[PIC] USB coms with PIC32MX250F128D

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rajib.das

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Hi Guys

Please help me out with the USB coms with PIC32MX250F128D.
Up to this point I am using a USB female port and my connections are

USB (Female port) : PIC32MX250F128D
--------------------------------------------
Pin 4 (GND) : GND
Pin 3 (D-) : Pin 9 (RB11/D-)
Pin 2 (D+) : Pin 8 (RB10/D+)
Pin 1 (VCC) : Pin 10(RB12/Vusb3v3)

Please advice if I am missing anything

- - - Updated - - -

And I am also using a 8Mhz external X-tal
 

Yap I would like to use both of them. To do that what I supposed to do in terms of connections and I have no Idea what to do with VSUB and VBUS.
 

rajib.das said:
Yap I would like to use both of them. To do that what I supposed to do in terms of connections and I have no Idea what to do with VSUB and VBUS.
Click to expand...

do you want seperate device and host USB connectors or OTG which figures out what is connected

have a look at the USB PicTail fact sheet
https://www.microchip.com//DevelopmentTools/ProductDetails.aspx?PartNO=AC164131

it gives the schematics for all three so just copy their circuit

VUSB (not VSUB) is connected to 3.3v, VBUS to pin 1 and D- and D+ to pins 2 and 3

also worth looking at are the PIC32 USB Starter Kit II User's Guide schematics
https://www.microchip.com/Developmenttools/ProductDetails.aspx?PartNO=DM320003-2
 
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