一份非常完整的51单片机与P/S2键盘的通信程序，含有大量注释，不错的。...

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伟福 WAVE6000 环境下 MCS51汇编调用C51例程-Wei Fu WAVE6000 environment MCS51 compilation called C51 routines

STC89C58RD+系列软件实现spi-STC89C58RD+ Series software spi

YM12864R 汉字图形点阵液晶显示模块，可显示汉字及图形，内置8192 个中文汉字（16X16 点阵）、128 个字符（8X16 点阵）及64X256 点阵显示RAM（GDRAM）。-YM12864R characters dot matrix graphics LCD module can display characters and graphics, built-in 8192 Chinese characters (16X16 dot matrix), 128 characters (8X16 lattice) and 64X256 dot-matrix display RAM (GDRAM).

FM1808是一种掉电可保存的RAM存储器,应用很广泛.-FM1808 is a power-off kept in RAM memory, which is widely used.

这是一个单片机与MFRC522通信的程序，采用C语言编写。-This is a single-chip microcomputer with MFRC522 communications procedures, the use of C language.

是一个用8051＋ds12887的代码程序，程序中有很详细的说明，可以拿来稍做修改就能使用。-is using a 8051+ ds12887 code procedure is a very detailed explanation can be used to make slight changes can be used.

ISD4004程序的说明书及C语言驱动程序包-ISD4004 procedures manual and the C language driver package

由sEOS简化来得，应用于51的简单OS，主要是时间的管理，没有更多的功能，但是分实用-sEos by more simplified, for the simple 51 OS, is time management, no more functional, but the practical points

利用8051单片机的定时系统进行年月日的显示-use of the 8051 regular system of the date indicated