1to4 usb hub μPD720114 ET-0191A 4端口自供电集线器原理图
1to4 usb hub μPD720114 ET-0191A 4端口自供电集线器原理图...
1to4 usb hub μPD720114 ET-0191A 4端口自供电集线器原理图...
cypress usb CY7C68103A的控制输出固件还有上位机c++源码...
usb 源码 包括上层vc++调试语言和cy7c63汇编源码...
LPC2148 USB固件程序,是学习固件不可多的的范例....
userial is an Free project building an USB to I2C/SPI/GPIO bridge, using the Atmel AT90USB647 chip. Hardware and Software are released under an Open S...