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ATMEGA640 Datasheet(PDF) 34 Page - ATMEL Corporation

Part # ATMEGA640
Description  8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
PDF  35 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA640 Datasheet(HTML) 34 Page - ATMEL Corporation

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34
ATmega640/1280/1281/2560/2561
2549KS–AVR–01/07
Rev. 2549B-05/05
Rev. 2549A-03/05
4.
Updated “Bit Rate Generator Unit” on page 251.
5.
Updated “Maximum speed vs. VCC” on page 377.
6.
Updated “Ordering Information” on page 18.
7.
Updated “Packaging Information” on page 23. Package 64M1 replaced by
64M2.
8.
Updated “Errata” on page 27.
1.
JTAG ID/Signature for ATmega640 updated: 0x9608.
2.
Updated Table 43 on page 94.
3.
Updated “Serial Programming Instruction set” on page 359.
4.
Updated “Errata” on page 27.
1.
Initial version.



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