Module avrd::atmega32u4
[−]
[src]
The AVR ATmega32U4 microcontroller
Variants
| Pinout | Mcuage | Operating temperature | Operating voltage | Max speed | |
|---|---|---|---|---|---|
| ATmega32U4-AU | TQFP44 | TQFP44 | -40°C - 85°C | 2.7V - 5.5V | 16 MHz |
| ATmega32U4RC-AU | TQFP44 | TQFP44 | -40°C - 85°C | 2.7V - 5.5V | 16 MHz |
| ATmega32U4-MU | QFN44 | QFN44 | -40°C - 85°C | 2.7V - 5.5V | 16 MHz |
| ATmega32U4RC-MU | QFN44 | QFN44 | -40°C - 85°C | 2.7V - 5.5V | 16 MHz |
Constants
| ACBG |
Bitfield on register ACSR |
| ACD |
Bitfield on register ACSR |
| ACI |
Bitfield on register ACSR |
| ACIC |
Bitfield on register ACSR |
| ACIE |
Bitfield on register ACSR |
| ACIS |
Bitfield on register ACSR |
| ACME |
Bitfield on register ADCSRB |
| ACO |
Bitfield on register ACSR |
| ACSR |
Analog Comparator Control And Status Register. |
| ADATE |
Bitfield on register ADCSRA |
| ADC |
ADC Data Register Bytes. |
| ADC0D |
Bitfield on register DIDR0 |
| ADC10D |
Bitfield on register DIDR2 |
| ADC11D |
Bitfield on register DIDR2 |
| ADC12D |
Bitfield on register DIDR2 |
| ADC13D |
Bitfield on register DIDR2 |
| ADC1D |
Bitfield on register DIDR0 |
| ADC2D |
Bitfield on register DIDR0 |
| ADC3D |
Bitfield on register DIDR0 |
| ADC4D |
Bitfield on register DIDR0 |
| ADC5D |
Bitfield on register DIDR0 |
| ADC6D |
Bitfield on register DIDR0 |
| ADC7D |
Bitfield on register DIDR0 |
| ADC8D |
Bitfield on register DIDR2 |
| ADC9D |
Bitfield on register DIDR2 |
| ADCH |
ADC Data Register Bytes high byte. |
| ADCL |
ADC Data Register Bytes low byte. |
| ADCSRA |
The ADC Control and Status register. |
| ADCSRB |
ADC Control and Status Register B. |
| ADDEN |
Bitfield on register UDADDR |
| ADEN |
Bitfield on register ADCSRA |
| ADIE |
Bitfield on register ADCSRA |
| ADIF |
Bitfield on register ADCSRA |
| ADLAR |
Bitfield on register ADMUX |
| ADMUX |
The ADC multiplexer Selection Register. |
| ADPS |
Bitfield on register ADCSRA |
| ADSC |
Bitfield on register ADCSRA |
| AIN0D |
Bitfield on register DIDR1 |
| AIN1D |
Bitfield on register DIDR1 |
| ALLOC |
Bitfield on register UECFG1X |
| BLB0 |
Bitfield on register LOCKBIT |
| BLB1 |
Bitfield on register LOCKBIT |
| BLBSET |
Bitfield on register SPMCSR |
| BODLEVEL |
Bitfield on register EXTENDED |
| BOOTRST |
Bitfield on register HIGH |
| BOOTSZ |
Bitfield on register HIGH |
| BORF |
Bitfield on register MCUSR |
| C |
Bitfield on register SREG |
| CFGOK |
Bitfield on register UESTA0X |
| CKDIV8 |
Bitfield on register LOW |
| CKOUT |
Bitfield on register LOW |
| CLKPCE |
Bitfield on register CLKPR |
| CLKPR |
CLKPR register |
| CLKPS |
Bitfield on register CLKPR |
| CLKS |
Bitfield on register CLKSEL0 |
| CLKSEL0 |
CLKSEL0 register |
| CLKSEL1 |
CLKSEL1 register |
| CLKSTA |
CLKSTA register |
| COM0A |
Bitfield on register TCCR0A |
| COM0B |
Bitfield on register TCCR0A |
| COM1A |
Bitfield on register TCCR1A |
| COM1B |
Bitfield on register TCCR1A |
| COM1C |
Bitfield on register TCCR1A |
