AT89S51 说明书 使用手册 EN
The AT89S51 provides the following standard features: 4K bytes of Flash, 128 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, two 16-bit timer/counters, a five-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the
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资料不错虽是一款很古老的芯片了,但是初学者还是需要这些文档的,感谢分享~