Microchip ATMEGA644P-20PQ
Product Details
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Compliance
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RoHS
Compliant
Dimensions
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Height
4.826 mm
Physical
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Case/Package
DIP
Contact Plating
Tin
Mount
Through Hole
Number of Pins
40
Supply Chain
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Lifecycle Status
Production
Technical
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Core Architecture
AVR
Data Bus Width
8 b
Frequency
20 MHz
Interface
2-Wire, I2C, SPI, UART, USART
Max Frequency
20 MHz
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 A/D Converters
1
Number of ADC Channels
8
Number of I/Os
32
Number of I2C Channels
1
Number of Programmable I/O
32
Number of PWM Channels
6
Number of SPI Channels
1
Number of Timers/Counters
3
Number of UART Channels
2
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
4 kB