8-bit MCU, 24MHz, 16KB Flash, 50 GPIO, QFN, I2C, SPI, USB, UART
8-bit MCU, 24MHz, 16KB Flash, 1KB RAM, 50 GPIO, QFN EP
8-bit MCU, 24MHz, 16KB Flash, 1KB RAM, 50 GPIO, QFN, I2C/SPI/USB/UART