ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 80

• 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

11.3.1
8011O–AVR–07/10
Alternate Functions of Port A
The Port A pins with alternate functions are shown in
Table 11-3.
• ADC7:0/PCINT7:0 – Port A, Bit 7:0
ADC7:0, Analog to Digital Converter, Channels 7:0
PCINT7:0, Pin Change Interrupt source 7:0: The PA7:0 pins can serve as external interrupt
sources.
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Port A Pins Alternate Functions
Alternate Function
ADC7 (ADC input channel 7)
PCINT7 (Pin Change Interrupt 7)
ADC6 (ADC input channel 6)
PCINT6 (Pin Change Interrupt 6)
ADC5 (ADC input channel 5)
PCINT5 (Pin Change Interrupt 5)
ADC4 (ADC input channel 4)
PCINT4 (Pin Change Interrupt 4)
ADC3 (ADC input channel 3)
PCINT3 (Pin Change Interrupt 3)
ADC2 (ADC input channel 2)
PCINT2 (Pin Change Interrupt 2)
ADC1 (ADC input channel 1)
PCINT1 (Pin Change Interrupt 1)
ADC0 (ADC input channel 0)
PCINT0 (Pin Change Interrupt 0)
ATmega164P/324P/644P
.
Table
11-3.
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