8-Bit RISC MCU, 20MHz, 7KB EPROM, PLCC, I2C/SPI/UART
8-Bit RISC MCU, 20MHz, 7KB EPROM, TQFP, I2C, SPI, UART
8-Bit RISC MCU, 20MHz, EPROM, I2C, SPI, UART, PDIP
8-Bit RISC MCU, 20MHz, 7KB EPROM, 192B RAM, I2C/SPI/UART, PQFP44