atmega644v ATMEL Corporation, atmega644v Datasheet - Page 7

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

4. Register Summary
2593MS–AVR–08/07
Address
(0xED)
(0xEC)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xFF)
(0xFE)
(0xFD)
(0xFC)
(0xFB)
(0xFA)
(0xEF)
(0xEE)
(0xEB)
(0xEA)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xDF)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xCF)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UDR0
UBRR0H
UBRR0L
Reserved
UCSR0C
UCSR0B
UCSR0A
Name
UMSEL01
RXCIE0
RXC0
Bit 7
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UMSEL00
TXCIE0
Bit 6
TXC0
-
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UDRIE0
UPM01
UDRE0
Bit 5
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USART0 Baud Rate Register Low Byte
USART0 I/O Data Register
UPM00
RXEN0
Bit 4
FE0
-
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USBS0
TXEN0
DOR0
Bit 3
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USART0 Baud Rate Register High Byte
UCSZ01
UCSZ02
UPE0
Bit 2
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UCSZ00
RXB80
Bit 1
U2X0
-
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UCPOL0
MPCM0
TXB80
Bit 0
ATmega644
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186/198
186/198
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Page
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