ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 362

• 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

8011O–AVR–07/10
Figure 26-46. Reset Supply Current vs. Frequency (1 MHz - 20 MHz).
Figure 26-47. Minimum Reset Pulsewidth vs. V
2500
2000
1500
1000
500
4.5
3.5
2.5
1.5
0.5
0
4
3
2
1
0
1.5
0
2
2
4
1.8V
2.5
6
3
8
Frequency (MHz)
V
CC
3.5
10
CC
(V)
2.7V
ATmega164P/324P/644P
.
12
3.3V
4
14
4.5
16
4.0V
5
18
5.5
20
-40°C
5.5V
5.0V
4.5V
85°C
25°C
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