8-Bit RISC MCU, 4MHz, 7KB MROM, 192B RAM, I2C/SPI/USART, QFP
8-Bit 4MHz RISC MCU, 7KB OTP, 33 I/O, I2C/SPI/UART, PLCC
8-Bit 4MHz RISC MCU, PIC Core, 7KB OTP, PDIP-40
8-Bit MCU, 7KB OTP, 20MHz, I2C/SPI/UART, 44-TQFP