8-Bit RISC MCU, 20MHz, 7KB OTP, QFP, I2C, SPI, UART
8-Bit RISC MCU, 20MHz, 7KB EPROM, TQFP, I2C, SPI, UART
8-Bit RISC MCU, 20MHz, 7KB OTP, 33 I/O, PLCC