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This is 8bit AVR Microcontroller 20MHz 2 kB 64 kB Flash 44-Pin TQFP manufactured by Microchip. The manufacturer part number is ATMEGA644A-AU. The given dimensions of the product include 10.1 x 10.1 x 1.05mm. Moreover, it comprises 1 I2C channels. It contains 2 USART channels. The product integrates 0 USB channels. Furthermore, the product is 10.1mm wide. In addition, 64 kb is the program memory size. Furthermore, it is composed of 1 PWM units. The product has typical 4 kb RAM size. Moreover, the data bus width includes 8bit. The instruction set has risc architecture. It is a flash program memory type. The package is a sort of tqfp. It features 20mhz of maximum frequency. It contains 0 PCI channel . It includes 0 dedicated LIN channels . It has a maximum operating temperature of +85 °c. It is also composed of 2 UART channels. Whereas, the minimum operating temperature of the product is -40 °c. Moreover, the product includes 0 maximum ethernet channels . The product belongs to a family atmega644a. On the other hand, the avr is the device core. Its accurate length is 10.1mm. It contains 1 ADC units. It contains 44 pins. The product carries 1 (6 channel) of pulse width modulation. The product is available in surface mount configuration. It contains 0 dedicated ethernet channels . In addition, the height is 1.05mm. It has 1.8 → 5.5 v of typical operating supply voltage. The ADCs included 8 x 10 bit. Moreover, it consists of 0 CAN channels. Furthermore, it is composed of 3 SPI channels.
For more information please check the datasheets.
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