Only 1,2,3,4 port are operates

ifj.mezei.miklos

Other Parts Discussed in Thread: TUSB2077A

My question is why just the first four port are operate. I using 7 mcp2200 usb-serial converter but i just se the first four. Why?!

Thx afurther to your answer

0 ifj.mezei.miklos over 13 years ago

Here is the converter schematic

0 ifj.mezei.miklos over 13 years ago in reply to ifj.mezei.miklos

Anybody?!

0 JMMN over 13 years ago in reply to ifj.mezei.miklos

Check that the setting on BUSPWR/ is correct. Only 4 ports will operate if the TUSB2077A is configured in bus powered mode.

Regards,

Julie

Interface forum