I have programmed the CPLD with jtagkey and now urjtag recognize the IDCODE.
unfortunately I can use this buffer logic with my software because it expects a pass-througth jtag. I see that picotap can accomplish that. But I've not found svf for BBv4. Can you help me?
in normal mode, how the interface B is used? is pass-throught? use it the JP1 pins? if so, what is the pinout?
I installed D2xx driver and win 7 x64 recognize it (obviously 2 interface). I attached to my target (a st20 CPU) but I can' recognize the IDCODE. I use the FTDI delphi program:
So, considering that OLS can sample @200 mhz, I should analyze all 32 lines. To obtain the RAW data I need to write a sort of plugin that allow me to reconstruct data from sdram protocol I sniffed? Or is there some software that can handle it compatible with OLS?
I didn't know OLS has a buffer of just 24k . So that means I can sniff just 24K of signals? Can't I just empty the buffer and restart the sniffing? (Maybe not due to high velocity right?)
Regarding professional LA, this one is perfect, but it costs around 100k :) keysight U4154A (replace all capitalized C with / ) it has also a module that handle up to DDR4 sample rate.
I was wondering if OLS is able to sniff SDRAM protocol. I have a board with an ARM CPU connected to a 16 mb sdram chip 143 mhz (hynix HY57V283220T). What I just need is to sniff the bus in order to dump what CPU read/ write. In this way I could access directly to code loaded from flash (it's encrypted there).
Someone know if OLS can accomplish these velocities?
If not, what kind of logic analyzer I have to see?
