The ATTINY212-SSNR is a Flash-based 8-bit microcontroller from Microchip with low-power and high-performance capabilities. It has an 8-bit AVR RISC-based core with 8K bytes of in-system self-programmable Flash memory, 256 bytes of EEPROM memory, and 1K bytes of SRAM. This microcontroller also features SPI, USI, and USART serial interfaces, up to four 10-bit ADC channels, an analog comparator, PWM timers, programmable watchdog timer and more. There are 20 programmable I/O lines and up to 20MHz of operation. It also includes an internal oscillator, internal calibration oscillator, and power-on reset circuitry.