ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 354

• 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

26.1.10
8011O–AVR–07/10
BOD Threshold
Figure 26-30. Reset Input Hysteresis vs. V
Figure 26-31. BOD Threshold vs. Temperature (Bodlevel is 4.3V).
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.5
4.6
4.5
4.4
4.3
4.2
4.1
4
-60
2
-40
2.5
-20
3
0
CC
Temperature (°C)
.
V
CC
3.5
(V)
ATmega164P/324P/644P
20
4
40
Falling V
Rising V
4.5
60
CC
CC
5
80
5.5
-40°C
100
25°C
85°C
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