8-Bit 4MHz RISC MCU, EPROM, SSOP-28, I2C, SPI, UART
8-Bit 4MHz PIC MCU, EPROM, 22 I/O, DIP-28
8-Bit MCU, 4MHz, 7KB OTP, I2C/SPI/UART, QFN
8-Bit RISC MCU, 4MHz, 7KB EPROM, SOIC, I2C/SPI/UART