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Subject: Re: USB On-The-Go (OTG) (was: Re: 2nd ATA Device on JB20 Recorder)
From: Linus Nielsen Feltzing (linus_at_haxx.se)
Date: 2003-01-23


On 23 Jan 2003 11:59:57 +0000, Joaquim Carvalho wrote:
> We must check: - if there are physical limitations on the USB chips
> ie - no way to power the VBUS, etc. - ways to solve these
> limitations A simple 50cents smd transistor controlled by the H1
> would solve this.

Have you read the data sheets for the ISDx00 chips? I can't see
anything in those data sheets that offer any CPU control over the USB
bus.

> - How much of the USB control can be done in software Most hackers
> will find this quite an interesting job, most programmers would
> hate.

Once again, have you read the data sheets?

/Linus

-- 
Linus Nielsen Feltzing, linus_at_haxx.se on 2003-01-23



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