8-Bit 20MHz RISC MCU, 7KB MROM, 192B RAM, I2C/SPI/UART, QFP
8-Bit 20MHz RISC MCU, PIC Core, 7KB MROM, 33 I/O, PLCC
8-Bit RISC MCU, 20MHz, 7KB MROM, 33 I/O, PDIP-40
8-Bit MCU, 20MHz, 7KB OTP, I2C, SPI, UART, 44-TQFP