTCEN	Bitfield on register RTCCTRL
RTCOUT	Bitfield on register CLKEVOUT
RTCSRC	Bitfield on register RTCCTRL
RXCINTLVL	Bitfield on register CTRLA
RXEN	Bitfield on register CTRLB
RXPLCTRL	IrDA Receiver Pulse Length Control Register.
S	Bitfield on register SREG
SBMODE	Bitfield on register CTRLC
SCAN	Input Channel Scan.
SCANNUM	Bitfield on register SCAN
SPH	Stack Pointer High.
SPL	Stack Pointer Low.
SRCADDR0	Channel Source Address 0.
SRCADDR1	Channel Source Address 1.
SRCADDR2	Channel Source Address 2.
SRCDIR	Bitfield on register ADDRCTRL
SRCRELOAD	Bitfield on register ADDRCTRL
SREG	Status Register.
STARTUPDLYA	Bitfield on register ANAINIT
STARTUPDLYB	Bitfield on register ANAINIT
STATE	AES State Register.
STATUS	Status Register.
STATUSSET	Status Set Register.
STROBE	Event Strobe.
SUT	Bitfield on register FUSEBYTE4
T	Bitfield on register SREG
TC0A	Bitfield on register REMAP
TC0B	Bitfield on register REMAP
TC0C	Bitfield on register REMAP
TC0D	Bitfield on register REMAP
TEMP	Temporary Register For 16-bit Access.
TEMPREF	Bitfield on register REFCTRL
TEMPSENSE0	Temperature Sensor Calibration Byte 0.
TEMPSENSE1	Temperature Sensor Calibration Byte 1.
TOSCSEL	Bitfield on register FUSEBYTE2
TRFCNT	Channel Block Transfer Count.
TRFCNTH	Channel Block Transfer Count high byte.
TRFCNTL	Channel Block Transfer Count low byte.
TRIGSRC	Channel Trigger Source.
TXB8	Bitfield on register CTRLB
TXCINTLVL	Bitfield on register CTRLA
TXEN	Bitfield on register CTRLB
TXPLCTRL	IrDA Transmitter Pulse Length Control Register.
USB	Bitfield on register PRGEN
USBCAL0	USB Calibration Byte 0.
USBCAL1	USB Calibration Byte 1.
USBCTRL	USB Control Register.
USBPSDIV	Bitfield on register USBCTRL
USBRCOSC	USB RCOSC Calibration Value B.
USBRCOSCA	USB RCOSC Calibration Value A.
USBSEN	Bitfield on register USBCTRL
USBSRC	Bitfield on register USBCTRL
V	Bitfield on register SREG
VP0MAP	Bitfield on register VPCTRLA
VP1MAP	Bitfield on register VPCTRLA
VP2MAP	Bitfield on register VPCTRLB
VP3MAP	Bitfield on register VPCTRLB
VPCTRLA	Virtual Port Control Register A.
VPCTRLB	Virtual Port Control Register B.
WAFNUM	Wafer Number.
WDLOCK	Bitfield on register FUSEBYTE4
WDP	Bitfield on register FUSEBYTE1
WDWP	Bitfield on register FUSEBYTE1
WEN	Bitfield on register WINCTRL
WINCTRL	Window Mode Control.
WINTLVL	Bitfield on register WINCTRL
WINTMODE	Bitfield on register WINCTRL
WRCOL	Bitfield on register STATUS
X32KLPM	Bitfield on register XOSCCTRL
XOSCCTRL	External Oscillator Control Register.
XOSCFAIL	Oscillator Failure Detection Register.
XOSCFDEN	Bitfield on register XOSCFAIL
XOSCFDIF	Bitfield on register XOSCFAIL
XOSCPWR	Bitfield on register XOSCCTRL
XOSCSEL	Bitfield on register XOSCCTRL
Z	Bitfield on register SREG