Hi All, I hear this mailing list covers the SM1000 hardware implementation.
I am thinking of (well, I've started) designing a "module" version designed to plug into a rig. The idea being that if you're building a radio you can include a small plug-in module on pin headers that adds digital voice. Because it lives inside other equipment it can be smaller and simpler than the SM1000, just keeping the core functionality without the isolated interfaces, external enclosure, etc. Essentially it's a stripped-down SM1000 in a smaller physical form factor. I've not got as far as a draft placement but I am anticipating something on the order of 50 mm square. Is anyone else interested in this? Any comments or suggestions? If no-one else wants it I will probably build a few for myself anyway. Software is not my thing so unless there's a good reason otherwise I expect it to run the standard SM1000 firmware. A couple of things I have not been able to work out, 1. what's the not-fitted EEPROM intended for? and 2. what is the USB OTG used for? It looks like device mode is used for updates but in what situation would host mode be used? Richard M1FJA
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