E474 Posted May 24, 2019 Share Posted May 24, 2019 Hi, Pretty much all of the logic level shifters I have seen can shift 4 signals, and also connect Ground and +5volts (so 6 connections in total). The diagrams for the designs I have seen also connect Data In, Data Out and Command, but that leaves 1 signal unused. Has any made a mod/interface which connects up an additional SIO connector pin, e.g. Audio In, etc.? Quote Link to comment Share on other sites More sharing options...
TGB1718 Posted May 24, 2019 Share Posted May 24, 2019 The use of level shifters is usually to allow 'real' hardware to work with things like SDrive-Max, the pins that are not used in the shifter circuit are for Cassette control, Audio and the +12V line, so without an SIO breakout, there would be no way to connect a cassette in this setup. Quote Link to comment Share on other sites More sharing options...
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