Products > Test Equipment
Sniffing the Rigol's internal I2C bus
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alank2:

--- Quote from: neamyalo on December 23, 2013, 11:51:46 pm ---It looks like setting the remotetimeout to 10 has solved it.

--- End quote ---

Do you have the dump yet?
AndersAnd:

--- Quote from: Carrington on December 23, 2013, 06:38:19 pm ---
--- Quote from: apelly on December 23, 2013, 06:29:56 pm ---Sorry about the quality.

--- End quote ---
No problem. Thanks again.

In the input stage they also change a bipolar trt!!! What is the SMD marking code? R2W..? -> BFR93A?


--- End quote ---

Analog Devices ADR5044A (4.096 V Precision Micropower Shunt Mode Voltage Reference) has a R2W marking on it. (See bottom of page 14): http://www.analog.com/static/imported-files/data_sheets/ADR5040_5041_5043_5044_5045.pdf

http://www.analog.com/ADR5044


Not sure if any other devices has the same R2W marking on them too or not.

neamyalo:
I'm having a few issues with my JTAG probe and urJtag (using a J-Link on Windows)

I captured the main region from 0x20000000 - 0x20400000, and a few others too, but then the JTAG link hung for some reason and I had to reboot the scope trying to get things talking again, so will need to start again.

Anyway, here is what I managed to get.....

Scope was fully booted and running (its an untouched DS2072A).

SW/FW details are:
- SW 00.02.00.00.04
- HW 1.0.2.0.2
- FPGA:
--- SPU 03.01.09
--- WPU 00.07.01
--- CCU 12.29.00
--- MCU 02.13
PA0PBZ:
Well, I changed the jumper settings on my non-A version 2 hardware to reflect the -A settings (moved one resistor from the upper row to the lower row), but I can't find anything that has changed. The 50 Ohm is still greyed out and the model is still non-A. It has the latest software, and I tried booting with left-F6. Maybe it needs a factory reset, but I'm not sure how to do that.
alank2:
neamyalo you have my thanks!
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