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| Search found 7 matches |
| Author | Message |
|---|---|
 Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
 Forum: General CCS C Discussion Posted: Wed Mar 10, 2004 10:48 am Subject: External EEPROM returning 0xFF only |
| No ... it is the code with the zero in the parentheses.
I'm like you ... I don't understand what I'm overlooking. I feel like its just sitting in front of me, but I'm too close to see it. :conf ... |
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| Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
Forum: General CCS C Discussion Posted: Tue Mar 09, 2004 8:48 pm Subject: External EEPROM returning 0xFF only |
| Just a quick update for anyone who cares (at this point I almost don't).
I replaced the 2401 eeprom with a new one and it works ... with one oddity. The following snippet of code shows that I had ... |
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| Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
Forum: General CCS C Discussion Posted: Mon Mar 08, 2004 4:31 pm Subject: External EEPROM returning 0xFF only |
Thanks for the 'oops' factor check. Yes, I'm aware of the 'U' pin-out for ICs. We design test equipment for the automotive industry here, so I have just a little electrical back ground. 
... |
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| Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
Forum: General CCS C Discussion Posted: Mon Mar 08, 2004 3:11 pm Subject: External EEPROM returning 0xFF only |
| PCM programmer:
You spoke the works that I was hoping you wouldn't -- "...and it worked fine." Working from your notes, top down ... I went a head and added the fuses statement (#fuses HS,NOPUT ... |
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| Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
Forum: General CCS C Discussion Posted: Mon Mar 08, 2004 12:11 pm Subject: External EEPROM returning 0xFF only |
| PCM programmer:
Sorry for the delay ... weekends can be just too much fun sometimes. Here is my "Test" program. It is a simple three step process -- Read data, Write data, Read again. (The com ... |
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| Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
Forum: General CCS C Discussion Posted: Fri Mar 05, 2004 6:19 pm Subject: External EEPROM returning 0xFF only |
| That is what I was doing while I was waiting for a reply ... It still isn't working. With a scope, I can see the SDA and SCL lines dropping from 5v to VSS. So the PIC is accessing the lines. I have ... | |
| Topic: External EEPROM returning 0xFF only |
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| Gag Replies: 14 Views: 31483 |
Forum: General CCS C Discussion Posted: Fri Mar 05, 2004 4:25 pm Subject: External EEPROM returning 0xFF only |
| I'm having a problem with storing some setup and calibration data on an external eeprom for a battery powered, handheld pressure gauge. The eeprom keeps returning 0xFF whenever I read it.
I'm hopi ... |
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