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This is 8bit AVR Microcontroller 20MHz 64 kB Flash 44-Pin VQFN manufactured by Atmel. The manufacturer part number is ATMEGA644PA-MU. The given dimensions of the product include 7.1 x 7.1 x 0.95mm. Moreover, it comprises 1 I2C channels. It contains 2 USART channels. Furthermore, the product is 7.1mm 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. Additionally, it is composed of 8 ADC channels. It comprises 3 timers. 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 vqfn. It features 20mhz of maximum frequency. It has a maximum operating temperature of +85 °c. It is also composed of 2 UART channels. The product belongs to a family atmega. On the other hand, the avr is the device core. The ADC has 10bit resolution. The timer has 8 bit, 16 bit resolution. Timers options include 1 x 16 bit, 2 x 8 bit. 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 includes 6 PWM channels . Its accurate length is 7.1mm. In addition, the height is 0.95mm. It has 5.5 v of typical operating supply voltage. The ADCs included 1 (8 x 10 bit). Whereas, the minimum operating temperature of the product is -40 °c. Furthermore, it is composed of 3 SPI channels. It is assigned with possible HTSUS value of 8542.31.0001. In addition, 64kb (32k x 16) is the program memory size. 32 is the I/O value of the product. The product has -40°c ~ 85°c (ta) operating temperature range. The supply voltage of a bespoke product includes 1.8v ~ 5.5v. Moreover, the product comes in 44-vfqfn exposed pad. The product has typical 4k x 8 RAM size. It has supplied with other peripherals, such as brown-out detect/reset, por, pwm, wdt. It is a flash program memory type. It provides connectivity solutions through i²c, spi, uart/usart. It is shipped in bulk package . Furthermore, 2k x 8 is the typical EEPROM size of the product. The product is a internal type of oscillator. It has a core size 8-bit. The product avr® atmega, is a highly preferred choice for users. 44-vqfn (7x7) is the supplier device package value. The typical data converters include a/d 8x10b. avr is the product's core processor. It has a robust speed of 20mhz. Moreover, it corresponds to atmega644, a base product number of the product. The product is designated with the ear99 code number.
For more information please check the datasheets.
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