8-bit MCU, 20MHz, 3KB OTP, 72B RAM, 20 I/O, PDIP
8-bit PIC MCU, 3KB OTP, 20 I/O, RS-232, SOIC
8-Bit RISC MCU, 20MHz, 2KB EPROM, PDIP-28
8-Bit MCU, 2KB EPROM, 40MHz, RS-232, SSOP
