On Tue, Jul 26, 2022 at 8:55 AM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Tue, Jul 26, 2022 at 12:22 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > > Well it will work, because all values come out, however *during* > > the transfer, not *after* the transfer as intended with the > > STR signal. > > No. I think you missed one little but crucial detail. The strobe is > edge, not level, while you consider CS as a level signal (only). Aha! Then it works :) > See Figure 7 and Table 9 in the datasheet you linked to. When STR is > low, the data is not changed. Maybe it's not clear in this datasheet, > I found somewhere > in a more clear table. > > > At least how I see it ...? > > If what you are saying is true, the hardware is totally broken and I > wouldn't use it. I.o.w. if the strobe passes all data when it's at low > level and latches at low-to-high, it's broken by definition in my > point of view. I have seen strobes that are level-active in my life, but if you say this one isn't then all is fine! Yours, Linus Walleij
