CAN 51 single

uPSD34xx Disk driver

Keil C语言优化手册-Keil C language manual optimization

该头文件配合key.c，在main函数中调用key.c，都文件中添加key.h，使软件更清晰，一目了然-The header file with key.c, in the main function call key.c, all files add key.h, so that software is more clear at a glance

DTMF双向收／发集成电路MT8880专门为双音频信号的收、发而设计，它既能产生发送双音频信号，又能对双音频信号进行接收译码，还能判断各种信号音(拨号音、回铃音、忙音)。以上就是它的应用电路和程序-Two-way DTMF collection/fat MT8880 IC specifically for the dual audio signals received, the design, it could have sent dual audio signal, while the dual audio signal decoding receiver, but also to judge the sound signal (dial tone , ring back tone, busy tone). Above is its application circuit and procedures

1024fft用MSP430设计的音频信号分析仪-1024fft design using MSP430 audio signal analyzer

收音模块TEA5767模块驱动程序及测试程序。-the driver of tea5767 module.

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这里给出74hc595的c51驱动程序。带锁存功能的串入并出芯片。-Here are 74hc595 the C51 driver. With latch function and a string into the chip.

Keil写的320*240的液晶显示程序。很有参考意义。-Keil written 320* 240 LCD display program. Very useful.

键盘扫描程序 台湾义隆EMC汇编,程序后缀DT C0-C3 R0-R5 4*6键扫-keyboard Scan Taiwan Elan EMC compilation procedures suffix DT C0-C3 R0-R5 4* 6 keys sweep