8-bit microcontroller featuring 64KB FLASH memory and a 20MHz internal oscillator. Supports I2C, SPI, and UART/USART interfaces. Operates within a 2.7V to 5.5V supply voltage range and a -40°C to 85°C temperature range. Includes peripherals such as Brown-out Detect/Reset, POR, PWM, and WDT. Lead-free and RoHS compliant.
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Microchip ATMEGA644P-20AUR technical specifications.
| Frequency | 20MHz |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.7V |
| Oscillator Type | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RoHS Compliant | Yes |
| RoHS | Compliant |
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