ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 97

• 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

2549N–AVR–05/11
Table 13-30. Port K Pins Alternate Functions (Continued)
• ADC15:8/PCINT23:16 – Port K, Bit 7:0
ADC15:8, Analog to Digital Converter, Channel 15 - 8.
PCINT23:16, Pin Change Interrupt Source 23:16. The PK7:0 pins can serve as External Inter-
rupt Sources.
Table 13-31. Overriding Signals for Alternate Functions in PK7:PK4
Signal Name
Port Pin
DIEOE
DIEOV
DDOE
PUOE
PUOV
DDOV
PVOE
PVOV
PTOE
PK4
PK3
PK2
PK1
PK0
AIO
DI
PCINT23 • PCIE2
PCINT23 INPUT
ADC15 INPUT
PK7/ADC15/
PCINT23
ADC12/PCINT20 (ADC Input Channel 12 or Pin Change Interrupt 20)
ADC11/PCINT19 (ADC Input Channel 11 or Pin Change Interrupt 19)
ADC10/PCINT18 (ADC Input Channel 10 or Pin Change Interrupt 18)
ADC8 /PCINT16 (ADC Input Channel 8 or Pin Change Interrupt 16)
ADC9/PCINT17 (ADC Input Channel 9 or Pin Change Interrupt 17)
0
0
0
0
0
0
–
1
ATmega640/1280/1281/2560/2561
PCINT22 • PCIE2
PCINT22 INPUT
ADC14 INPUT
PK6/ADC14/
PCINT22
0
0
0
0
0
0
–
1
Alternate Function
PCINT21 • PCIE2
PCINT21 INPUT
ADC13 INPUT
PK5/ADC13/
PCINT21
0
0
0
0
0
0
–
1
PCINT20 • PCIE2
PCINT20 INPUT
ADC12 INPUT
PK4/ADC12/
PCINT20
0
0
0
0
0
0
–
1
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