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Xilinx Lpt Cable Tutorial


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#1 hakzo

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Posted 09 November 2011 - 07:26 PM

Hi, I am trying to figure out this schematic, it's been a few years since I had to read one.
IPB Image

I just wanted to confirm am I planning this right?

D1, D2, D3 connects to the glitch chip and also the corresponding resistors.

The resistors are then connected together.

Pin 18 is then connected to the joined resistors.
Pin 18 and the joined resistors are then connected to GND on the chip

Pin 8, 11 and 12 are connected

Pin 13 is connected to R4. R4 is connected to TDO and also R5. R5 is then connected to VCC.

IPB Image

#2 Antman1

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Posted 09 November 2011 - 11:33 PM

looks like you got it. I have a pic of mine here: http://unmrkd.net/he...h-all-you-need/

#3 Shintax909

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Posted 09 November 2011 - 11:34 PM

I pretty much mimicked this image...
IPB Image
maybe it will help...

#4 Antman1

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Posted 09 November 2011 - 11:38 PM

thats actually beautiful. smile.gif yes that is the way to do it. look like mine.

#5 linsonchan

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Posted 10 November 2011 - 03:39 AM

Will this work with TX Coolrunner?

#6 Shintax909

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Posted 10 November 2011 - 03:41 AM

Here is what mine looks like...

IPB Image

Unfortunately i cant seem to program my matrix chip tho... using 360glitchip programmer v1.1 instead of iMPACT... I think it could be that my 3.3k gold strips are not facing the correct way, but not sure...

#7 Haygar

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Posted 10 November 2011 - 04:51 AM

Will not matter, resistors are not polarity sensitive unlike diodes.

I want to know about whether this will work for the new coolrunner, too.

Edited by Haygar, 10 November 2011 - 04:52 AM.


#8 Shintax909

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Posted 10 November 2011 - 10:33 AM

Just ran it through iMPACT, here is what its showing me...

QUOTE
Connecting to cable (Parallel Port - LPT1).
Checking cable driver.
Driver windrvr6.sys version = 8.1.1.0. WinDriver v8.11 Jungo © 1997 - 2006 Build Date: Oct 16 2006 X86 32bit SYS 12:35:07, version = 811.
LPT base address = 0378h.
ECP base address = 0778h.
Cable connection established.
PROGRESS_END - End Operation.
Elapsed time = 1 sec.
Attempting to identify devices in the boundary-scan chain configuration...
INFO:iMPACT - Current time: Thu Nov 10 00:26:11 2011
// *** BATCH CMD : Identify -inferir
PROGRESS_START - Starting Operation.
Identifying chain contents...INFO:iMPACT:1588 - '0':The part does not appear to be Xilinx Part.
'0': : Manufacturer's ID =Unknown , Version : 15
INFO:iMPACT:501 - '1': Added Device UNKNOWN successfully.
----------------------------------------------------------------------
----------------------------------------------------------------------
done.
PROGRESS_END - End Operation.
Elapsed time = 0 sec.
// *** BATCH CMD : identifyMPM


Ive followed the schematic to a T and shortened most of the connections, still unsuccessful...

#9 hakzo

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Posted 10 November 2011 - 07:31 PM

QUOTE(Shintax909 @ Nov 9 2011, 10:34 PM) View Post

I pretty much mimicked this image...
IPB Image
maybe it will help...


Wow, work of art mate smile.gif

#10 Antman1

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Posted 10 November 2011 - 07:37 PM

QUOTE(Shintax909 @ Nov 10 2011, 03:33 AM) View Post

Just ran it through iMPACT, here is what its showing me...
Ive followed the schematic to a T and shortened most of the connections, still unsuccessful...

I had that issue. I removed the diodes and resistors except the 3.3k and it worked. You can try that. I have that diagram on my guide on my site. I did it as a last resort. my LPT port doesnt like it when I add that stuff on my cables for some reason

#11 Shintax909

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Posted 10 November 2011 - 09:46 PM

Guess thats worth a shot, I just keep the 3,3ks' in the same position but remove the 220 and diodes?

#12 Shintax909

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Posted 10 November 2011 - 10:59 PM

Worked like a charm! Removed the diodes, didnt have to remove the 220. Good job Antman1! Great tut btw!

#13 Antman1

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Posted 10 November 2011 - 11:58 PM

thank you. Glad to help.

#14 xboxhaxorz

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Posted 11 November 2011 - 08:46 AM

how come everybody is doing lpt, why not usb programmers?

#15 ugul

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Posted 11 November 2011 - 02:38 PM

QUOTE(Antman1 @ Nov 10 2011, 07:37 PM) View Post

I had that issue. I removed the diodes and resistors except the 3.3k and it worked. You can try that. I have that diagram on my guide on my site. I did it as a last resort. my LPT port doesnt like it when I add that stuff on my cables for some reason


its coz these diagrams assume your lpt port is 5v but some lpt port is 3.3v. u only need R5 3.3k in that case




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