atmega164-20pu ATMEL Corporation, atmega164-20pu Datasheet - Page 8

• Manufacturer Part Number: atmega164-20pu
• Description: 8-bit Microcontroller With 16/32/64k Bytes In-system Programmable Flash - Atmel Corporation
• Manufacturer: ATMEL Corporation

Register Summary
8
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)
ATmega164/324/644
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
Reserved
UDR0
UBRR0H
UBRR0L
Reserved
UCSR0C
UCSR0B
UCSR1A
UCSR0A
Name
UMSEL11
UMSEL01
RXCIE1
RXCIE0
RXC1
RXC0
Bit 7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UMSEL10
UMSEL00
TXCIE1
TXCIE0
Bit 6
TXC1
TXC0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UDRIE1
UDRIE0
UPM11
UDRE1
UPM01
UDRE0
Bit 5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART1 Baud Rate Register Low Byte
USART0 Baud Rate Register Low Byte
UPM10
RXEN1
UPM00
RXEN0
USART1 I/O Data Register
USART0 I/O Data Register
Bit 4
FE1
FE0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USBS1
TXEN1
USBS0
TXEN0
DOR1
DOR0
Bit 3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART1 Baud Rate Register High Byte
USART0 Baud Rate Register High Byte
UCSZ11
UCSZ12
UCSZ01
UCSZ02
Bit 2
UPE1
UPE0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UCSZ10
UCSZ00
RXB81
RXB80
Bit 1
U2X1
U2X0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
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-
-
-
-
-
-
-
-
-
-
UCPOL1
UCPOL0
MPCM1
MPCM0
TXB81
TXB80
Bit 0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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2593AS–AVR–06/05
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