FreeCalypso > hg > fc-small-hw

diff duart28/src/vsrc/board.v @ 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 9e71844f4db0
children
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--- a/duart28/src/vsrc/board.v	Sat Jun 13 18:12:28 2020 +0000
+++ b/duart28/src/vsrc/board.v	Sun Jun 28 22:06:24 2020 +0000
@@ -22,6 +22,7 @@
 regulator_with_caps reg_2V8 (.GND(GND), .IN(P_5V), .OUT(P_2V8));
 
 application_block app ( .GND(GND),
+			.P_3V3(P_3V3),
 			.P_2V8(P_2V8),
 			.ADBUS(ADBUS),
 			.BDBUS(BDBUS)