[SI-LIST] Reg: USB OTG Controller
- From: "Marimuthu P." <marimuthu_p@xxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Wed, 13 Dec 2006 10:28:43 +0530
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Hi All,
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We are using ISP1761 USB 2.0 OTG controller and we have configured =
the
port 1 (OTG port) as peripheral controller. We are connecting PC to this
device. When we are connecting the PC in USB 1.1 port in our board we =
can see
the device id and all transfers in USB monitor but when we are =
connecting the
PC to USB 2.0 port the USB monitor is not giving the required =
information. I
am not sure whether the terminations and the filtering circuit for VBUS =
and
data lines we have given are correct or not. I have given below the =
circuit
for your understanding.
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In ISP1761 1.5K internal pull up is enabled in the D+ line=20
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ISP1761
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PC
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3.3V
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VBUS is coming 5.24V once we connected the PC
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C150 is changed to 0.1uF, and then also it didn't work
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GND
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GND
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VBUS
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D+
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D-
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GND
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VBUS
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D+
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D-
ID
GND
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With Regards,
Marimuthu P
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