逆向工程破解的SN9C201规格书。SN9C201是提供USB2.0高速接口的webcam芯片，支持1.3MP的CMOS传感器。-Reverse engineered SN9C201 data sheet. SN9C201 is a webcam bridge chip with USB 2.0 high speed interface and supports up to 1.3MP CMOS image sensor.

用mega8制作的mp3程序，mega8_player_V20.DREQ高电平LED1和LED2两个指示灯都亮找不到MP3文件mega8_player_V17版本的正常读MP3文件，在做板的时候把USB座电源脚和地做反了，哈哈，不过得出声已经很开心了 -Produced by mega8 mp3 program, mega8_player_V20.DREQ high LED1 and LED2 two lights are not found in the normal version of