Atmel Xplained Evaluation Kit ATMEGA1284P-XPLD ATMEGA1284P-XPLD Data Sheet
Product codes
ATMEGA1284P-XPLD
10
8272ES–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/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
-
-
-
-
-
-
-
-
(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)
Reserved
-
-
-
-
-
-
-
-
(0xD5)
Reserved
-
-
-
-
-
-
-
-
(0xD4)
Reserved
-
-
-
-
-
-
-
-
(0xD3)
Reserved
-
-
-
-
-
-
-
-
(0xD2)
Reserved
-
-
-
-
-
-
-
-
(0xD1)
Reserved
-
-
-
-
-
-
-
-
(0xD0)
Reserved
-
-
-
-
-
-
-
-
(0xCF)
Reserved
-
-
-
-
-
-
-
-
(0xCE)
UDR1
USART1 I/O Data Register
193
(0xCD)
UBRR1H
-
-
-
-
USART1 Baud Rate Register High Byte
197
/
210
(0xCC)
UBRR1L
USART1 Baud Rate Register Low Byte
197
/
210
(0xCB)
Reserved
-
-
-
-
-
-
-
-
(0xCA)
UCSR1C
UMSEL11
UMSEL10
UPM11
UPM10
USBS1
UCSZ11/UDORD0
UCSZ10/UCPHA0
UCPOL1
195
/
209
(0xC9)
UCSR1B
RXCIE1
TXCIE1
UDRIE1
RXEN1
TXEN1
UCSZ12
RXB81
TXB81
194
/
208
(0xC8)
UCSR1A
RXC1
TXC1
UDRE1
FE1
DOR1
UPE1
U2X1
MPCM1
193
/
208
(0xC7)
Reserved
-
-
-
-
-
-
-
-
(0xC6)
UDR0
USART0 I/O Data Register
193
(0xC5)
UBRR0H
-
-
-
-
USART0 Baud Rate Register High Byte
197
/
210
(0xC4)
UBRR0L
USART0 Baud Rate Register Low Byte
197
/
210
(0xC3)
Reserved
-
-
-
-
-
-
-
-
(0xC2)
UCSR0C
UMSEL01
UMSEL00
UPM01
UPM00
USBS0
UCSZ01/UDORD0
UCSZ00/UCPHA0
UCPOL0
195
/
209
(0xC1)
UCSR0B
RXCIE0
TXCIE0
UDRIE0
RXEN0
TXEN0
UCSZ02
RXB80
TXB80
194
/
208