Atmel XMEGA A3 series User Manual

10
8068C–AVR–06/08
XMEGA A3
7.4 Data Memory
The Data Memory consist of the I/O Memory, EEPROM and SRAM memories, all within one lin-
ear address space, see Figure 7-2 on page 10. To simplify development, the memory map for all
devices in the family is identical and with empty, reserved memory space for smaller devices.
Figure 7-2. Data Memory Map (Hexadecimal address)
Byte Address ATxmega192A3 Byte Address ATxmega128A3 Byte Address ATxmega64A3
0
I/O Registers
(4KB)
0
I/O Registers
(4KB)
0
I/O Registers
(4KB)
FFF FFF FFF
1000
EEPROM
(4K)
1000
EEPROM
(2K)
1000
EEPROM
(2K)
17FF 17FF
1FFF
RESERVED RESERVED
2000
Internal SRAM
(16K)
2000
Internal SRAM
(8K)
2000
Internal SRAM
(4K)
5FFF 3FFF 2FFF
6000
External Memory
(0 - 16 MB)
4000
External Memory
(0 - 16 MB)
3000
External Memory
(0 - 16 MB)
FFFFFF FFFFFF FFFFFF
Byte Address ATxmega256A3
0
I/O Registers
(4KB)
FFF
1000
EEPROM
(4K)
1FFF
2000
Internal SRAM
(16K)
5FFF
6000
External Memory
(0 - 16 MB)
FFFFFF

Atmel XMEGA A3 series Specifications

General

Brand	Atmel
Model	XMEGA A3 series
Category	Microcontrollers
Language	English