ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 409

• 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

32.12 Current Consumption in Reset and Reset Pulsewidth
2549N–AVR–05/11
Figure 32-45. Programming Current vs. V
Figure 32-46. Reset Supply Current vs V
0.35
0.25
0.15
0.05
0.3
0.2
0.1
16
14
12
10
0
8
6
4
2
0
1.5
0
Reset Pull-up)
0.1
2
0.2
2.5
ATmega640/1280/1281/2560/2561
0.3
3
0.4
CC
Frequency (MHz)
CC
(0.1MHz - 1.0MHz, Excluding Current Through The
V
CC
0.5
3.5
(V)
0.6
4
0.7
4.5
0.8
5
0.9
5.5
1
-40°C
5.5V
5.0V
4.5V
4.0V
3.3V
2.7V
1.8V
25°C
85°C
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