參數(shù)資料
型號(hào): AV80C52TXXX-20:D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
封裝: 1.40 MM HEIGHT, VQFP-44
文件頁數(shù): 13/134頁
文件大?。?/td> 3805K
11
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
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 11. 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
(4 KB)
0
I/O Registers
(4 KB)
0
I/O Registers
(4 KB)
FFF
1000
EEPROM
(2 KB)
1000
EEPROM
(2 KB)
1000
EEPROM
(2 KB)
17FF
RESERVED
2000
Internal SRAM
(16 KB)
2000
Internal SRAM
(8 KB)
2000
Internal SRAM
(4 KB)
5FFF
3FFF
2FFF
Byte Address
ATxmega256A3
0
I/O Registers
(4 KB)
FFF
1000
EEPROM
(4 KB)
1FFF
2000
Internal SRAM
(16 KB)
5FFF
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