On Tue, 27 Jan 2015 22:36:03 +0200 Tudoran Mihail <[email protected]> wrote:
> Hello, > > I am encountering some issues trying to read a Pm25LV512 SPI flash from a > small LCD monitor, really got stuck at this point. > > Hardware: > - Pm25LV512 attached to a Weltrend WT8871 video IC > - Arduino UNO R3 with 16u2 USB<>Serial converter > - CD4050 to convert 5v to 3v3 > - Used the schematic provided on http://flashrom.org/Serprog/Arduino_flasher > to interface the chip > - Tried "in-circuit" programming without removing the chip from the board > - Wire length of less than 8cm. > > Software: > > - Latest serprog-duino from git > - Tried with flashrom v0.9.6.1-r1563 > - And with flashrom v0.9.7-r1711 > - Ubuntu 14.04 64bit > > I really appreciate any help I could get and can provide any info/logs > needed. > The result looks as if you are reading random data... either your connections are wrong/bad, or the board is disturbing the communication on the SPI bus. See also http://flashrom.org/ISP -- Kind regards/Mit freundlichen Grüßen, Stefan Tauner _______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
