5Pcs ATMEGA644PA-AU 8-bit Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash TQFP-44Packing List 5 Pcs 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) 1. 8V ~ 5. 5V Data Converters A D 8x10b Oscillator Type Internal Operating Temperature 40C ~ 85C (TA) Mounting Type Surface Mount Supplier Device Package 44 TQFP
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