8-Bit RISC MCU, 20MHz, 7KB EPROM, QFP, I2C, SPI, UART
8-Bit RISC MCU, 20MHz, EPROM, QFP, I2C, SPI, UART, 33 I/O
8-Bit MCU, 7KB EPROM, 20MHz, 44MQFP, I2C, SPI, UART
