8-Bit RISC MCU, 20MHz, 7KB EPROM, I2C/SPI/USART, QFP
8-Bit RISC MCU, 20MHz, 7KB EPROM, I2C/SPI/UART, PLCC
8-Bit MCU, 7KB OTP, 20MHz, I2C/SPI/UART, 44-TQFP