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ATMEGA640 Datasheet(PDF) 21 Page - ATMEL Corporation

Part # ATMEGA640
Description  8- BIT Microcontroller with 256K Bytes In-System Programmable Flash
PDF  407 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA640 Datasheet(HTML) 21 Page - ATMEL Corporation

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ATmega640/1280/1281/2560/2561
2549A–AVR–03/05
Figure 12. Data Memory Map
32 Registers
64 I/O Registers
Internal SRAM
(8192 x 8)
$0000 - $001F
$0020 - $005F
$2200
$21FF
$FFFF
$0060 - $01FF
Data Memory
External SRAM
(0 - 64K x 8)
416 Ext I/O Reg.
$0200



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