Am 30.08.20 um 18:04 schrieb Frank Wolf: > But GATE_IN is definitely a latch enable signal and R/W# is latched. I > reversed it from the die > and my conclusions were tested and proven; you certainly followed my > posts on F64 ;) That's what I've figured out from the timing diagrams in the system manual as well some time ago. > On 30.08.2020 17:59, Gerrit Heitsch wrote: >> On 8/30/20 5:39 PM, Frank Wolf wrote: >>> Hi _at_ll, >>> >>> almost right... R/W# can change as long as GATE_IN is high. In other >>> words: Francesco is right. >> >> Never saw it change anywhere else but on the rising edge of MUX >> though. The difference between what you see on the scope and what the >> circuit really does. :) >> Of course you see it changing at the rising edge - that's when the latch goes to transparent mode again. ;-) Even if the core changes R/W before (what it does IMHO) you won't see it on the R/W pin outside because it's "masked" by the latch.Received on 2020-08-30 19:00:42
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