| COM3A |
Bitfield on register TCCR3A |
| COM3B |
Bitfield on register TCCR3A |
| COM3C |
Bitfield on register TCCR3A |
| COM4A |
Bitfield on register TCCR4A |
| COM4A0S |
Bitfield on register TCCR4C |
| COM4A1S |
Bitfield on register TCCR4C |
| COM4B |
Bitfield on register TCCR4A |
| COM4B0S |
Bitfield on register TCCR4C |
| COM4B1S |
Bitfield on register TCCR4C |
| COM4D |
Bitfield on register TCCR4C |
| CPHA |
Bitfield on register SPCR |
| CPOL |
Bitfield on register SPCR |
| CS0 |
Bitfield on register TCCR0B |
| CS1 |
Bitfield on register TCCR1B |
| CS3 |
Bitfield on register TCCR3B |
| CS4 |
Bitfield on register TCCR4B |
| CTRLDIR |
Bitfield on register UESTA1X |
| CTSEN |
Bitfield on register UCSR1D |
| CURRBK |
Bitfield on register UESTA1X |
| DDRB |
Port B Data Direction Register. |
| DDRC |
Port C Data Direction Register. |
| DDRD |
Port D Data Direction Register. |
| DDRE |
Data Direction Register, Port E. |
| DDRF |
Data Direction Register, Port F. |
| DETACH |
Bitfield on register UDCON |
| DIDR0 |
Digital Input Disable Register 0. |
| DIDR1 |
DIDR1 register |
| DIDR2 |
Digital Input Disable Register 2. |
| DOR1 |
Bitfield on register UCSR1A |
| DORD |
Bitfield on register SPCR |
| DT4 |
Timer/Counter 4 Dead Time Value. |
| DTPS4 |
Bitfield on register TCCR4B |
| DTSEQ |
Bitfield on register UESTA0X |
| EEAR |
EEPROM Address Register Low Bytes. |
| EEARH |
EEPROM Address Register Low Bytes high byte. |
| EEARL |
EEPROM Address Register Low Bytes low byte. |
| EECR |
EEPROM Control Register. |
| EEDR |
EEPROM Data Register. |
| EEMPE |
Bitfield on register EECR |
| EEPE |
Bitfield on register EECR |
| EEPM |
Bitfield on register EECR |
| EERE |
Bitfield on register EECR |
| EERIE |
Bitfield on register EECR |
| EESAVE |
Bitfield on register HIGH |
| EICRA |
External Interrupt Control Register A. |
| EICRB |
External Interrupt Control Register B. |
| EIFR |
External Interrupt Flag Register. |
| EIMSK |
External Interrupt Mask Register. |
| EIND |
Extended Indirect Register. |
| ENHC4 |
Bitfield on register TCCR4E |
| EORSME |
Bitfield on register UDIEN |
| EORSMI |
Bitfield on register UDINT |
| EORSTE |
Bitfield on register UDIEN |
| EORSTI |
Bitfield on register UDINT |
| EPBK |
Bitfield on register UECFG1X |
| EPDIR |
Bitfield on register UECFG0X |
| EPEN |
Bitfield on register UECONX |
| EPRST |
Bitfield on register UERST |
| EPSIZE |
Bitfield on register UECFG1X |
| EPTYPE |
Bitfield on register UECFG0X |
| EXCKSEL |
Bitfield on register CLKSEL1 |
| EXSUT |
Bitfield on register CLKSEL0 |
| EXTE |
Bitfield on register CLKSEL0 |
| EXTENDED |
EXTENDED register |
| EXTON |
Bitfield on register CLKSTA |
| EXTRF |
Bitfield on register MCUSR |
| FE1 |
Bitfield on register UCSR1A |
| FIFOCON |
Bitfield on register UEINTX |
| FLERRE |
Bitfield on register UEIENX |
| FNCERR |
Bitfield on register UDMFN |
| FOC0A |
Bitfield on register TCCR0B |
| FOC0B |
Bitfield on register TCCR0B |
| FOC1A |
