8-Bit 20MHz RISC MCU, 7KB Flash, I2C/SPI/UART, SOIC
8-Bit RISC MCU, 20MHz, 7KB EPROM, SSOP-28, I2C/SPI/UART
8-Bit MCU, 20MHz, 7KB OTP, I2C, SPI, UART, VQFN