8-Bit RISC MCU, 20MHz, EPROM, I2C/SPI/USART, PLCC
8-Bit MCU, 20MHz, 3.5KB OTP, I2C/SPI/USART, 44TQFP
8-Bit RISC MCU, 20MHz, EPROM, I2C/SPI/USART, QFP