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| Search found 12 matches |
| Author | Message |
|---|---|
 Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
 Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 4:16 pm Subject: blanking the chip and trying again... |
| didn't work.
but thanks. i tried programming in debug too - just in case... no go. thanks though! |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 12:41 pm Subject: this is what i get... by the way... error wise |
| PLAB ICD 2 Ready
Programming Target... ...Erasing Part ...Programming Program Memory (0x0 - 0x7F) Verifying... ...Program Memory ICD0161: Verify failed (MemType = Program, Address = 0x0, Expecte ... |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 12:38 pm Subject: jumpers are connected, i think... |
| i can program 18F4320 chips, just not the 18LF4320's. so i really don't think there's a connection problem.
powers (2x) on 11 and 32 groups (2x) on 12 and 31 PGD on 40 PGC on 39 VPP on 1 ... |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 12:26 pm Subject: nope... |
| just using the UPM untouched - there are no diodes when you buy it, and i didn't add any.
but thanks again... j |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 11:59 am Subject: 18LF's not programming while 18F's are... |
| correction from last message:
18F485's - not 18F495, of course. typo. |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 11:58 am Subject: programming mode |
| heh thanks...
i actually didn't know that you couldn't debug those 18FXXXX chips... but i am using the programmer only. i haven't gotten far enough to even bother with the debugger on this pro ... |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 8:06 am Subject: chips upon chips |
| well, it does have 'something' to do with CCS - i'm using their compiler, which i thought might have some kind of flash address issue with the 18LF's.
i've tried 452, 4220, 4320, 4331. in all cas ... |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 1:35 am Subject: thanks again... |
| but i've tried that a few times...
oddly the erase and verify work - but no program. again - weird. hopefully Microchip or the official CCS people will come back with something good tomorrow... ... |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Thu Mar 24, 2005 12:54 am Subject: yes all the VDD's and VCC are connected on the UPM |
| i think that picture you have in that pdf link to is old... my universal programming module has more jumpers - two for the VCC and two for the VDD. it's the red one. these are connected at the J1 he ... | |
| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Wed Mar 23, 2005 9:16 pm Subject: all done too... |
| yes. i did that.
weird huh? j |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Wed Mar 23, 2005 7:40 pm Subject: yep... all connected |
| still nothing.
there's 5V on both sides during programming - i checked. j |
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| Topic: 18LF's not programming while 18F's are... |
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| ja771 Replies: 28 Views: 71348 |
Forum: General CCS C Discussion Posted: Wed Mar 23, 2005 6:59 pm Subject: 18LF's not programming while 18F's are... |
| Hi all,
I've run into a weird behaviour using the ICD-2 programmer, wherein the 18F series chips seem to program fine, but the 18LF chips don't. I realise this is more likely a programmer iss ... |
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