at89c51 读取写入 at29c040 4M flash的 C源代码

用SD模式读SD卡的代码,写功能尚未实现,希望能给您一点帮助!-SD mode with SD card code reading and writing function has not yet been achieved, I hope to give you a little help!

CH375 是一个USB总线的通用接口芯片，支持USB-HOST主机方式和USB-DEVICE/SLAVE设备方式。在本地端，CH375具有8位数据总线和读、写、片选控制线以及中断输出，可以方便地挂接到单片机/DSP/MCU/MPU等控制器的系统总线上。在USB主机方式下CH375还提供了串行通讯方式，通过串行输入、串行输出和中断输出与单片机/DSP/MCU/MPU 等相连接。 CH375 的USB 设备方式与CH372 芯片完全兼容，CH375 包含了CH372 的全部功能。本手册中没有提供CH375 在USB 设备方式下的说明，相关资料可以参考CH372 手册。 CH375的USB 主机方式支持常用的USB 全速设备，外部单片机可以通过CH375 按照相应的USB 协议与USB 设备通讯。CH375 还内置了处理Mass-Storage 海量存储设备的专用通讯协议的固件，外部单片机可以直接以扇区为基本单位读写常用的USB 存储设备（包括USB 硬盘/USB 闪存盘/U 盘）。-Document for CH372 usb style

用VC++6.0实现PC机与单片机之间的数据交换-VC 6.0 PC and SCM data exchange between the

51单片机的_中文拼音输入法_c源程序 拼音输入法杳询函数: unsigned char code * py_ime(unsigned char input_py_val[]) input_py_val为已输入的拼音码字符串头指针， 反回值为中文的起始地址，当为0时，杳询失败 应用举例： { unsigned char input_string[]={"bang"} unsigned char chines_string[100] sprintf(chines_string,"％s",py_ime(input_string)) }-51 Singlechip _ Chinese Pinyin input method _c source disappeared consultation Pinyin input method function: unsigned char code* py_ime (unsigned char input_py_val []) input_py_val for Pinyin input first code string pointer, and anti-back value of Chinese starting address, as 0:00, dark and quiet consultation, for example the failure of the application: (unsigned char input_string []={ bang ) unsigned char chines_string [100] sprintf (chines_string, s , py_ime (input_string)))

用PIC16F716开发的一遥控程序源码-PIC16F716 with the remote control procedure developed by one source

该模拟器是在Keil7.0中使用。 只要把Ex02Dll.dll复制到 X:KeilC51BIN目录下。 打开测试程序，编译运行即可看到如图led.jpg中所显示的效果。-The simulator is used in Keil7.0. As long as Ex02Dll.dll copied to the X : Keil C51 BIN directory. Open test procedure, compile operation can be seen in figure led.jpg reflected by the results.

利用8051单片机驱动蜂鸣器，实现音乐发声功能。-8051 drivers to use buzzers realize music vocal function.

该程序用于控制电机的速度,通过占空比PWM来实现该功能.-The program used to control motor speed and PWM duty cycle to achieve through this feature.

针对MSP430的金鹏OCMJ4X8C128×64中文液晶驱动程序,只支持串口模式，已调试可用-For the MSP430-Jinpeng OCMJ4X8C128 × 64 Chinese LCD driver supports only serial mode, has been used to debug

Small Device C Compiler 面向Inter8051，Zilog Z80,Dallas 80C390,Motorola HC80等系列单片机的开源C编译器，针对上述产品进行了优化--Small Device C Compiler. It is an open source C compiler for Inter8051, Zilog Z80, Dallas 80C390, Motorolas HC80 and other SCMs.