P89C51X2-52X2-54X2-58X2 Chinese User Guide

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P89C51X2-52X2-54X2-58X2 Chinese User Guide [Copy link]

This series of microcontrollers adopts high-performance static 80C51 design, manufactured by advanced CMOS technology and non-volatile Flash program memory. All support 12-clock and 6-clock operation.
P89C51X2/P89C52X2/54X2/58X2 contain 128 bytes and 256 bytes of RAM, 32 I/O lines, 3 16-bit timer counters, 6-input 4-priority nested structure, 1 serial IO port (can be used for multi-machine communication, IO expansion or full-duplex UART) and on-chip oscillator and clock circuit