Microchip Technology, Inc. Microcontrollers ATMEGA809-AFR

The ATmega809-AFR is an 8-bit microcontroller from the megaAVR¬Æ 0-series by Quarktwin Technology Ltd. It operates at a maximum frequency of 20 MHz and features 8 KB of Flash memory, 1 KB of SRAM, and 256 bytes of EEPROM. This microcontroller is available in a 48-pin TQFP package and supports a supply voltage range of 1.8 to 5.5 V, making it suitable for various applications, including those requiring functional safety. The ATmega809-AFR includes multiple peripherals such as three USART interfaces, one SPI interface, and one TWI (I2C) interface. It also features a real-time counter and several timer/counter options, enhancing its capability for time-sensitive applications. The device supports an event system and has a low-power architecture, which is beneficial for battery-operated devices. Additionally, it is designed to operate in extended temperature ranges from -40¬8C to +125¬8C, making it suitable for industrial and automotive applications.