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ATXMEGA256A3 Datasheet(PDF) 10 Page - ATMEL Corporation |
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ATXMEGA256A3 Datasheet(HTML) 10 Page - ATMEL Corporation |
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10 / 76 page  10 8068E–AVR–08/08 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 |
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