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pmuldoon
Joined: 26 Sep 2003
Posts: 218
Location: Northern Indiana
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| 3.3v programmer |
 Posted: Sat Jan 01, 2011 11:58 am |
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I want to play with a chip that has the CTMU (and doesn't require the dreaded PCD).
I checked MPAPS on microchip and all of the chips that have the CTMU are 3.3v 18F series i.e. PIC18F47J53.
At the moment, all I have is an ICD2.
Does anyone know if they can be programmed with an ICD2?
If not, does the $75 programmer from CCS support the 3.3v parts?
It mentions 5v programming, but I'm not sure if that implies it won't work on the 3.3v parts. Some of the pins are 5v tolerant, but I'm not clear on whether that applies to programming as well.
This is just to play with on my own - that's why I'm trying to be so cheap. |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Sat Jan 01, 2011 12:49 pm |
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Download and install the latest version of MPLAB. Then go to the
Configure / Select Device menu and select PIC18F47J53. Then look
at the little colored dots that show which Debuggers are supported.
If ICD2 is supported, it will have a green dot. |
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pmuldoon
Joined: 26 Sep 2003
Posts: 218
Location: Northern Indiana
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| Posted: Sat Jan 01, 2011 7:06 pm |
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| thanks |
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newguy
Joined: 24 Jun 2004
Posts: 1909
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| Posted: Sat Jan 01, 2011 7:15 pm |
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| The CCS programmers do support 3.3 or 5V targets. They used to come configured to automatically supply 5V power and you'd have to take them apart and remove a jumper. From that point on they could be used to program any target as long as the target board was powered on its own. Recently I bought a couple of ICD-U64's and I discovered they're now configured without that jumper installed anymore. |
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bkamen
Joined: 07 Jan 2004
Posts: 1615
Location: Central Illinois, USA
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| Posted: Sat Jan 01, 2011 10:44 pm |
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| newguy wrote: | | The CCS programmers do support 3.3 or 5V targets. They used to come configured to automatically supply 5V power and you'd have to take them apart and remove a jumper. From that point on they could be used to program any target as long as the target board was powered on its own. Recently I bought a couple of ICD-U64's and I discovered they're now configured without that jumper installed anymore. |
That's kinda scary that a jumper selects +5 and +3.3 programming. It could be easy to toast a chip.
In any case, I just looked and the ICD2 supports the 18F47J53
-Ben
_________________
Dazed and confused? I don't think so. Just "plain lost" will do. :D
Last edited by bkamen on Sun Jan 02, 2011 12:50 am; edited 1 time in total |
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newguy
Joined: 24 Jun 2004
Posts: 1909
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| Posted: Sun Jan 02, 2011 12:14 am |
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| bkamen wrote: | That's kinda scary that a jumper selects +5 and +3.3 programming. It could be easy to toast a chip.
In any case, I just looked and he ICD2 supports the 18F47J53
-Ben |
I should have been clearer. The jumper either selects whether the programmer supplies Vcc (which is 5V) or whether Vcc isn't supplied by the programmer. |
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pmuldoon
Joined: 26 Sep 2003
Posts: 218
Location: Northern Indiana
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| Posted: Sun Jan 02, 2011 6:36 am |
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Thanks, all.
I upgraded my home 'puter & didn't have mplab installed.
Per PCM's suggestion, I downloaded it and looked up the chip - it says ICD2 will program it.
That's cool, cuz all I have is (4) ICD2's @ work.
So, I'm off to do a little test design using the CTMU. (My little winter fun/educational project).
This will be fun cuz I have a CTMU, 3-comparators and a 12-bit AD to play with.
Happy New Year! |
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