The XC8221FRIAAFXUMA1 with 8-bit Microcontrollers - MCU 8 BIT FLASH manufactured by Infineon is a low-cost 8-bit microcontroller based on the Infineon XC8221 Platform. It features an 8-bit CPU with a maximum clock speed of 32MHz. It also features 8KB of flash memory, 2KB of RAM, and up to 16KB of additional program code stored in external memory, making this microcontroller ideal for low power, low-cost, and low-volume applications. The XC8221FRIAAFXUMA1 also supports advanced I/O functions, including two 12-bit A/D converters, two 12-bit D/A converters, two Pulse-width Modulators, an I2C controller, an SPI controller, an I2S controller, and a 1-wire controller. In addition, the microcontroller has enhanced interrupt handling, a power-down sleep mode and other system features to enable maximum performance and flexibility.