ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 388

• 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

32.2
2549N–AVR–05/11
Idle Supply Current
Figure 32-6. Idle Supply Current vs. Low Frequency (0.1MHz - 1.0MHz)
Figure 32-7. Idle Supply Current vs. Frequency (1MHz - 16MHz)
0.6
0.5
0.4
0.3
0.2
0.1
0
8
7
6
5
4
3
2
1
0
0
0
0.1
2
0.2
4
1.8V
ATmega640/1280/1281/2560/2561
0.3
6
0.4
Frequency (MHz)
Frequency (MHz)
0.5
8
3.3V
2.7V
0.6
10
0.7
12
0.8
4.0V
14
0.9
16
1
5.5V
5.0V
4.5V
4.0V
3.3V
2.7V
1.8V
5.5V
5.0V
4.5V
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