ATMEGA644V-10MUR Atmel, ATMEGA644V-10MUR Datasheet - Page 80

• 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

12.3.4
80
ATmega644
Alternate Functions of Port D
Table 12-11. Overriding Signals for Alternate Functions in PC3:PC0
The Port D pins with alternate functions are shown in
Table 12-12. Port D Pins Alternate Functions
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PC3/TMS/
PCINT19
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
PCINT19 INPUT
TMS INPUT
Alternate Function
OC2A (Timer/Counter2 Output Compare Match A Output)
PCINT31 (Pin Change Interrupt 31)
ICP1 (Timer/Counter1 Input Capture Trigger)
OC2B (Timer/Counter2 Output Compare Match B Output)
PCINT30 (Pin Change Interrupt 30)
OC1A (Timer/Counter1 Output Compare Match A Output)
PCINT29 (Pin Change Interrupt 29)
OC1B (Timer/Counter1 Output Compare Match B Output)
PCINT28 (Pin Change Interrupt 28)
INT1 (External Interrupt1 Input)
PCINT27 (Pin Change Interrupt 27)
INT0 (External Interrupt0 Input)
PCINT26 (Pin Change Interrupt 26)
TXD0 (USART0 Transmit Pin)
PCINT25 (Pin Change Interrupt 25)
RXD0 (USART0 Receive Pin)
PCINT24 (Pin Change Interrupt 24)
PC2/TCK/
PCINT18
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
1
PCINT18 INPUT
TCK INPUT
Table
PC1/SDA/
PCINT17
TWEN
PORTC1 • PUD
TWEN
0
TWEN
SDA OUT
PCINT17 • PCIE2
1
PCINT17 INPUT
SDA INPUT
12-12.
PC0/SCL/
PCINT16
TWEN
PORTC0 • PUD
TWEN
0
TWEN
SCL OUT
PCINT16 • PCIE2
1
PCINT16 INPUT
SCL INPUT
2593N–AVR–07/10