Module avrd::atmega32u2

The AVR ATmega32U2 microcontroller

Variants

	Pinout	Package	Operating temperature	Operating voltage	Max speed
ATmega32U2-AU	QUAD	TQFP32	-40°C - 85°C	2.7V - 5.5V	16 MHz
ATmega32U2-MU	QUAD	QFN32	-40°C - 85°C	2.7V - 5.5V	16 MHz

Registers by module (not exhaustive)

PORT modules

• PORTB
  • PB0 (PB0)
  • PB1 (PB1)
  • PB2 (PB2)
  • PB3 (PB3)
  • PB4 (PB4)
  • PB5 (PB5)
  • PB6 (PB6)
  • PB7 (PB7)
• PORTD
  • PD0 (PD0)
  • PD1 (PD1)
  • PD2 (PD2)
  • PD3 (PD3)
  • PD4 (PD4)
  • PD5 (PD5)
  • PD6 (PD6)
  • PD7 (PD7)
• PORTC
  • PC0 (PC0)
  • PC1 (PC1)
  • PC2 (PC2)
  • PC3 (PC3)
  • PC4 (PC4)
  • PC5 (PC5)
  • PC6 (PC6)
  • PC7 (PC7)

EEPROM modules

• EEPROM

USART modules

• USART1
  • PD2 (PD2)
  • PD3 (PD3)
  • PD5 (PD5)
  • PD6 (PD6)
  • PD7 (PD7)

Constants

ACMUX	Analog Comparator Input Multiplexer.
ACSR	Analog Comparator Control And Status Register.
CLKPR
CLKSEL0
CLKSEL1
CLKSTA
DDRB	Port B Data Direction Register.
DDRC	Port C Data Direction Register.
DDRD	Port D Data Direction Register.
DIDR1
DWDR	debugWire communication register.
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.
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.
EXTENDED
GPIOR0	General Purpose IO Register 0.
GPIOR1	General Purpose IO Register 1.
GPIOR2	General Purpose IO Register 2.
GTCCR	General Timer/Counter Control Register.
HIGH
ICR1	Timer/Counter1 Input Capture Register Bytes.
ICR1H	Timer/Counter1 Input Capture Register Bytes high byte.
ICR1L	Timer/Counter1 Input Capture Register Bytes low byte.
LOCKBIT
LOW
MCUCR	MCU Control Register.
MCUSR	MCU Status Register.
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.
OSCCAL	Oscillator Calibration Value.
PCICR	Pin Change Interrupt Control Register.
PCIFR	Pin Change Interrupt Flag Register.
PCMSK0	Pin Change Mask Register 0.
PCMSK1	Pin Change Mask Register 1.
PINB	Port B Input Pins.
PINC	Port C Input Pins.
PIND	Port D Input Pins.
PLLCSR	PLL Status and Control register.
PORTB	Port B Data Register.
PORTC	Port C Data Register.
PORTD	Port D Data Register.
PRR0	Power Reduction Register0.
PRR1	Power Reduction Register1.
REGCR	Regulator Control Register.
SMCR	Sleep Mode Control Register.
SP	Stack Pointer.
SPCR	SPI Control Register.
SPDR	SPI Data Register.
SPH	Stack Pointer high byte.
SPL	Stack Pointer low byte.
SPMCSR	Store Program Memory Control Register.
SPSR	SPI Status Register.
SREG	Status Register.
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.
TCNT0	Timer/Counter0.
TCNT1	Timer/Counter1 Bytes.
TCNT1H	Timer/Counter1 Bytes high byte.
TCNT1L	Timer/Counter1 Bytes low byte.
TIFR0	Timer/Counter0 Interrupt Flag register.
TIFR1	Timer/Counter1 Interrupt Flag register.
TIMSK0	Timer/Counter0 Interrupt Mask Register.
TIMSK1	Timer/Counter1 Interrupt Mask Register.
UBRR1	USART Baud Rate Register Bytes.
UBRR1H	USART Baud Rate Register Bytes high byte.
UBRR1L	USART Baud Rate Register Bytes low byte.
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.
UDADDR	USB Device Address Register.
UDCON	USB Device Control Registers.
UDFNUM	USB Device Frame Number High Register.
UDFNUMH	USB Device Frame Number High Register high byte.
UDFNUML	USB Device Frame Number High Register low byte.
UDIEN	USB Device Interrupt Enable Register.
UDINT	USB Device Interrupt Register.
UDMFN	USB Device Micro Frame Number.
UDR1	USART I/O Data Register.
UEBCLX	USB Endpoint Byte Count Register.
UECFG0X	USB Endpoint Configuration 0 Register.
UECFG1X	USB Endpoint Configuration 1 Register.
UECONX	USB Endpoint Control Register.
UEDATX	USB Data Endpoint.
UEIENX	USB Endpoint Interrupt Enable Register.
UEINT	USB Endpoint Number Interrupt Register.
UEINTX	USB Endpoint Interrupt Register.
UENUM	USB Endpoint Number.
UERST	USB Endpoint Reset Register.
UESTA0X	USB Endpoint Status 0 Register.
UESTA1X	USB Endpoint Status 1 Register.
UPOE	USB Software Output Enable register.
USBCON	USB General Control Register.
WDTCKD	Watchdog Timer Clock Divider.
WDTCSR	Watchdog Timer Control Register.