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Microchip ATMEGA644P-20MUR
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Compliance
Lead Free
Lead Free
RoHS
Compliant
Physical
Case/Package
QFN
Supply Chain
Lifecycle Status
Production
Technical
Core Architecture
AVR
Data Bus Width
8 b
Frequency
20 MHz
Interface
I2C, SPI, UART, USART
Max Operating Temperature
85 °C
Max Supply Voltage
5.5 V
Memory Size
64 kB
Memory Type
FLASH
Min Operating Temperature
-40 °C
Min Supply Voltage
2.7 V
Number of I/Os
32
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT