Unable to interface USB SL811 controller with Renesas M30845 - TechRepublic
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April 22, 2007 at 10:27 PM
vidya_sistla

Unable to interface USB SL811 controller with Renesas M30845

by vidya_sistla . Updated 19 years, 1 month ago

Dear all

I need USB protocol to interface printer with my target board built around M30845 renesas controller. For this I am using the cypress make SL811HS USB Host/Slave controller.

The problem is that SL811 is not responding to write and read requests from M30845. The operating voltage and current values are within the limits of SL811 and also the signals are consistent with the timeing diagram. Both controllers are working at 12MHz freq.

Kindly let me know if I am missing out anything which is possibly leading to the incompatibility b/w the two controllers.

Thanking in advance,
Vidya

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