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| Sniffing the Rigol's internal I2C bus |
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| AndersAnd:
--- Quote from: gbot on January 27, 2014, 05:24:45 pm ---I'd be happy to know if the 2202A hardware is identical to the 2072A hardware. --- End quote --- It is. |
| gbot:
Thank you! --- Quote from: AndersAnd on January 27, 2014, 06:08:30 pm --- --- Quote from: gbot on January 27, 2014, 05:24:45 pm ---I'd be happy to know if the 2202A hardware is identical to the 2072A hardware. --- End quote --- It is. --- End quote --- |
| sled:
Watch out, here comes the dump: https://mega.co.nz/#!wwVi2YSZ!3o7nhjAZQ4RGAE4dks3HVjABZuFwiETEr78_JH2w-7s Scope: DS2072A, fresh out of the box, produced in week 42. JTAG Adapter: Altera USB Byteblaster Rev. C Time to dump the whole memory in one piece: ~2 hours Interestingly it was much quicker to dump the memory in pieces of 32M (took about 20minutes) |
| AndersAnd:
--- Quote from: granz on January 24, 2014, 02:26:13 pm --- --- Quote from: cepphus on January 24, 2014, 11:21:10 am --- Is this the JTAG that would work? I just got my 2072A and would just love to open it and play http://www.ebay.com/itm/150943500360 --- End quote --- Yes, that's the one. In the JTAG connection diagram posted a little while back I used the second setup (pull-ups on TRST and SRST lines -- don't connect these to the programmer at all), but either way should work for you. Good luck! --- End quote --- Altera USB-Blaster plug pinout (update) http://hackingbtbusinesshub.wordpress.com/2011/09/12/usb-blaster-plug-connection/ |
| sled:
here are some pics from my setup with the usb blaster, Color Coding: The TRST and SRST (white and violet) are NOT connected to the JTAG cable, they're only pulled high on the breadboard with the pull up resistors) Gray: TCK Green: TMS Blue: TDO Brown: TDI Orange & Black: GND Red: VCC (+3.3V) (The wire on the breadboard that looks gray, is actually white!) |
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