8-Bit MCU, 40MHz, FLASH, 32KB ROM, 256B RAM, 34 I/O, PQFP44
8-Bit MCU, 40MHz, FLASH, 32KB ROM, 256B RAM, 44-Pin PQCC
80C51 32KB FLASH 40MHz LQFP Surface Mount Microcontroller
32KB 8051 Microcontroller with 1280B RAM, 34 I/Os, External Oscillator