In SX Microcontrollers, SX/B Compiler and SX-Key Tool, CounterRotatingProps wrote:

Jumping in here to ask a related question as I've been trying to glean from various posts what the actual bandwidth (or external chip communication "loading") is for the SX'es.  (Still hunting the posts and archives to see where this was discussed before.)

What would happen if PJ were to use his original code, with or without a small buffer, but use an SX 48 running at 75 mHz - without Interrupts? Would the handshaking perform better / correctly?

PJ, doing interrupts is pretty easy actually (until you have to deal with timing issues :-|   There's plenty of post and sample code. Check out some of the NV articles... it's well worth learning 'cause you can do such cool stuff with it. Actually, the background buffering of serial data streams was one of the earliest uses of interupts!

cheers,
Howard in Florida
PS. the level of mutual support here is incredible! Thanks all very much...

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