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