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MICROCHIP ATMEGA644P-20AQR
Product Details
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RoHS
Compliant
Mount
Surface Mount
Lifecycle Status
Production (Last Updated: 4 years ago)
Contact Plating
Tin
Case/Package
TQFP
Packaging
Cut Tape
Interface
I2C, SPI, UART, USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Memory Type
FLASH, OTP
Watchdog Timer
Yes
Core Architecture
AVR
Number of Pins
44
Number of I/Os
22
Memory Size
7 B
Max Frequency
20000000 Hz
Data Bus Width
8 b
Min Supply Voltage
2.7 V
Max Supply Voltage
5.5 V