Bitfield on register TCCR1C |
| FOC1B |
Bitfield on register TCCR1C |
| FOC1C |
Bitfield on register TCCR1C |
| FOC3A |
Bitfield on register TCCR3C |
| FOC3B |
Bitfield on register TCCR3C |
| FOC3C |
Bitfield on register TCCR3C |
| FOC4A |
Bitfield on register TCCR4A |
| FOC4B |
Bitfield on register TCCR4A |
| FOC4D |
Bitfield on register TCCR4C |
| FPAC4 |
Bitfield on register TCCR4D |
| FPEN4 |
Bitfield on register TCCR4D |
| FPES4 |
Bitfield on register TCCR4D |
| FPF4 |
Bitfield on register TCCR4D |
| FPIE4 |
Bitfield on register TCCR4D |
| FPNC4 |
Bitfield on register TCCR4D |
| FRZCLK |
Bitfield on register USBCON |
| GPIOR0 |
General Purpose IO Register 0. |
| GPIOR00 |
Bitfield on register GPIOR0 |
| GPIOR1 |
General Purpose IO Register 1. |
| GPIOR01 |
Bitfield on register GPIOR0 |
| GPIOR2 |
General Purpose IO Register 2. |
| GPIOR02 |
Bitfield on register GPIOR0 |
| GPIOR03 |
Bitfield on register GPIOR0 |
| GPIOR04 |
Bitfield on register GPIOR0 |
| GPIOR05 |
Bitfield on register GPIOR0 |
| GPIOR06 |
Bitfield on register GPIOR0 |
| GPIOR07 |
Bitfield on register GPIOR0 |
| GTCCR |
General Timer/Counter Control Register. |
| H |
Bitfield on register SREG |
| HIGH |
HIGH register |
| HWBE |
Bitfield on register EXTENDED |
| I |
Bitfield on register SREG |
| ICES1 |
Bitfield on register TCCR1B |
| ICES3 |
Bitfield on register TCCR3B |
| ICF1 |
Bitfield on register TIFR1 |
| ICF3 |
Bitfield on register TIFR3 |
| ICIE1 |
Bitfield on register TIMSK1 |
| ICIE3 |
Bitfield on register TIMSK3 |
| ICNC1 |
Bitfield on register TCCR1B |
| ICNC3 |
Bitfield on register TCCR3B |
| ICR1 |
Timer/Counter1 Input Capture Register Bytes. |
| ICR3 |
Timer/Counter3 Input Capture Register Bytes. |
| ICR1H |
Timer/Counter1 Input Capture Register Bytes high byte. |
| ICR1L |
Timer/Counter1 Input Capture Register Bytes low byte. |
| ICR3H |
Timer/Counter3 Input Capture Register Bytes high byte. |
| ICR3L |
Timer/Counter3 Input Capture Register Bytes low byte. |
| ISC0 |
Bitfield on register EICRA |
| ISC1 |
Bitfield on register EICRA |
| ISC2 |
Bitfield on register EICRA |
| ISC3 |
Bitfield on register EICRA |
| ISC4 |
Bitfield on register EICRB |
| ISC5 |
Bitfield on register EICRB |
| ISC6 |
Bitfield on register EICRB |
| ISC7 |
Bitfield on register EICRB |
| IVCE |
Bitfield on register MCUCR |
| IVSEL |
Bitfield on register MCUCR |
| JTAGEN |
Bitfield on register HIGH |
| JTD |
Bitfield on register MCUCR |
| JTRF |
Bitfield on register MCUSR |
| LB |
Bitfield on register LOCKBIT |
| LOCKBIT |
LOCKBIT register |
| LOW |
LOW register |
| LSM |
Bitfield on register UDCON |
| MCUCR |
MCU Control Register. |
| MCUSR |
MCU Status Register. |
| MPCM1 |
Bitfield on register UCSR1A |
| MSTR |
Bitfield on register SPCR |
| MUX |
Bitfield on register ADMUX |
| N |
Bitfield on register SREG |
| NAKINE |
Bitfield on register UEIENX |
| NAKINI |
Bitfield on register UEINTX |
| NAKOUTE |
Bitfield on register UEIENX |
| NAKOUTI |
Bitfield on register UEINTX |
| NBUSYBK |
Bitfield on register UESTA0X |
| OC4OE |
Bitfield on register TCCR4E |
| OCDEN |
Bitfield on register HIGH |
| OCDR |
On-Chip Debug Related Register in I/O Memory. |
| OCF0A |
Bitfield on register TIFR0 |
| OCF0B |
Bitfield on register TIFR0 |
| OCF1A |
Bitfield on register TIFR1 |
| OCF1B |
Bitfield on register TIFR1 |
| OCF1C |
Bitfield on register TIFR1 |
| OCF3A |
Bitfield on register TIFR3 |
| OCF3B |
Bitfield on register TIFR3 |
| OCF3C |
Bitfield on register TIFR3 |
| OCF4A |
Bitfield on register TIFR4 |
| OCF4B |
Bitfield on register TIFR4 |
| OCF4D |
Bitfield on register TIFR4 |
| OCIE0A |
Bitfield on register TIMSK0 |
| OCIE0B |
Bitfield on register TIMSK0 |
| OCIE1A |
Bitfield on register TIMSK1 |
| OCIE1B |
Bitfield on register TIMSK1 |
| OCIE1C |
Bitfield on register TIMSK1 |
| OCIE3A |
Bitfield on register TIMSK3 |
| OCIE3B |
Bitfield on register TIMSK3 |
| OCIE3C |
Bitfield on register TIMSK3 |
| OCIE4A |
Bitfield on register TIMSK4 |
| OCIE4B |
Bitfield on register TIMSK4 |
| OCIE4D |
Bitfield on register TIMSK4 |
| OCR0A |
Timer/Counter0 Output Compare Register. |
| OCR0B |
Timer/Counter0 Output Compare Register. |
| OCR1A |
Timer/Counter1 Output Compare Register A Bytes. |
| OCR1AH |
Timer/Counter1 Output Compare Register A Bytes high byte. |
| OCR1AL |
Timer/Counter1 Output Compare Register A Bytes low byte. |
| OCR1B |
Timer/Counter1 Output Compare Register B Bytes. |
| OCR1BH |
Timer/Counter1 Output Compare Register B Bytes high byte. |
| OCR1BL |
Timer/Counter1 Output Compare Register B Bytes low byte. |
| OCR1C |
Timer/Counter1 Output Compare Register C Bytes. |
| OCR1CH |
Timer/Counter1 Output Compare Register C Bytes high byte. |
| OCR1CL |
Timer/Counter1 Output Compare Register C Bytes low byte. |
| OCR3A |
Timer/Counter3 Output Compare Register A Bytes. |
| OCR3AH |
Timer/Counter3 Output Compare Register A Bytes high byte. |
| OCR3AL |
Timer/Counter3 Output Compare Register A Bytes low byte. |
| OCR3B |
Timer/Counter3 Output Compare Register B Bytes. |
| OCR3BH |
Timer/Counter3 Output Compare Register B Bytes high byte. |
| OCR3BL |
Timer/Counter3 Output Compare Register B Bytes low byte. |
| OCR3C |
Timer/Counter3 Output Compare Register B Bytes. |
| OCR3CH |
Timer/Counter3 Output Compare Register B Bytes high byte. |
| OCR3CL |
Timer/Counter3 Output Compare Register B Bytes low byte. |
| OCR4A |
Timer/Counter4 Output Compare Register A. |
| OCR4B |
Timer/Counter4 Output Compare Register B. |
| OCR4C |
Timer/Counter4 Output Compare Register C. |
| OCR4D |
Timer/Counter4 Output Compare Register D. |
| OSCCAL |
Oscillator Calibration Value. |
| OTGPADE |
Bitfield on register USBCON |
| OVERFI |
Bitfield on register UESTA0X |
| PCICR |
Pin Change Interrupt Control Register. |
| PCIE0 |
Bitfield on register PCICR |
| PCIF0 |
Bitfield on register PCIFR |
| PCIFR |
Pin Change Interrupt Flag Register. |
| PCMSK0 |
Pin Change Mask Register 0. |
| PDIV |
