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Microchip ATMEGA644P-A15MZ
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Compliance
RoHS
Compliant
Physical
Case/Package
QFN EP
Contact Plating
Tin
Mount
Surface Mount
Number of Pins
44
Supply Chain
Lifecycle Status
Production
Technical
Core Architecture
AVR
Data Bus Width
8 b
Frequency
16 MHz
Interface
2-Wire, I2C, SPI, UART, USART
Max Frequency
16 MHz
Max Operating Temperature
125 °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
Number of Programmable I/O
32
Number of Timers/Counters
3
Oscillator Type
Internal
Packaging
Tape & Reel (TR)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
4 kB
Watchdog Timer
Yes