ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 182

• Manufacturer Part Number: ATmega644R212
• Manufacturer: Atmel Corporation

Specifications of ATmega644R212

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Max I/o Pins: 32
• Spi: 3
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Crypto Engine: AES
• Sram (kbytes): 4
• Eeprom (bytes): 2048
• Operating Voltage (vcc): 1.8 to 3.6
• Timers: 3
• Frequency Band: 700/800/900MHz
• Max Data Rate (mb/s): 1
• Antenna Diversity: No
• External Pa Control: Yes
• Power Output (dbm): 10
• Receiver Sensitivity (dbm): -110
• Receive Current Consumption (ma): 9.0
• Transmit Current Consumption (ma): 18 at 5dBm
• Link Budget (dbm): 120

21.4.4
8111C–MCU Wireless–09/09
TX_BUSY state
Figure 21-6. Current Consumption in RX_ON State - Reduced Sensitivity
Figure 21-7. Current Consumption in TX_BUSY State - Minimum Output Power
18
16
14
12
10
14
13
12
11
10
0
8
6
4
2
0
9
8
7
6
5
4
3
2
1
1.6
1.6
1.8
1.8
2.0
2.0
2.2
2.2
2.4
2.4
EVDD [V]
EVDD [V]
2.6
2.6
2.8
2.8
3.0
3.0
3.2
3.2
3.4
3.4
AT86RF231
3.6
3.6
3.8
3.8
125 °C
125 °C
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
0 °C
0 °C
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