Bitfield on register PLLFRQ |
| PGERS |
Bitfield on register SPMCSR |
| PGWRT |
Bitfield on register SPMCSR |
| PINB |
Port B Input Pins. |
| PINC |
Port C Input Pins. |
| PIND |
Port D Input Pins. |
| PINDIV |
Bitfield on register PLLCSR |
| PINE |
Input Pins, Port E. |
| PINF |
Input Pins, Port F. |
| PINMUX |
Bitfield on register PLLFRQ |
| PLLCSR |
PLL Status and Control register. |
| PLLE |
Bitfield on register PLLCSR |
| PLLFRQ |
PLL Frequency Control Register. |
| PLLTM |
Bitfield on register PLLFRQ |
| PLLUSB |
Bitfield on register PLLFRQ |
| PLOCK |
Bitfield on register PLLCSR |
| PORF |
Bitfield on register MCUSR |
| PORTB |
Port B Data Register. |
| PORTC |
Port C Data Register. |
| PORTD |
Port D Data Register. |
| PORTE |
Data Register, Port E. |
| PORTF |
Data Register, Port F. |
| PRADC |
Bitfield on register PRR0 |
| PRR0 |
Power Reduction Register0. |
| PRR1 |
Power Reduction Register1. |
| PRSPI |
Bitfield on register PRR0 |
| PRTIM0 |
Bitfield on register PRR0 |
| PRTIM1 |
Bitfield on register PRR0 |
| PRTIM2 |
Bitfield on register PRR0 |
| PRTIM3 |
Bitfield on register PRR1 |
| PRTWI |
Bitfield on register PRR0 |
| PRUSART0 |
Bitfield on register PRR0 |
| PRUSART1 |
Bitfield on register PRR1 |
| PRUSB |
Bitfield on register PRR1 |
| PSR4 |
Bitfield on register TCCR4B |
| PSRSYNC |
Bitfield on register GTCCR |
| PUD |
Bitfield on register MCUCR |
| PWM4A |
Bitfield on register TCCR4A |
| PWM4B |
Bitfield on register TCCR4A |
| PWM4D |
Bitfield on register TCCR4C |
| PWM4X |
Bitfield on register TCCR4B |
| RAMPZ |
Extended Z-pointer Register for ELPM/SPM. |
| RCCKSEL |
Bitfield on register CLKSEL1 |
| RCCTRL |
Oscillator Control Register. |
| RCE |
Bitfield on register CLKSEL0 |
| RCFREQ |
Bitfield on register RCCTRL |
| RCON |
Bitfield on register CLKSTA |
| RCSUT |
Bitfield on register CLKSEL0 |
| REFS |
Bitfield on register ADMUX |
| RMWKUP |
Bitfield on register UDCON |
| RSTCPU |
Bitfield on register UDCON |
| RSTDT |
Bitfield on register UECONX |
| RTSEN |
Bitfield on register UCSR1D |
| RWAL |
Bitfield on register UEINTX |
| RWWSB |
Bitfield on register SPMCSR |
| RWWSRE |
Bitfield on register SPMCSR |
| RXB81 |
Bitfield on register UCSR1B |
| RXC1 |
Bitfield on register UCSR1A |
| RXCIE1 |
Bitfield on register UCSR1B |
| RXEN1 |
Bitfield on register UCSR1B |
| RXOUTE |
Bitfield on register UEIENX |
| RXOUTI |
Bitfield on register UEINTX |
| RXSTPE |
Bitfield on register UEIENX |
| RXSTPI |
Bitfield on register UEINTX |
| Res |
Bitfield on register RAMPZ |
| S |
Bitfield on register SREG |
| SE |
Bitfield on register SMCR |
| SIGRD |
Bitfield on register SPMCSR |
| SM |
Bitfield on register SMCR |
| SMCR |
Sleep Mode Control Register. |
| SOFE |
Bitfield on register UDIEN |
| SOFI |
Bitfield on register UDINT |
| SP |
Stack Pointer. |
| SPCR |
SPI Control Register. |
| SPDR |
SPI Data Register. |
| SPE |
Bitfield on register SPCR |
| SPEED |
Bitfield on register USBSTA |
| SPH |
Stack Pointer high byte. |
