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Description
Features. High-performance, Low-power Atmel AVR 8-bit Microcontroller. Advanced RISC Architecture. 131 Powerful Instructions Most Single-clock Features. High-performance, Low-power Atmel AVR 8-bit Microcontroller. Advanced RISC Architecture. 131 Powerful Instructions Most Single-clock Industrial. (-40oC to 85oC). 20. 2.7V - 5.5V. ATmega644P-20AU . ATmega644P- 20AUR(3). ATmega644P-20PU. ATmega644P-20MU. ATmega644P-20MUR(3).
| Part Number | ATMEGA644P20AU |
| Main Category | Integrated Circuits (ICs) |
| Sub Category | Embedded - Microcontrollers |
| Brand | Atmel Corporation |
| Description | IC MCU 8BIT 64KB FLASH 44TQFP |
| Series | AVR ATmega |
| Packaging | Tray |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²ÂC, 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 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7 V ~ 5.5 V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 44-TQFP |
| Supplier Device Package | 44-TQFP (10x10) |
| Image |  |
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