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 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 Help ! How to read MX27C8100-PSOP44 with GQ-4X ?
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titobal

France
6 Posts

Posted - 09/08/2020 :  07:09:19  Show Profile  Reply with Quote
Hello,

I would like to know how to read a MX27C8100-PSOP44 Maskrom on the GQ-4X (the chip is addressed in 16bit mode in the device it has been desoldered from).

I thought I would be able to read these using the PSOP44 adapter (ADP-019V4 PSOP44 V4 for AM29LV160 MX29L3211) but it only supports 28F or 29F flash apparently ... and I tried but the read result is not good (no error message but what is read is not good).

I see there is an adapter ADP-054 (16 Bit EPROM 40/42 pin ZIF adapter V4.1 for Willem) for MX27C8100, the problem is the package I have for this chip is PSOP44 and not DIP :-(


Any advice would be greatly appreciated.

Thanks

Chris

Edited by - titobal on 09/08/2020 23:37:19
Reply #1

titobal

France
6 Posts

Posted - 09/09/2020 :  01:13:07  Show Profile  Reply with Quote
Any help please ?
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Reply #2

anniel

2529 Posts

Posted - 09/09/2020 :  08:33:32  Show Profile  Reply with Quote
quote:
Originally posted by titobal

Hello,

I would like to know how to read a MX27C8100-PSOP44 Maskrom on the GQ-4X (the chip is addressed in 16bit mode in the device it has been desoldered from).

I thought I would be able to read these using the PSOP44 adapter (ADP-019V4 PSOP44 V4 for AM29LV160 MX29L3211) but it only supports 28F or 29F flash apparently ... and I tried but the read result is not good (no error message but what is read is not good).

I see there is an adapter ADP-054 (16 Bit EPROM 40/42 pin ZIF adapter V4.1 for Willem) for MX27C8100, the problem is the package I have for this chip is PSOP44 and not DIP :-(


Any advice would be greatly appreciated.

Thanks

Chris

You need a SOP to DIP adapter.
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Reply #3

titobal

France
6 Posts

Posted - 09/09/2020 :  22:46:33  Show Profile  Reply with Quote
I used the ADP-019V4 PSOP44 V4 (PSOP44 -> DIP) adapter in order to read the device but what is read is not what is expected,
this is why I think the adapter is not sufficient for / or supporting the device I intend to read.

MX27C8100 is listed as supported by GQ-4X but the -PSOP44 not.

Maybe there are jumpers or pins to tweak in order to make it properly read using the ADP-019V4 .... but I'm not aware of.

Edited by - titobal on 09/09/2020 22:46:57
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Reply #4

titobal

France
6 Posts

Posted - 09/09/2020 :  23:00:56  Show Profile  Reply with Quote
ZLM ? Any idea / suggestion ? Thanks.
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Reply #5

anniel

2529 Posts

Posted - 09/10/2020 :  06:21:03  Show Profile  Reply with Quote
quote:
Originally posted by titobal

I used the ADP-019V4 PSOP44 V4 (PSOP44 -> DIP) adapter in order to read the device but what is read is not what is expected,
this is why I think the adapter is not sufficient for / or supporting the device I intend to read.

MX27C8100 is listed as supported by GQ-4X but the -PSOP44 not.

Maybe there are jumpers or pins to tweak in order to make it properly read using the ADP-019V4 .... but I'm not aware of.

You also need a 16Bit adapter.
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Reply #6

titobal

France
6 Posts

Posted - 09/10/2020 :  06:44:35  Show Profile  Reply with Quote
Hi anniel,

and daisy chain the 16bit adapter + sop44 adapter ?? Thanks.
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Reply #7

anniel

2529 Posts

Posted - 09/10/2020 :  15:10:36  Show Profile  Reply with Quote
quote:
Originally posted by titobal

Hi anniel,

and daisy chain the 16bit adapter + sop44 adapter ?? Thanks.


Should work.
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Reply #8

titobal

France
6 Posts

Posted - 09/10/2020 :  20:50:20  Show Profile  Reply with Quote
Thanks.

I've changed my mind and will return the 4X + sop44 adapter and buy another programmer which is more adapted to the usage I need.
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Reply #9

anniel

2529 Posts

Posted - 09/12/2020 :  02:30:31  Show Profile  Reply with Quote
quote:
Originally posted by titobal

Thanks.

I've changed my mind and will return the 4X + sop44 adapter and buy another programmer which is more adapted to the usage I need.

Ha, ok.
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