[sdiy] Techniques for Multiplying MIDI Clock frequency?

mskala at northcoastsynthesis.com mskala at northcoastsynthesis.com
Fri Dec 24 01:34:43 CET 2021

On Thu, 23 Dec 2021, Brian Willoughby wrote:
> Your example of "boot" and "full HID" protocols probably involves
> multiple Interfaces. Although I don't recall whether Low Speed allows
> for multiple interfaces, it's certainly possible that the total number
> of endpoints could be greater when including all interfaces versus the

Yes - the one I have handy is a no-name typing keyboard that identifies
itself as "1c4f:0002 SiGma Micro Keyboard TRACER Gamma Ivory" and it has
two interfaces, one for the boot protocol and one for the report protocol,
each with one interrupt in endpoint.

Matthew Skala
North Coast Synthesis Ltd.

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