ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 13

• Manufacturer Part Number: ATmega1281R231
• Manufacturer: Atmel Corporation

Specifications of ATmega1281R231

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 16 MHz
• Max I/o Pins: 54
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Crypto Engine: AES
• Sram (kbytes): 8
• Eeprom (bytes): 4096
• Operating Voltage (vcc): 1.8 to 3.6
• Timers: 6
• Frequency Band: 2.4 GHz
• Max Data Rate (mb/s): 2
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -101
• Receive Current Consumption (ma): 13.2
• Transmit Current Consumption (ma): 14.4
• Link Budget (dbm): 104

2549NS–AVR–05/11
Address
(0x100)
(0xFD)
(0xFC)
(0xEE)
(0xED)
(0xEC)
(0xEB)
(0xEA)
(0xDF)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xCF)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xFF)
(0xFE)
(0xFB)
(0xFA)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
(0xEF)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
(0xBF)
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
UBRR2H
UCSR2C
UCSR2B
UCSR2A
UBRR1H
UCSR1C
UCSR1B
UCSR1A
UBRR0H
UCSR0C
UCSR0B
UCSR0A
UBRR2L
UBRR1L
UBRR0L
Name
UDR2
UDR1
UDR0
PINH
UMSEL21
UMSEL11
UMSEL01
RXCIE2
RXCIE1
RXCIE0
Bit 7
PINH7
RXC2
RXC1
RXC0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
UMSEL20
UMSEL10
UMSEL00
TXCIE2
TXCIE1
TXCIE0
Bit 6
PINH6
TXC2
TXC1
TXC0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
UDRIE2
UDRIE1
UDRIE0
UDRE2
UDRE1
UDRE0
UPM21
UPM11
UPM01
PINH5
Bit 5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART2 Baud Rate Register Low Byte
USART1 Baud Rate Register Low Byte
USART0 Baud Rate Register Low Byte
UPM20
RXEN2
UPM10
RXEN1
UPM00
RXEN0
USART2 I/O Data Register
USART1 I/O Data Register
USART0 I/O Data Register
Bit 4
PINH4
FE2
FE1
FE0
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
ATmega640/1280/1281/2560/2561
USBS2
TXEN2
USBS1
TXEN1
USBS0
TXEN0
Bit 3
PINH3
DOR2
DOR1
DOR0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
USART2 Baud Rate Register High Byte
USART1 Baud Rate Register High Byte
USART0 Baud Rate Register High Byte
UCSZ21
UCSZ22
UCSZ11
UCSZ12
UCSZ01
UCSZ02
Bit 2
PINH2
UPE2
UPE1
UPE0
-
-
-
-
-
-
-
-
-
-
-
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-
UCSZ20
UCSZ10
UCSZ00
RXB82
RXB81
RXB80
PINH1
Bit 1
U2X2
U2X1
U2X0
-
-
-
-
-
-
-
-
-
-
-
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-
-
UCPOL2
UCPOL1
UCPOL0
MPCM2
MPCM1
MPCM0
TXB82
TXB81
TXB80
Bit 0
PINH0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
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