| SPI2X |
Bitfield on register SPSR |
| SPIE |
Bitfield on register SPCR |
| SPIEN |
Bitfield on register HIGH |
| SPIF |
Bitfield on register SPSR |
| SPL |
Stack Pointer low byte. |
| SPMCSR |
Store Program Memory Control Register. |
| SPMEN |
Bitfield on register SPMCSR |
| SPMIE |
Bitfield on register SPMCSR |
| SPR |
Bitfield on register SPCR |
| SPSR |
SPI Status Register. |
| SREG |
Status Register. |
| STALLEDE |
Bitfield on register UEIENX |
| STALLEDI |
Bitfield on register UEINTX |
| STALLRQ |
Bitfield on register UECONX |
| STALLRQC |
Bitfield on register UECONX |
| SUSPE |
Bitfield on register UDIEN |
| SUSPI |
Bitfield on register UDINT |
| SUT_CKSEL |
Bitfield on register LOW |
| T |
Bitfield on register SREG |
| TC4H |
Timer/Counter4. |
| TCCR0A |
Timer/Counter Control Register A. |
| TCCR0B |
Timer/Counter Control Register B. |
| TCCR1A |
Timer/Counter1 Control Register A. |
| TCCR1B |
Timer/Counter1 Control Register B. |
| TCCR1C |
Timer/Counter 1 Control Register C. |
| TCCR3A |
Timer/Counter3 Control Register A. |
| TCCR3B |
Timer/Counter3 Control Register B. |
| TCCR3C |
Timer/Counter 3 Control Register C. |
| TCCR4A |
Timer/Counter4 Control Register A. |
| TCCR4B |
Timer/Counter4 Control Register B. |
| TCCR4C |
Timer/Counter 4 Control Register C. |
| TCCR4D |
Timer/Counter 4 Control Register D. |
| TCCR4E |
Timer/Counter 4 Control Register E. |
| TCNT0 |
Timer/Counter0. |
| TCNT1 |
Timer/Counter1 Bytes. |
| TCNT3 |
Timer/Counter3 Bytes. |
| TCNT4 |
Timer/Counter4 Low Bytes. |
| TCNT1H |
Timer/Counter1 Bytes high byte. |
| TCNT1L |
Timer/Counter1 Bytes low byte. |
| TCNT3H |
Timer/Counter3 Bytes high byte. |
| TCNT3L |
Timer/Counter3 Bytes low byte. |
| TIFR0 |
Timer/Counter0 Interrupt Flag register. |
| TIFR1 |
Timer/Counter1 Interrupt Flag register. |
| TIFR3 |
Timer/Counter3 Interrupt Flag register. |
| TIFR4 |
Timer/Counter4 Interrupt Flag register. |
| TIMSK0 |
Timer/Counter0 Interrupt Mask Register. |
| TIMSK1 |
Timer/Counter1 Interrupt Mask Register. |
| TIMSK3 |
Timer/Counter3 Interrupt Mask Register. |
| TIMSK4 |
Timer/Counter4 Interrupt Mask Register. |
| TLOCK4 |
Bitfield on register TCCR4E |
| TOIE0 |
Bitfield on register TIMSK0 |
| TOIE1 |
Bitfield on register TIMSK1 |
| TOIE3 |
Bitfield on register TIMSK3 |
| TOIE4 |
Bitfield on register TIMSK4 |
| TOV0 |
Bitfield on register TIFR0 |
| TOV1 |
Bitfield on register TIFR1 |
| TOV3 |
Bitfield on register TIFR3 |
| TOV4 |
Bitfield on register TIFR4 |
| TSM |
Bitfield on register GTCCR |
| TWA |
Bitfield on register TWAR |
| TWAM |
Bitfield on register TWAMR |
| TWAMR |
TWI (Slave) Address Mask Register. |
| TWAR |
TWI (Slave) Address register. |
| TWBR |
TWI Bit Rate register. |
| TWCR |
TWI Control Register. |
| TWDR |
TWI Data register. |
| TWEA |
Bitfield on register TWCR |
| TWEN |
Bitfield on register TWCR |
| TWGCE |
Bitfield on register TWAR |
| TWIE |
Bitfield on register TWCR |
| TWINT |
Bitfield on register TWCR |
