8-bit 80C51 CISC MCU, 32KB Flash, 40MHz, 44-Pin PLCC SMT
8-bit 80C51 MCU, 40MHz, 64KB Flash, 1KB RAM, SPI, UART, 32 I/O, PLCC
8-bit 40MHz 32KB FLASH MCU, LCC, SPI, UART, 32 I/O
8-bit 80C51 CISC MCU, 32KB Flash, 512B RAM, 33MHz, 44-Pin PLCC
