ATMEGA644-20AU
- Description：
- IC MCU 8BIT 64KB FLASH 44TQFP
- Manufacturer：
- Atmel
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Product Information
- Category
- Embedded - Microcontrollers
- Packaging
- Tray
- Series
- AVR® ATmega
- Core Processor
- AVR
- Core Size
- 8-Bit
- Speed
- 20MHz
- 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
- 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
- Package / Case
- 44-TQFP
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