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Paradroid
Germany
5 Posts |
 Posted - 07/07/2010 : 13:46:42
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Hi,
I have an embedded board that uses a Broadcom CPU. This CPU boots from SPI flash W25Q64CV. I also have the BSDL file for the CPU.
Would it be possible to program the chip using the boundary-scan commands of the JTAG adapter for GQ-4X? I know it's slow, but it would still be faster than soldering and re-soldering a chip. Just plug on, hit start and go make a coffee :-)
thanks,
Jens
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| Reply #1
ZLM
2945 Posts |
Posted - 07/07/2010 : 13:55:53
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No. The GQ-4X JTAG only for CPLD chips, not the CPU.
The W25Q64CV is SPI chip, the GQ-4X should be ablto to support this chip. It is possible to use a testclip to do the in circuit programming. See part number: TOOL-012A if the chip is a SOIC8 chip.
But I still recommend you go with off board programming on adapter. With a SMD rework station, the SMD chip soldering and desoldering jobs are pretty easy. You can done it with in 5 minutes.
See:
http://www.mcumall.com/forum/topic.asp?TOPIC_ID=2849 |
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| Reply #2
Paradroid
Germany
5 Posts |
Posted - 07/07/2010 : 14:41:57
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I am aware that soldering is quickly done, especially for an 8-pin chip. However, my programming team is working off-site, and they are software people - they don't do soldering. That's why I'd prefer JTAG.
Jens
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| Reply #3
ZLM
2945 Posts |
Posted - 07/07/2010 : 15:30:11
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Then try the testclip TOOL-012A.
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Topic |
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Program SPI chip through JTAG boundary scan?
