8-Bit 20MHz PIC MCU, 7KB EPROM, SSOP, I2C, SPI, UART
8-Bit 20MHz PIC MCU, 7KB OTP, SOIC, 22 I/O, I2C/SPI/UART
8-Bit 20MHz RISC MCU, OTP, I2C, SPI, UART, DIP-28