projects:zturn-hackers:gpio-addon
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+ | ==== Details ==== | ||
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+ | == Power == | ||
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+ | The board features two ways of powering the buffers, selectable by J1 jumper pins: | ||
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+ | * EXT 3.3V - uses the 1117 linear regulator on the PCB, which is connected to the Z-turn' | ||
+ | * INT 3.3V - uses 3.3V supplied by the Z-turn board | ||
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+ | Of course you can connect your own supply to one of the VCC pins if you want to (after removing the jumper). | ||
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+ | == I/O Pins == | ||
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+ | The board features five 8-bit bi-directinal buffers - [[http:// | ||
+ | The direction can be set individually for each buffer. | ||
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projects/zturn-hackers/gpio-addon.txt · Last modified: 2015/12/17 20:03 by emeryth