8-bit microcontroller (MCU) featuring 32KB Flash memory and 2KB RAM. Operates at up to 20MHz with an 8-bit data bus. Offers 23 programmable I/O pins, supporting I2C, SPI, and UART interfaces. Includes 8 ADC channels, 3 timers/counters, and peripherals like WDT and PWM. Operates from 1.8V to 5.5V, with a temperature range of -40°C to 85°C. Surface mountable in a SOIC package with gold contact plating.
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Microchip ATMEGA328P-MMHR technical specifications.
| Package/Case | SOIC |
| Contact Plating | Gold |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Height | 1mm |
| Interface | I2C, SPI, UART, USART |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 32KB |
| Memory Type | OTP, , FLASH |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| 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 | Internal |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, WDT, PWM |
| RAM Size | 2KB |
| RoHS Compliant | Yes |
| Series | PIC® 16C |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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