atmega644v ATMEL Corporation, atmega644v Datasheet - Page 21

• Manufacturer Part Number: atmega644v
• Description: Atmega644 8-bit Avr Microcontroller With 64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

9.12
9.13
2593MS–AVR–08/07
Rev. 2593B - 03/06
Rev. 2593A-06/05
1.
4.
5.
6.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
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16.
17.
18.
Initial revision.
Updated code example in
Updated
Updated
Removed the occurancy of ATmega164 and ATmega324.
Updated Adresses in Registers.
Updated
Updated SRAM sizes in
Updated
Updated
Updated Register bit Discription in
Updated Note in
Updated Feauters in
Changed name from “SFIOR“ to “ADCSRB“ in
”Bit 5 – ADATE: ADC Auto Trigger Enable” on page 250
Reserved Bits” on page
Updated
Updated
Updated
Updated Example in
Updated
Updated
Updated
Updated
1 on page
322,
Table 27-1 on page
”Setting the Boot Loader Lock Bits by SPM” on page
”Register Summary” on page
”Architectural Overview” on page
”I/O Memory” on page
”PRR – Power Reduction Register” on page
”Signature Bytes” on page
”DC Characteristics” on page
”Typical Characteristics” on page
”Register Summary” on page
Figure 6-2 on page 18
”Errata” on page
Table 9-1 on page
260,
Table 25-7 on page
”Overview of the TWI Module” on page
”Supply Current of IO modules” on page
”Analog-to-digital Converter” on page
251.
”SRAM Data Memory” on page
331,
”Interrupt Vectors in ATmega644” on page
365.
47,
Table 27-2 on page
20.
Table 9-4 on page 51,Table 10-1 on page 55,Table 23-
and
”Register Description” on page
287.
287,
Figure 21-1 on page
354.
316.
354.
Table 25-15 on page 299,Table 26-6 on page
9.
326.
”Starting a Conversion” on page
332.
44.
18.
206.
234.
233.
331.
276.
and
ATmega644
146.
”Bit 7, 5:3 – Res:
55.
235, in
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