Products > Test Equipment

TH2830 vs TH2832

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nctnico:

--- Quote from: Martin72 on June 28, 2023, 08:50:14 pm ---What do you think about simply overwriting the contents of the chips with the ones from a 2832 ?

--- End quote ---
I think the device ID is in the external FRAM. I think the firmware consists of 3 parts: the LPC1788 firmware, some kind of look-up table that goes into the flash and the FPGA image.
In other words: you will not be overwriting the device ID with overwriting the contents of the chips. I'm quite sure the firmware update process already takes care of that. We need to call in forum member tv84 to take a look.

tv84:

--- Quote from: nctnico on June 28, 2023, 09:23:28 pm ---We need to call in forum member tv84 to take a look.

--- End quote ---

He has...  :)

What is that makes these devices so special?

Just loading with a totally random address, we can see plenty of code (ARM little endian). Don't know what you're trying to accomplish but Nico's inference to read the FRAM (if it has one) seems the best way.

Edit: Added a picture (code graph) that show the different models involved... looks like there are lots of them.

KungFuJosh:

--- Quote from: nctnico on June 28, 2023, 08:34:14 pm ---It looks like the firmware image has 3 chunks and these are seperated by a header containing a text string 'B9FZI'

--- End quote ---

That only appears in the 2830 firmware. Did you find something similar in the 2832?

KungFuJosh:

--- Quote from: tv84 on June 28, 2023, 10:02:05 pm ---
--- Quote from: nctnico on June 28, 2023, 09:23:28 pm ---We need to call in forum member tv84 to take a look.

--- End quote ---

He has...  :)

What is that makes these devices so special?

Just loading with a totally random address, we can see plenty of code (ARM little endian). Don't know what you're trying to accomplish but Nico's inference to read the FRAM (if it has one) seems the best way.

Edit: Added a picture (code graph) that show the different models involved... looks like there are lots of them.

--- End quote ---

😇

I dunno, they're well made I guess? 😉

The goal is to get the features being blocked by the firmware; primarily an increase in frequency range, and a DC bias voltage function.

It is funny how many models are mentioned. Even in the plain text many are listed:
TH2830N TH2832X ST2832X TH2830L TH2832  ST2832  SM6024  eWK6302BQ   TH7832  9216B   JDI1022 TH7832A AMM3046 LCR2200 LN2020  TH2831  ST2831  M2831B  XTD4510 DHK6200 TX6200  AMM3044 TH2830  ST2830  SM6023  DHK6100 JCX860  TX6100  TH7830  TH2816D OCT1010 TH2830HY LCR2100


The TECPEL LCR-2100 looks like another 2830 clone, currently $700 on Amazon.

nctnico:

--- Quote from: KungFuJosh on June 28, 2023, 11:03:50 pm ---
--- Quote from: nctnico on June 28, 2023, 08:34:14 pm ---It looks like the firmware image has 3 chunks and these are seperated by a header containing a text string 'B9FZI'

--- End quote ---

That only appears in the 2830 firmware. Did you find something similar in the 2832?

--- End quote ---
I see it in all firmware files... I = letter I, not number!

BTW: I see the LPC1788 also has an internal EEPROM that may also hold information about the model.

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