8-Bit RISC MCU, 20MHz, 7KB EPROM, SOIC-28, I2C/SPI/UART
8-Bit MCU, 7KB OTP, 20MHz, 22 I/O, I2C, SPI, UART, 28SOIC
8-Bit 20MHz RISC MCU, EPROM, I2C/SPI/UART, SOIC-28
