ATMEGA644/V View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA644/V

8-bit AVR® Microcontroller with 16/32/64K Bytes In-System Programmable Flash

Atmel Corporation 

Register Summary

Address

(0xFF)

(0xFE)

(0xFD)

(0xFC)

(0xFB)

(0xFA)

(0xF9)

(0xF8)

(0xF7)

(0xF6)

(0xF5)

(0xF4)

(0xF3)

(0xF2)

(0xF1)

(0xF0)

(0xEF)

(0xEE)

(0xED)

(0xEC)

(0xEB)

(0xEA)

(0xE9)

(0xE8)

(0xE7)

(0xE6)

(0xE5)

(0xE4)

(0xE3)

(0xE2)

(0xE1)

(0xE0)

(0xDF)

(0xDE)

(0xDD)

(0xDC)

(0xDB)

(0xDA)

(0xD9)

(0xD8)

(0xD7)

(0xD6)

(0xD5)

(0xD4)

(0xD3)

(0xD2)

(0xD1)

(0xD0)

(0xCF)

(0xCE)

(0xCD)

(0xCC)

(0xCB)

(0xCA)

(0xC9)

(0xC8)

(0xC7)

(0xC6)

(0xC5)

(0xC4)

(0xC3)

(0xC2)

(0xC1)

(0xC0)

Name

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

UDR1

UBRR1H

UBRR1L

Reserved

UCSR1C

UCSR1B

UCSR1A

Reserved

UDR0

UBRR0H

UBRR0L

Reserved

UCSR0C

UCSR0B

UCSR0A

Bit 7

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UMSEL11

RXCIE1

RXC1

-

-

-

UMSEL01

RXCIE0

RXC0

Bit 6

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UMSEL10

TXCIE1

TXC1

-

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-

UMSEL00

TXCIE0

TXC0

Bit 5

-

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UPM11

UDRIE1

UDRE1

-

-

-

UPM01

UDRIE0

UDRE0

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

-

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USART1 I/O Data Register

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USART1 Baud Rate Register High Byte

USART1 Baud Rate Register Low Byte

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UPM10

USBS1

UCSZ11

UCSZ10

UCPOL1

RXEN1

TXEN1

UCSZ12

RXB81

TXB81

FE1

DOR1

UPE1

U2X1

MPCM1

-

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-

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USART0 I/O Data Register

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USART0 Baud Rate Register High Byte

USART0 Baud Rate Register Low Byte

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UPM00

USBS0

UCSZ01

UCSZ00

UCPOL0

RXEN0

TXEN0

UCSZ02

RXB80

TXB80

FE0

DOR0

UPE0

U2X0

MPCM0

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8 ATmega164/324/644

2593AS–AVR–06/05

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