8-Bit MCU, 33MHz, FLASH, 8051 CPU, 44-Pin PQCC
8-Bit 8051 Microcontroller, 36KB FLASH, 256B RAM, 33MHz, PLCC
32KB 8051 Microcontroller, 8b Data Bus, UART, 33MHz, TQFP
8-Bit 8051 Microcontroller, 36KB FLASH, 256B RAM, UART, 33MHz, PDIP