Logic Sniffer: Feature status

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Features working in bitstream versions
Featurev2.1v2.11v2.12
Fast SPI data bus X X X
Dynamic memory X
RLE 32bit only 8/16/32bit 32bit only
  • Fast SPI data bus - the FPGA and PIC communicate over a fast SPI data bus (new in v2)
  • Dynamic memory - more memory is available when fewer channels are used (new in v2.12)
  • RLE - compression method (32bits usually ok, other configurations still in progress)
Features working in firmware versions
Featurev0.4v0.5v0.6v2.0v2.1
Fast SPI data bus XXXXX
SPI data queuing XXXX
Binary self-test X


  • Fast SPI data bus - the FPGA and PIC communicate over a fast SPI data bus (firmware v0.4+)
  • SPI data queuing - reduces USB overhead by queuing data in to packets (new in v0.5, fixed in v0.6)
  • Binary self-test - A completely revamped self-test in v2.1+ can be triggered from ROM update mode, results can be read out for debugging