8-bit MCU, 80C51, 33MHz, 8KB OTP, 512B RAM, PLCC
8-bit MCU, 33MHz, 64KB OTP/EPROM, 1KB RAM, PLCC, 32 I/O
8-bit MCU 33MHz 16KB EPROM 512B RAM 32 I/O PLCC
80C51 MCU 8-Bit 33MHz 8KB OTP 512B RAM 44PLCC
