Altium Eagle OrCad PADS KiCad 
ATMEGA644P-20MU
IC MCU 8BIT 64KB FLASH 44VQFN
NOVA Part#:
343-2973046-ATMEGA644P-20MU
Manufacturer:
Manufacturer Part No:
ATMEGA644P-20MU
Standard Package:
360
Technical Datasheet:
Available download format
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AVR series Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
| Category | Embedded - Microcontrollers | |
| Package case | 44-VFQFN Exposed Pad | |
| Manufacturer | Microchip Technology | |
| RoHS | 1 | |
| Core Processor | AVR | |
| Speed | 20MHz | |
| RAM Size | 4K x 8 | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Supplier Device Package | 44-VQFN (7x7) | |
| Base Product Number | ATMEGA644 | |
| Core Size | 8-Bit | |
| Connectivity | I²C, SPI, UART/USART | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | |
| Number of I/O | 32 | |
| Program Memory Size | 64KB (32K x 16) | |
| Program Memory Type | FLASH | |
| EEPROM Size | 2K x 8 | |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | |
| Data Converters | A/D 8x10b | |
| Oscillator Type | Internal | |
| Other Names | 2266-ATMEGA644P-20MU ATMEGA644P20MU |
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