hi thosten!
first,there is one thing wrong on usb module.pdf.the resistor on pin13 of an2131sc must be 27 instead 8,no?
my problem is that i have just finished usb module,i connect it but pc doesnt dettect it.what´s wrong?all the soldering points are ok,and bridges.only that i havent plug in r12 and r9 because i have lost them,jaja..must be that?power led is turned on and midi leds jitter.
what can i do?must be my windows ME?
please,answer me as soon as you can.
thanks
yeah!ok ok !! now is ok! lm317 was wrong
but after i burn iic eeprom it says “vendor request failed” .is this ok? it seems that iic eeprom is not burned..
my pc dettect usb module as unknown and unavailable..is this ok?have i to install any driver ?
thanks
Hi Synergic,
don’t know if I’m right, but maybe you have the same problems I had…
Could you check if the pins 3 and 4 of IC2 are connected on your pcb ? -
If not - connect them and program the module again.
Before programming the wwprom your pc must have a cypress usb device and after programming you have a USB Audio device.
Should be …
doc
hi doc! thanks!! ;) but the problem was other…windows milleniun!! this morning i plug usb module in a pc with w98 and…voila!! now is working,and as you say,win Me dettect it as an usb audio device!
thanks again for your hellp!!