8-Bit 4MHz RISC MCU, 7KB EPROM, PDIP-28, I2C/SPI/UART
8-Bit RISC MCU, 4MHz, OTP, I2C/SPI/USART, PDIP28
8-Bit 4MHz PIC MCU, DIP-28, 7KB OTP, I2C, SPI, UART