8.1 Peripheral Address Map

The address map shows the base address for each peripheral. For a complete register description and summary for each peripheral, refer to the respective peripheral sections.

Table 8-1. Peripheral Address Map
Base Address	Name	Description	28-Pin	32-Pin	48-Pin	64-Pin
0x0000	VPORTA	Virtual Port A	X	X	X	X
0x0004	VPORTB	Virtual Port B			X	X
0x0008	VPORTC	Virtual Port C	X	X	X	X
0x000C	VPORTD	Virtual Port D	X	X	X	X
0x0010	VPORTE	Virtual Port E			X	X
0x0014	VPORTF	Virtual Port F	X	X	X	X
0x0018	VPORTG	Virtual Port G				X
0x001C	GPR	General Purpose Registers	X	X	X	X
0x0030	CPU	CPU	X	X	X	X
0x0040	RSTCTRL	Reset Controller	X	X	X	X
0x0050	SLPCTRL	Sleep Controller	X	X	X	X
0x0060	CLKCTRL	Clock Controller	X	X	X	X
0x0080	BOD	Brown-out Detector	X	X	X	X
0x00A0	VREF	Voltage Reference	X	X	X	X
0x0100	WDT	Watchdog Timer	X	X	X	X
0x0110	CPUINT	Interrupt Controller	X	X	X	X
0x0120	CRCSCAN	Cyclic Redundancy Check Memory Scan	X	X	X	X
0x0140	RTC	Real-Time Counter	X	X	X	X
0x01C0	CCL	Configurable Custom Logic	X	X	X	X
0x0200	EVSYS	Event System	X	X	X	X
0x0400	PORTA	Port A Configuration	X	X	X	X
0x0420	PORTB	Port B Configuration			X	X
0x0440	PORTC	Port C Configuration	X	X	X	X
0x0460	PORTD	Port D Configuration	X	X	X	X
0x0480	PORTE	Port E Configuration			X	X
0x04A0	PORTF	Port F Configuration	X	X	X	X
0x04C0	PORTG	Port G Configuration				X
0x05E0	PORTMUX	Port Multiplexer	X	X	X	X
0x0600	ADC0	Analog-to-Digital Converter 0	X	X	X	X
0x0680	AC0	Analog Comparator 0	X	X	X	X
0x0688	AC1	Analog Comparator 1	X	X	X	X
0x0690	AC2	Analog Comparator 2	X	X	X	X
0x06A0	DAC0	Digital-to-Analog converter 0	X	X	X	X
0x06C0	ZCD0	Zero-Cross Detector 0	X	X	X	X
0x06C8	ZCD1	Zero-Cross Detector 1			X	X
0x06D0	ZCD2	Zero-Cross Detector 2				X
0x07C0	PTC	Peripheral Touch Controller	X	X	X	X
0x0800	USART0	Universal Synchronous Asynchronous Receiver Transmitter 0	X	X	X	X
0x0820	USART1	Universal Synchronous Asynchronous Receiver Transmitter 1	X	X	X	X
0x0840	USART2	Universal Synchronous Asynchronous Receiver Transmitter 2	X	X	X	X
0x0860	USART3	Universal Synchronous Asynchronous Receiver Transmitter 3			X	X
0x0880	USART4	Universal Synchronous Asynchronous Receiver Transmitter 4			X	X
0x08A0	USART5	Universal Synchronous Asynchronous Receiver Transmitter 5				X
0x0900	TWI0	Two-Wire Interface 0	X	X	X	X
0x0920	TWI1	Two-Wire Interface 1		X	X	X
0x0940	SPI0	Serial Peripheral Interface 0	X	X	X	X
0x0960	SPI1	Serial Peripheral Interface 1	X	X	X	X
0x0A00	TCA0	Timer/Counter Type A instance 0	X	X	X	X
0x0A40	TCA1	Timer/Counter Type A instance 1			X	X
0x0B00	TCB0	Timer/Counter Type B instance 0	X	X	X	X
0x0B10	TCB1	Timer/Counter Type B instance 1	X	X	X	X
0x0B20	TCB2	Timer/Counter Type B instance 2	X	X	X	X
0x0B30	TCB3	Timer/Counter Type B instance 3			X	X
0x0B40	TCB4	Timer/Counter Type B instance 4				X
0x0B80	TCD0	Timer/Counter Type D instance 0	X	X	X	X
0x0F00	SYSCFG	System Configuration	X	X	X	X
0x1000	NVMCTRL	Nonvolatile Memory Controller	X	X	X	X

Table 8-2. System Memory Address Map
Base Address	Name	Description	28-Pin	32-Pin	48-Pin	64-Pin
0x1040	LOCK	Lock Bits	X	X	X	X
0x1050	FUSE	User Configuration	X	X	X	X
0x1080	USERROW	User Row	X	X	X	X
0x1100	SIGROW	Signature Row	X	X	X	X

AVR64DA28/32/48/64

8.1 Peripheral Address Map