8-Bit RISC MCU, 4MHz, EPROM, SOIC, 22 I/O, I2C, SPI, UART
8-Bit 4MHz PIC MCU, EPROM, SSOP, I2C/SPI/UART
8-Bit 4MHz PIC MCU, EPROM, 22 I/O, PDIP, 5V