Rockbox mail archive
Subject: RE: [Spam][100.0%] H3x0 ISP1362 (usbotg) chip connectionsRE: [Spam][100.0%] H3x0 ISP1362 (usbotg) chip connections
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From: Peter D'Hoye <peter.dhoye_at_telenet.be>
Date: Sat, 18 Feb 2006 21:12:35 +0100
fyi, test code is here:
http://users.telenet.be/petur/usbotg.zip
> -----Original Message-----
> From: rockbox-dev-bounces_at_cool.haxx.se
> [mailto:rockbox-dev-bounces_at_cool.haxx.se] On Behalf Of Peter D'Hoye
> Sent: Saturday, February 18, 2006 8:45 PM
> To: 'Rockbox development'
> Subject: [Spam][100.0%] H3x0 ISP1362 (usbotg) chip connections
>
>
> Hi all (but mostly Linus),
>
> I'm having troubles accessing the isp1362 chip
> in the H3x0. I've mapped its CS to 0x30000000
> and tried several options in CSCR3 (no success).
>
> I wonder about this:
>
> - MCF5249 users manual page 172, in table 10-9
> about the PS[1:0] CS select bit description
> there is a note: "A0 is not available on the
> external bus". If so, I wonder where A0 and A1
> of the isp1362 are connected to.
>
> - the isp1362 datasheet on page 49 (point 12.9)
> talks about the powermanagement, and mentions
> two pins that must be pulled low to enable
> device and host part of the chip respectively.
> So they are probably connected to the GPIO?
> The two pins should be tied to vcc using a
> resistor. Or I don't understand that part :(
>
> fyi, A0 is pin 61, A1 is pin 62
>
>
> shall I put the code I have so far somewhere?
>
> thnx,
> Peter
>
>
Received on 2006-02-18
Date: Sat, 18 Feb 2006 21:12:35 +0100
fyi, test code is here:
http://users.telenet.be/petur/usbotg.zip
> -----Original Message-----
> From: rockbox-dev-bounces_at_cool.haxx.se
> [mailto:rockbox-dev-bounces_at_cool.haxx.se] On Behalf Of Peter D'Hoye
> Sent: Saturday, February 18, 2006 8:45 PM
> To: 'Rockbox development'
> Subject: [Spam][100.0%] H3x0 ISP1362 (usbotg) chip connections
>
>
> Hi all (but mostly Linus),
>
> I'm having troubles accessing the isp1362 chip
> in the H3x0. I've mapped its CS to 0x30000000
> and tried several options in CSCR3 (no success).
>
> I wonder about this:
>
> - MCF5249 users manual page 172, in table 10-9
> about the PS[1:0] CS select bit description
> there is a note: "A0 is not available on the
> external bus". If so, I wonder where A0 and A1
> of the isp1362 are connected to.
>
> - the isp1362 datasheet on page 49 (point 12.9)
> talks about the powermanagement, and mentions
> two pins that must be pulled low to enable
> device and host part of the chip respectively.
> So they are probably connected to the GPIO?
> The two pins should be tied to vcc using a
> resistor. Or I don't understand that part :(
>
> fyi, A0 is pin 61, A1 is pin 62
>
>
> shall I put the code I have so far somewhere?
>
> thnx,
> Peter
>
>
Received on 2006-02-18
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