lpc单片机串行通信程序

里面是sd程序，非常全面，要的可以下载！-Sd procedure which is very comprehensive and want to download!

PXA270平台的键盘应用程序代码~~~~实现4*4键盘全功能-PXA270 platform application code keyboard ~ ~ ~ ~ to achieve 4* 4 full-function keyboard

电压测试，数字电压表，利用动态显示模块显示-Voltage testing, digital voltmeter, using dynamic display module display

液晶显示模块。在lcd上显示数字的函数。-display of the lcd

led源程序，51负则led，然后编译发光二极管.asm摊位，本来会领一个走出黑暗的结果

keil C51 50ms事例-stories

按键扫描 51单片机加8279 8279通过74LS 138译码器扩展4×4键盘、6位显示器。 由3-8译码器对SL0～SL2译出键扫描线，由另一3-8译码器译出显示器的位扫描线，并采用了编码扫描方式。 为了防止出现重键现象，扫描输出线高位SL3不参加键扫描译码。CPU对8279的监视采用了查询方式，故8279的中断请求信号IRQ悬空未用。 -Scan button 82,798,279 plus 51 single-chip decoder 74LS 138 through the expansion of 4 × 4 keyboard, the display 6. From 3-8 decoder SL0 ~ SL2 translated to the key scanning line, by another 3-8 decoder translated display scan line, and uses code scanning. In order to prevent the emergence of the phenomenon of re-key, scan the output line does not take part in high level SL3 scan decoding keys. CPU on the 8279 surveillance using the query mode, the 8279 interrupt request signal IRQ left unused.

C语言编写的，控制蜂鸣器唱出一段音乐。 是猪八戒背媳妇。-Written in C language to control the buzzer to sing a piece of music. The Pig is back a wife.

16*64位点阵点 阵显示汉字程串口输出字符数据，P2口输出行扫描信号,P0_0输出595锁存信号-16* 64 dot matrix display Chinese characters lattice-serial output character data, P2 mouth output signal scanning, P0_0 595 latches the output signal

利用单片机仿真JTAG测试驱动程序,可做测试烧录等-The use of single-chip JTAG emulation test driver, do the test burn, etc.