8-Bit RISC MCU, 20MHz, 7KB MROM, 33 I/O, PLCC
8-Bit RISC MCU, 20MHz, 7KB OTP, I2C, SPI, UART, PLCC
8-Bit 20MHz RISC MCU, 3.5KB OTP, 33 I/O, I2C/SPI/USART, PLCC
8-Bit RISC MCU, 20MHz, 7KB EPROM, I2C, SPI, UART, PLCC