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ICD-U40 does not seem to recognize the PIC18F4550

 
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ctorob
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ICD-U40 does not seem to recognize the PIC18F4550
PostPosted: Wed Oct 19, 2005 10:05 am     Reply with quote
I'm using CCS ICD-U40 (Firmware Ver: 1.39) and tring to burn one of the CCS sample firmware on to CCS's PIC18F4550 development boards. The ICD fails to recognize the correct PIC device.

Is there a newer firmware version for the ICD-U40?, or is my problem elsewhere?

Thanks;

ctorob
ctorob
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PostPosted: Fri Oct 21, 2005 1:14 pm     Reply with quote
My own fault..... The new CCS USB Development board (based on the PIC18F4550) has the option (jumpers) of powering from the USB line or from the 9VDC power supply.

9VDC power is required in order to program the chip.

ctorob
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Joined: 08 Sep 2003
Posts: 839
Location: Houston

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PostPosted: Fri Oct 21, 2005 2:02 pm     Reply with quote
There are also jumpers in the ICD that you can set to power the dev board from the ICD. So you can jumper both and ditch the 9-volt supply.
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