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  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Wed May 06, 2015 4:03 pm   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
I used the mplab ICD3 to retrieve the revision. Has this unit the same issue as the ICD-U64?
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Wed May 06, 2015 1:27 pm   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
I reread your latest post stating with no dev rev it could be an A revision device.
I will order this device from another supplier to see what dev rev level I will get.
Will take a few days, to be c ...
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Wed May 06, 2015 1:21 pm   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi Mr. T.,

Sorry for the delay. Have to cope with some deadlines Crying or Very sad

I always use the ICD-U64 programmer but I don't know how to extract the Dev Rev with this tool (do you know?). So I used th ...
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Tue May 05, 2015 7:58 am   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi Mr. T.,

It becomes even more interesting: Exclamation

In first instance I used version DS40001675B dated 03/25/14 of the data sheet. I'm sure I downloaded this version from Microchip themselve ...
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Tue May 05, 2015 5:28 am   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi Mr. T.,

Thank you for your time!

I tried your example code and it DOES work! But according to my data sheet it shouldn't. I downloaded this data sheet just a couple of days ago.

Thus I dow ...
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Tue May 05, 2015 2:08 am   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi PCM_Programmer,

Thank you for your reply. Yes, I still need help on this. For the time being I created a work around by defining OPA2IN+ to pin B3 and than hard wiring the DAC1OUT2 output pin B7 ...
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Sun May 03, 2015 12:38 pm   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi Mr. T.,

When I have a look at the list file it looks like the Opamp/DAC being configured ok. So it is still a mystery to me.

CCS PCM C Compiler, Version 5.045, xxxxx 03-mei-15 13: ...
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Sun May 03, 2015 12:25 pm   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi Mr T.,

Thank you for the fast reply and the compliment Very Happy .

Compiler version is 5.045.

Thanks,
Arend
  Topic: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
AHE

Replies: 15
Views: 26630

PostForum: General CCS C Discussion   Posted: Sun May 03, 2015 9:18 am   Subject: 16F1788: DAC1 out doesn't connect to OPAMP2IN+ [Solved]
Hi All,

I need some help with the opamp of the 16F1788 device.

I'm trying to use OPAMP2 as a buffer for DAC1.
I've set-up OPAMP2 to internally connect to the output of the DAC1.
DAC1 configure ...
  Topic: Problem with the ICD-U40 (transistor burned)
AHE

Replies: 9
Views: 68158

PostForum: CCS ICD / Mach X / Load-n-Go   Posted: Wed Mar 10, 2010 1:31 am   Subject: Fried ICD-U40
I also burned the (next to the RJ11 jack pins) 1S transistor by accidentally connecting the PCD-pin to +5V capable of supplying 1 Amp of power.
A 2N7002 (FET) proved to be a good replacement for the ...
 
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