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

I'm sure that I can come up with something to generate one specific frequency at a time but am not quite sure about how about generating multiple ones at the same time with the SX chip.  It can probably all reside an an ISR   Since I was probably going to use some sort of RC circuit on the output to soften it a bit I thought it might be better to use a separate pin for each output.  At most there may be 4 tones at one time.

Has anyone used the SX like this?

Robert

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