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ATMEGA1281-16AU Datasheet(PDF) 12 Page - ATMEL Corporation

Part No. ATMEGA1281-16AU
Description  8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Download  37 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA1281-16AU Datasheet(HTML) 12 Page - ATMEL Corporation

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12
2549LS–AVR–08/07
ATmega640/1280/1281/2560/2561
(0x100)
PINH
PINH7
PINH6
PINH5
PINH4
PINH3
PINH2
PINH1
PINH0
page 103
(0xFF)
Reserved
-
-
-
-
-
-
-
-
(0xFE)
Reserved
-
-
-
-
-
-
-
-
(0xFD)
Reserved
-
-
-
-
-
-
-
-
(0xFC)
Reserved
-
-
-
-
-
-
-
-
(0xFB)
Reserved
-
-
-
-
-
-
-
-
(0xFA)
Reserved
-
-
-
-
-
-
-
-
(0xF9)
Reserved
-
-
-
-
-
-
-
-
(0xF8)
Reserved
-
-
-
-
-
-
-
-
(0xF7)
Reserved
-
-
-
-
-
-
-
-
(0xF6)
Reserved
-
-
-
-
-
-
-
-
(0xF5)
Reserved
-
-
-
-
-
-
-
-
(0xF4)
Reserved
-
-
-
-
-
-
-
-
(0xF3)
Reserved
-
-
-
-
-
-
-
-
(0xF2)
Reserved
-
-
-
-
-
-
-
-
(0xF1)
Reserved
-
-
-
-
-
-
-
-
(0xF0)
Reserved
-
-
-
-
-
-
-
-
(0xEF)
Reserved
-
-
-
-
-
-
-
-
(0xEE)
Reserved
-
-
-
-
-
-
-
-
(0xED)
Reserved
-
-
-
-
-
-
-
-
(0xEC)
Reserved
-
-
-
-
-
-
-
-
(0xEB)
Reserved
-
-
-
-
-
-
-
(0xEA)
Reserved
-
-
-
-
-
-
-
-
(0xE9)
Reserved
-
-
-
-
-
-
-
-
(0xE8)
Reserved
-
-
-
-
-
-
-
-
(0xE7)
Reserved
-
-
-
-
-
-
-
(0xE6)
Reserved
-
-
-
-
-
-
-
-
(0xE5)
Reserved
-
-
-
-
-
-
-
-
(0xE4)
Reserved
-
-
-
-
-
-
-
-
(0xE3)
Reserved
-
-
-
-
-
-
-
(0xE2)
Reserved
-
-
-
-
-
-
-
-
(0xE1)
Reserved
-
-
-
-
-
-
-
(0xE0)
Reserved
-
-
-
-
-
-
-
(0xDF)
Reserved
-
-
-
-
-
-
-
-
(0xDE)
Reserved
-
-
-
-
-
-
-
-
(0xDD)
Reserved
-
-
-
-
-
-
-
(0xDC)
Reserved
-
-
-
-
-
-
-
-
(0xDB)
Reserved
-
-
-
-
-
-
-
-
(0xDA)
Reserved
-
-
-
-
-
-
-
-
(0xD9)
Reserved
-
-
-
-
-
-
-
(0xD8)
Reserved
-
-
-
-
-
-
-
-
(0xD7)
Reserved
-
-
-
-
-
-
-
-
(0xD6)
UDR2
USART2 I/O Data Register
page 223
(0xD5)
UBRR2H
-
-
-
-
USART2 Baud Rate Register High Byte
page 227
(0xD4)
UBRR2L
USART2 Baud Rate Register Low Byte
page 227
(0xD3)
Reserved
-
-
-
-
-
-
-
-
(0xD2)
UCSR2C
UMSEL21
UMSEL20
UPM21
UPM20
USBS2
UCSZ21
UCSZ20
UCPOL2
page 239
(0xD1)
UCSR2B
RXCIE2
TXCIE2
UDRIE2
RXEN2
TXEN2
UCSZ22
RXB82
TXB82
page 238
(0xD0)
UCSR2A
RXC2
TXC2
UDRE2
FE2
DOR2
UPE2
U2X2
MPCM2
page 238
(0xCF)
Reserved
-
-
-
-
-
-
-
-
(0xCE)
UDR1
USART1 I/O Data Register
page 223
(0xCD)
UBRR1H
-
-
-
-
USART1 Baud Rate Register High Byte
page 227
(0xCC)
UBRR1L
USART1 Baud Rate Register Low Byte
page 227
(0xCB)
Reserved
-
-
-
-
-
-
-
-
(0xCA)
UCSR1C
UMSEL11
UMSEL10
UPM11
UPM10
USBS1
UCSZ11
UCSZ10
UCPOL1
page 239
(0xC9)
UCSR1B
RXCIE1
TXCIE1
UDRIE1
RXEN1
TXEN1
UCSZ12
RXB81
TXB81
page 238
(0xC8)
UCSR1A
RXC1
TXC1
UDRE1
FE1
DOR1
UPE1
U2X1
MPCM1
page 238
(0xC7)
Reserved
-
-
-
-
-
-
-
-
(0xC6)
UDR0
USART0 I/O Data Register
page 223
(0xC5)
UBRR0H
-
-
-
-
USART0 Baud Rate Register High Byte
page 227
(0xC4)
UBRR0L
USART0 Baud Rate Register Low Byte
page 227
(0xC3)
Reserved
-
-
-
-
-
-
-
-
(0xC2)
UCSR0C
UMSEL01
UMSEL00
UPM01
UPM00
USBS0
UCSZ01
UCSZ00
UCPOL0
page 239
(0xC1)
UCSR0B
RXCIE0
TXCIE0
UDRIE0
RXEN0
TXEN0
UCSZ02
RXB80
TXB80
page 238
(0xC0)
UCSR0A
RXC0
TXC0
UDRE0
FE0
DOR0
UPE0
U2X0
MPCM0
page 238
(0xBF)
Reserved
-
-
-
-
-
-
-
-
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page


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