8-bit AVR microcontroller featuring 64KB FLASH memory and an 8b data bus width. Operates at up to 20MHz with an internal oscillator. Supports I2C, SPI, and UART/USART interfaces, with 32 I/Os available. Includes peripherals such as Brown-out Detect/Reset, POR, PWM, and WDT. Operates from 2.7V to 5.5V supply voltage, with a temperature range of -40°C to 85°C. Packaged in a 44-pin VQFN, supplied on tape and reel.
Frequency20MHz
PackageVQFN
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Technical Specifications
Microchip ATMEGA644P-20MUR technical specifications.
General
| Package/Case | VQFN |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Number of I/Os | 32 |
| Oscillator Type | Internal |
| Package Quantity | 4000 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RoHS Compliant | Yes |
| Series | AVR® ATmega |
Compliance
| RoHS | Compliant |
Datasheet
Microchip ATMEGA644P-20MUR Datasheet
Download the complete datasheet for Microchip ATMEGA644P-20MUR to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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