CPU core
Registers
I/O port A
Registers
I/O port B
Registers
I/O port C
Registers
I/O port D
Registers
I/O port E
Registers
I/O port control
Registers
Analog-to-digital converter
Registers
Pins
Capture/compare/PWM 1
Registers
Capture/compare/PWM 2
Registers
Comparators and voltage reference
Registers
Pins
CTMU
Registers
DMA
Registers
Enhanced capture/compare/PWM
Registers
Enhanced capture/compare/PWM 1
Registers
Enhanced capture/compare/PWM 2
Registers
USART
Registers
Pins
Interrupts
Registers
Pins
Master synchronous serial port (SPI, I²C)
Registers
Pins
Data EEPROM and flash program memory
Registers
Oscillator, power control and watchdog
Registers
Pins
Peripheral module disable
Registers
Parallel master port
Registers
Low-power and deep sleep control
Registers
Peripheral pin select
Registers
Real-time clock and calendar
Registers
Timer0
Registers
Timer1
Registers
Timer2
Registers
Timer3
Registers
Timer4
Registers
USB device
Registers
Pins
BETA