加速8位单片机在3-V领域的应用 NXP 3- and 5-V 80C51-based Flash microcontrollers P89(L)V51Rx2 Accelerated 8-bit MCUs for 3- and 5-V applications Designed for power-sensitive, low-cost applications, these accelerated microcontrollers deliver performance twice that of standard 80C51-based MCUs Key features These 8-bit microcontrollers have an X2 option that lets the 4 Accelerated 80C51 CPU application run at twice the conventional 80C51 clock rate. 4 Up to 64 KB of Code Flash ……