| TWPS |
Bitfield on register TWSR |
| TWS |
Bitfield on register TWSR |
| TWSR |
TWI Status Register. |
| TWSTA |
Bitfield on register TWCR |
| TWSTO |
Bitfield on register TWCR |
| TWWC |
Bitfield on register TWCR |
| TXB81 |
Bitfield on register UCSR1B |
| TXC1 |
Bitfield on register UCSR1A |
| TXCIE1 |
Bitfield on register UCSR1B |
| TXEN1 |
Bitfield on register UCSR1B |
| TXINE |
Bitfield on register UEIENX |
| TXINI |
Bitfield on register UEINTX |
| U2X1 |
Bitfield on register UCSR1A |
| UADD |
Bitfield on register UDADDR |
| UBRR1 |
USART Baud Rate Register Bytes. |
| UBRR1H |
USART Baud Rate Register Bytes high byte. |
| UBRR1L |
USART Baud Rate Register Bytes low byte. |
| UCPOL1 |
Bitfield on register UCSR1C |
| UCSR1A |
USART Control and Status Register A. |
| UCSR1B |
USART Control and Status Register B. |
| UCSR1C |
USART Control and Status Register C. |
| UCSR1D |
USART Control and Status Register D. |
| UCSZ1 |
Bitfield on register UCSR1C |
| UCSZ12 |
Bitfield on register UCSR1B |
| UDADDR |
UDADDR register |
| UDCON |
UDCON register |
| UDFNUM |
UDFNUM register |
| UDFNUMH |
high byte. |
| UDFNUML |
low byte. |
| UDIEN |
UDIEN register |
| UDINT |
UDINT register |
| UDMFN |
UDMFN register |
| UDR1 |
USART I/O Data Register. |
| UDRE1 |
Bitfield on register UCSR1A |
| UDRIE1 |
Bitfield on register UCSR1B |
| UEBCHX |
UEBCHX register |
| UEBCLX |
UEBCLX register |
| UECFG0X |
UECFG0X register |
| UECFG1X |
UECFG1X register |
| UECONX |
UECONX register |
| UEDATX |
UEDATX register |
| UEIENX |
UEIENX register |
| UEINT |
UEINT register |
| UEINTX |
UEINTX register |
| UENUM |
UENUM register |
| UERST |
UERST register |
| UESTA0X |
UESTA0X register |
| UESTA1X |
UESTA1X register |
| UHWCON |
UHWCON register |
| UMSEL1 |
Bitfield on register UCSR1C |
| UNDERFI |
Bitfield on register UESTA0X |
| UPE1 |
Bitfield on register UCSR1A |
| UPM1 |
Bitfield on register UCSR1C |
| UPRSME |
Bitfield on register UDIEN |
| UPRSMI |
Bitfield on register UDINT |
| USBCON |
USB General Control Register. |
| USBE |
Bitfield on register USBCON |
| USBINT |
USBINT register |
| USBS1 |
Bitfield on register UCSR1C |
| USBSTA |
USBSTA register |
| UVREGE |
Bitfield on register UHWCON |
| V |
Bitfield on register SREG |
| VBUS |
Bitfield on register USBSTA |
| VBUSTE |
Bitfield on register USBCON |
| VBUSTI |
Bitfield on register USBINT |
| WAKEUPE |
Bitfield on register UDIEN |
| WAKEUPI |
Bitfield on register UDINT |
| WCOL |
Bitfield on register SPSR |
| WDCE |
Bitfield on register WDTCSR |
| WDE |
Bitfield on register WDTCSR |
| WDIE |
Bitfield on register WDTCSR |
| WDIF |
Bitfield on register WDTCSR |
| WDP |
Bitfield on register WDTCSR |
| WDRF |
Bitfield on register MCUSR |
| WDTCSR |
Watchdog Timer Control Register. |
| WDTON |
Bitfield on register HIGH |
| WGM0 |
Bitfield on register TCCR0A |
| WGM02 |
Bitfield on register TCCR0B |
| WGM4 |
Bitfield on register TCCR4D |
| Z |
Bitfield on register SREG |