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ATMEGA48A Datasheet(PDF) 9 Page - ATMEL Corporation

Part # ATMEGA48A
Description  8-bit Atmel Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash
Download  35 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA48A Datasheet(HTML) 9 Page - ATMEL Corporation

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9
8271DS–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
7.
Register Summary
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
(0xFF)
Reserved
–
–
–
–
–
–
–
–
(0xFE)
Reserved
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–
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–
(0xFD)
Reserved
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(0xFC)
Reserved
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(0xFB)
Reserved
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(0xFA)
Reserved
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(0xF9)
Reserved
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(0xF8)
Reserved
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(0xF7)
Reserved
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(0xF6)
Reserved
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(0xF5)
Reserved
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(0xF4)
Reserved
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(0xF3)
Reserved
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(0xF2)
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(0xF1)
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(0xF0)
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(0xEF)
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(0xEE)
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(0xED)
Reserved
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(0xEC)
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(0xEB)
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(0xEA)
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(0xE9)
Reserved
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(0xE8)
Reserved
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(0xE7)
Reserved
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(0xE6)
Reserved
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(0xE5)
Reserved
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(0xE4)
Reserved
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(0xE3)
Reserved
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(0xE2)
Reserved
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(0xE1)
Reserved
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(0xE0)
Reserved
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(0xDF)
Reserved
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(0xDE)
Reserved
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(0xDD)
Reserved
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(0xDC)
Reserved
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(0xDB)
Reserved
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(0xDA)
Reserved
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(0xD9)
Reserved
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(0xD8)
Reserved
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(0xD7)
Reserved
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(0xD6)
Reserved
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–
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(0xD5)
Reserved
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–
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–
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(0xD4)
Reserved
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–
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–
–
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(0xD3)
Reserved
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–
–
–
–
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(0xD2)
Reserved
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–
–
–
–
–
–
–
(0xD1)
Reserved
–
–
–
–
–
–
–
–
(0xD0)
Reserved
–
–
–
–
–
–
–
–
(0xCF)
Reserved
–
–
–
–
–
–
–
–
(0xCE)
Reserved
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–
–
–
–
–
–
–
(0xCD)
Reserved
–
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–
–
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–
(0xCC)
Reserved
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–
–
–
–
(0xCB)
Reserved
–
–
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–
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–
–
(0xCA)
Reserved
–
–
–
–
–
–
–
–
(0xC9)
Reserved
–
–
–
–
–
–
–
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(0xC8)
Reserved
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–
–
–
–
–
(0xC7)
Reserved
–
–
–
–
–
–
–
–
(0xC6)
UDR0
USART I/O Data Register
201
(0xC5)
UBRR0H
USART Baud Rate Register High
205
(0xC4)
UBRR0L
USART Baud Rate Register Low
205
(0xC3)
Reserved
–
–
–
–
–
–
–
–
(0xC2)
UCSR0C
UMSEL01
UMSEL00
UPM01
UPM00
USBS0
UCSZ01 /UDORD0
UCSZ00 / UCPHA0
UCPOL0
203/214
(0xC1)
UCSR0B
RXCIE0
TXCIE0
UDRIE0
RXEN0
TXEN0
UCSZ02
RXB80
TXB80
202
(0xC0)
UCSR0A
RXC0
TXC0
UDRE0
FE0
DOR0
UPE0
U2X0
MPCM0
201


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