基于单片机AT89C51的MP3播放系统的设计方案
提出一种基于单片机AT89C51SND1C的MP3播放系统的设计方案。单片机集成了专用的解码器,使用K9F1208闪存作为外存储器,放音电路采用CS4330,存储文件通过播放器上的USB接口设备从PC机上直接下载,液晶显示采用LCD1602。方案设计简单,性价比高,低功耗,易扩展。由于采用的是通用单...
提出一种基于单片机AT89C51SND1C的MP3播放系统的设计方案。单片机集成了专用的解码器,使用K9F1208闪存作为外存储器,放音电路采用CS4330,存储文件通过播放器上的USB接口设备从PC机上直接下载,液晶显示采用LCD1602。方案设计简单,性价比高,低功耗,易扩展。由于采用的是通用单...
Safety GuidelinesThis manual contains notices which you should observe to ensure your own personal safety, as well as toprotect the product and connec...
The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications an...
The PCA9536 is an 8-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and w...
The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus...