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Microchip ATMEGA644PA-AN
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Compliance
RoHS
Non-Compliant
Dimensions
Height
1.2 mm
Physical
Case/Package
TQFP
Supply Chain
Lifecycle Status
Production
Technical
Core Architecture
AVR
Data Bus Width
8 b
Frequency
20 MHz
Interface
2-Wire, SPI, UART, USART
Max Operating Temperature
105 °C
Max Supply Voltage
5.5 V
Memory Size
64 kB
Memory Type
FLASH
Min Operating Temperature
-40 °C
Min Supply Voltage
1.8 V
Number of A/D Converters
1
Number of ADC Channels
8
Number of I/Os
32
Number of PWM Channels
6
Number of SPI Channels
1
Number of Timers/Counters
2
Number of UART Channels
2
RAM Size
4 kB