ATMEGA644V-10MUR Atmel, ATMEGA644V-10MUR Datasheet - Page 73

• Manufacturer Part Number: ATMEGA644V-10MUR
• Description: MCU AVR 64K FLASH 10MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644V-10MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.3.1
2593N–AVR–07/10
Alternate Functions of Port A
The Port A has an alternate function as the address low byte and data lines for the External
Memory Interface.
Table 12-3.
• 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)
.
ATmega644
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