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Microchip ATMEGA328P-MMHR
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Compliance
RoHS
Compliant
Dimensions
Height
1 mm
Physical
Case/Package
SOIC
Contact Plating
Gold
Mount
Surface Mount
Number of Pins
28
Supply Chain
Lifecycle Status
Production
Technical
Core Architecture
AVR
Data Bus Width
8 b
Frequency
20 MHz
Interface
I2C, SPI, USART
Max Frequency
20 MHz
Max Operating Temperature
85 °C
Max Supply Voltage
5.5 V
Memory Size
32 kB
Memory Type
FLASH
Min Operating Temperature
-40 °C
Min Supply Voltage
1.8 V
Number of ADC Channels
8
Number of I/Os
23
Number of I2C Channels
1
Number of Programmable I/O
23
Number of SPI Channels
2
Number of Timers/Counters
3
Number of UART Channels
1
Oscillator Type
External
Packaging
Cut Tape
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
2 kB
Watchdog Timer
Yes