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CCS/TUSB1106: USB Device Not Recognized

Part Number: TUSB1106
Other Parts Discussed in Thread: RM48L952, HALCOGEN, TUSB1105, , TUSB1210

Tool/software: Code Composer Studio

Hi,

I'm working in Evaluation board (Hercules safety MCU Development kit RM4 MCU) in this, I have generated USB device CDC code from HALCOGEN SOFTWARE and its working fine(part number  RM48L952).

The same micro controller i'm using in custom board but TUSB1105RGT in EVB and TUSB1106PWR in Custom board

Please checkout my EVB board design (TUSB1105RGT):

here E3 pin is connected to USB Female type-B connector.

I have loaded the code into my board here its not working (pop up message is : USB device not recognized). and some changes are there in hardware design check out below E3 pin its not connected (here my requirement is to prove without Vbus).

the same code without any modifications i have loaded into my custom board, its not working. but in my design there is no jack like Female USB  type-B connector.

please check design below:

here Pullup D+ is connected and Host related resisters are removed: (i mean High speed and Device configuration)

For trial i just connected E3 pin to USB 5V pin (GND also connected) even though it is not working.

Signals I have measured in custom board:

Suspend ; by default its is coming High .. but in EVB its Low so i forcefully grounded. (Is it right way??)

Softcon : High

Speed : High

D+: High

D- : low

Please help us regarding:

1. Can we prove USB without VBUS and GND (Only with D+ and D-)?

2. Is Vendor ID and Product ID are Important from EVB board to Custom Board?

3. is it work without Female USB type B jack (Connector) ? ...(I mean direct connections .... Upstream is connected to Computer .. down stream is connected to board like pin connections(No Jack) two wires D+ and D-)

4. This code is for Bus Powered transfer ( Should i need to change to self powered because there is no VBUS connections)?

5. should i need to modify any code ?

Thanking You,

best regards,

V Kishore.