FreeCalypso > hg > fc-small-hw

annotate bb2fc/schem+bom/U1.slotmap @ 28:bd7eec55ebc0

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duart28: new design ideas * added input buffers (LVC with Ioff feature) to prevent high current flow from powered-up target into powered-down FT2232D inputs; * added series resistors on outputs to limit current flow from powered-up adapter into powered-down Calypso target; * buffer IC changed from 74LVC125A to 74LVC541A.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 28 Jun 2020 22:06:24 +0000
parents 0f9bdd60ce50
children
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0f9bdd60ce50 fc-small-hw separated from old freecalypso-schem repo
Mychaela Falconia <falcon@freecalypso.org>
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1 #instance slot
0f9bdd60ce50 fc-small-hw separated from old freecalypso-schem repo
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2 U1slot1 1
0f9bdd60ce50 fc-small-hw separated from old freecalypso-schem repo
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3 U1slot2 2
0f9bdd60ce50 fc-small-hw separated from old freecalypso-schem repo
Mychaela Falconia <falcon@freecalypso.org>
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4 U1slot3 3
0f9bdd60ce50 fc-small-hw separated from old freecalypso-schem repo
Mychaela Falconia <falcon@freecalypso.org>
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5 U1slot4 4
0f9bdd60ce50 fc-small-hw separated from old freecalypso-schem repo
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6 U1common