ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 80

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

80
ATmega164P/324P/644P
Table 12-4 on page 80
overriding signals shown in
Table 12-4.
Table 12-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PA7/ADC7/
PCINT7
0
0
0
0
0
0
PCINT7 • PCIE0 +
ADC7D
PCINT7 • PCIE0
PCINT7 INPUT
ADC7 INPUT
PA3/ADC3/
PCINT3
0
0
0
0
0
0
PCINT3 • PCIE0 +
ADC3D
PCINT3 • PCIE0
PCINT3 INPUT
ADC3 INPUT
Overriding Signals for Alternate Functions in PA7:PA4
Overriding Signals for Alternate Functions in PA3:PA0
and
Table 12-5 on page 80
Figure 12-5 on page
PA6/ADC6/
PCINT6
0
0
0
0
0
0
PCINT6 • PCIE0 +
ADC6D
PCINT6 • PCIE0
PCINT6 INPUT
ADC6 INPUT
PA2/ADC2/
PCINT2
0
0
0
0
0
0
PCINT2 • PCIE0 +
ADC2D
PCINT2 • PCIE0
PCINT2 INPUT
ADC2 INPUT
77.
relates the alternate functions of Port A to the
PA5/ADC5/
PCINT5
0
0
0
0
0
0
PCINT5 • PCIE0 +
ADC5D
PCINT5 • PCIE0
PCINT5 INPUT
ADC5 INPUT
PA1/ADC1/
PCINT1
0
0
0
0
0
0
PCINT1 • PCIE0 +
ADC1D
PCINT1 • PCIE0
PCINT1 INPUT
ADC1 INPUT
PA4/ADC4/
PCINT4
0
0
0
0
0
0
PCINT4 • PCIE0 +
ADC4D
PCINT4 • PCIE0
PCINT4 INPUT
ADC4 INPUT
PA0/ADC0/
PCINT0
0
0
0
0
0
0
PCINT0 • PCIE0 +
ADC0D
PCINT0 • PCIE0
PCINT0 INPUT
ADC0 INPUT
7674F–AVR–09/09