modbusx协议仿真，研究好仪表Modbus

VB写PC端ISP程序W78E516UpdataOfVB,请配合本人用C51写的华邦8位单片机ISP程序w78e516_ISPofC51使用-ISP client PC to write VB program W78E516UpdataOfVB, please write with the C51 I used the 8-bit single chip Winbond w78e516_ISPofC51 the use of ISP program

请将下载的2个插件内容拷贝到uVision 的安装目录下的 KeilC51BIN 中 2. 修改 Tool.ini, 此文件位于 uVision 的安装目录 keil 下. 请将下面的内容 添加到 [C51] 部分的后面. AGSI1=ledkey.dll ("ledkey") AGSI2=simboard.dll ("simboard") 3. 重启uVsion. 进入Debug 模式, 打开菜单Peripheral, 发现增加了2项 分别是键盘LED仿真板，51实验仿真板。-Please download the contents of two plug-ins are copied to the installation directory uVision under KeilC51BIN 2. Modify Tool.ini, this file is located in the installation directory uVision under keil. Please Add the following line to [C51] part of the back. AGSI1 = ledkey.dll (ledkey) AGSI2 = simboard.dll (simboard) 3. Reset uVsion. entered the Debug mode, open the menu Peripheral, found an increase of 2 are keyboard LED emulation board, emulation board 51 experiments.

1720的经典程序，实现了1720的几乎所有功能，程序编写标准-1720 classic procedures, to achieve the 1720 almost all the functions, procedures for the preparation of standards

keil51使用中文详解-keil51 Comments on the use of Chinese

用4*4键盘模拟手机按键输入，16*2LCD输出-4* 4 keyboard keystrokes analog phones, 16* 2LCD output

LPC的一个小试验源码,你不妨可以试试，-lpc xiaoshiyandeyuanma nikeyishishi

英飞凌C167的32位循环冗余校验码产生例子。-infineon C167 CRC32

l045w型段码液晶例程（汇编语言）-l045w type of code routines LCD (assembly language)

单片机采集数据，并驱动74hc595显示采集数据-Single-chip data collection and data-driven acquisition 74hc595 show

用汇编语言写的风扇转速测试程序,用于转速测试,传感器用KEYENCE-using assembly language to write fan speed test procedure for testing speed, the sensor used KEYENCE