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Sk8erjosh09

USA
4 Posts

Posted - 01/02/2019 :  18:04:44  Show Profile  Reply with Quote
Hello all!

I have had the 4x for many years, now have the 4x4. I still cannot read this M93C56-6. I sent this data sheet (https://www.jameco.com/Jameco/Products/ProdDS/1393601.pdf) to mcumall and tried emailing but no help. Iíve tried a 9V external ps and nothing. It blank checks ok, which it shouldnít. I removed the chip to attempt reading. Pls pls pls help. Tons and tons of people are counting on me being able to read this.

Josh

Edited by - Sk8erjosh09 on 01/05/2019 20:56:53
Reply #1

anniel

2455 Posts

Posted - 01/02/2019 :  19:47:20  Show Profile  Reply with Quote
quote:
Originally posted by Sk8erjosh09

Hello all!

I have had the 4x for many years, now have the 4x4. I still cannot read this M93C56-6. I sent this data sheet (https://www.jameco.com/Jameco/Products/ProdDS/1393601.pdf) to mcumall and tried emailing but no help. Iíve tried a 9V external ps and nothing. It blank checks ok, which it shouldnít. I removed the chip to attempt reading. Pls pls pls help. Tons and tons of people are counting on me being able to read this.

Image Insert:

1448548 bytes



Which device did you select?
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Reply #2

Sk8erjosh09

USA
4 Posts

Posted - 01/03/2019 :  20:57:57  Show Profile  Reply with Quote
I have tried every 93c56, 35080, 95080, all of them essentially. VPP not set doesnít matter right?

Josh
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Reply #3

anniel

2455 Posts

Posted - 01/04/2019 :  06:25:42  Show Profile  Reply with Quote
quote:
Originally posted by Sk8erjosh09

I have tried every 93c56, 35080, 95080, all of them essentially. VPP not set doesnít matter right?




Use the "Search Device for" and enter 93C56 look if any of those work. Also test your adapter and maybe try a lower speed.
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Reply #4

Sk8erjosh09

USA
4 Posts

Posted - 01/05/2019 :  20:56:12  Show Profile  Reply with Quote
quote:
Originally posted by anniel

quote:
Originally posted by Sk8erjosh09

I have tried every 93c56, 35080, 95080, all of them essentially. VPP not set doesnít matter right?




Use the "Search Device for" and enter 93C56 look if any of those work. Also test your adapter and maybe try a lower speed.



Did all that

Josh
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Reply #5

Sk8erjosh09

USA
4 Posts

Posted - 01/05/2019 :  21:01:30  Show Profile  Reply with Quote
quote:
Originally posted by anniel

quote:
Originally posted by Sk8erjosh09

I have tried every 93c56, 35080, 95080, all of them essentially. VPP not set doesnít matter right?




Use the "Search Device for" and enter 93C56 look if any of those work. Also test your adapter and maybe try a lower speed.



Itís all good Iím just going to invest in more programmers. 2 down, 3 to go?

Josh
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Reply #6

anniel

2455 Posts

Posted - 01/06/2019 :  05:51:26  Show Profile  Reply with Quote
quote:
Originally posted by Sk8erjosh09

quote:
Originally posted by anniel

quote:
Originally posted by Sk8erjosh09

I have tried every 93c56, 35080, 95080, all of them essentially. VPP not set doesnít matter right?




Use the "Search Device for" and enter 93C56 look if any of those work. Also test your adapter and maybe try a lower speed.



Itís all good Iím just going to invest in more programmers. 2 down, 3 to go?



Those devices are not particularly difficult to read or program if it doesn't work well check your adapter or use some known good chips.
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