8-Bit RISC MCU, 20MHz, 7KB EPROM, SSOP-28, I2C/SPI/UART
8-Bit 20MHz RISC MCU, 7KB EPROM, SOIC, I2C/SPI/UART
8-Bit 20MHz RISC MCU, EPROM, I2C/SPI/UART, PDIP-28
8-Bit MCU, 7KB OTP, 20MHz, I2C/SPI/UART, VQFN