8-Bit RISC MCU, 20MHz, 7KB EPROM, TQFP, I2C/SPI/UART
8-Bit RISC MCU, 20MHz, EPROM, QFP, I2C, SPI, UART
8-Bit RISC MCU, 20MHz, EPROM, I2C/SPI/UART, PLCC