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本程序主要通过外部中断INT0及3.3端口读取PS2键盘值并通过LCD1602显示，键扫描码的解码通过数组方式解码，程序的解码功能主要针对数字及大小写字母和常用标点符号 硬件描述：PS2键盘的时钟线（clk）接89S51的INT0（P3.2）,数据线data接（P3.3） LCD的控制端口分别为： RS = P2^7，RW = P2^6，EP = P2^5，数据端口为P0，液晶显示偏压VL必须接 -This procedure mainly through external interrupt INT0 and 3.3 read PS2 keyboard port value through LCD1602 display, key scan code decoder way through an array of decoding, the procedure for decoding function of the major figures and upper and lower case letters and punctuation marks commonly used hardware description: PS2 keyboard clock line (clk) then 89S51 the INT0 (P3.2), data lines data access (P3.3) LCD control port, respectively: RS = P2 ^ 7, RW = P2 ^ 6, EP = P2 ^ 5, data ports for the P0, LCD bias VL must be received

DS18B20的源程序，采用12位转换.asm KeilC51编写的19264液晶片驱动程序.c HD44780 液晶显示板的c语言驱动程序.pdf 步进电机控制程序.pdf MGLS-240128TA液晶点阵显示驱动程序.zip-DS18B20 the source, 12-bit converters. Asm KeilC51 prepared by the 19,264-LCD driver. C HD44780 LCD panels c language driver. Pdf stepper motor control procedures. Pdf MGLS- 240128TA dot matrix LCD display driver. Zip

can-汇编测试程序，适用于单片机的can模块测试-can-compilation testing procedures can apply to single chip module testing

完全可用的DMX512灯光控制AVR程序，欢迎下载参考-Fully available DMX512 lighting control AVR procedures, please download the reference

89c51usb仿真器原理图，超级棒，拿出来与大家分享-Schematic 89c51usb emulator, super rod, out to share with you

这里有MSP4302274各个模块的源代码例程，拿来与大家分享-There MSP4302274 routine of each module s source code, and brought to share with you

128*64(st7920驱动)　汉字显示驱动程序

PS/2口向PC发送键盘信息；并通过UART发送-PS/2 keyboard I send information to the PC and sent through the UART

DS1302 ds18b20时间温度led显示系统源代码，全部都是自己写的，已经通过调试，下载到板子上绝对可用-DS1302 ds18b20 time temperature led display system source code, all written by himself, has passed debugging, downloaded to board can be used in absolute

基于VRS51L3074的TC35短信息模块驱动程序,程序内有完整的中文字库,支持中英文模式.-SMS-based VRS51L3074 the TC35 module driver program in a complete Chinese font support in English and Chinese patterns.