FreeCalypso > hg > freecalypso-schem2

diff venus/src/usb/usb_domain.v @ 39:3becdb3b6dce

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implement USB domain load resistor as proposed in document
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Nov 2021 23:08:09 +0000
parents 4722b265cb8c
children
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--- a/venus/src/usb/usb_domain.v	Fri Nov 26 23:02:19 2021 +0000
+++ b/venus/src/usb/usb_domain.v	Fri Nov 26 23:08:09 2021 +0000
@@ -36,6 +36,9 @@
 
 regulator_with_caps reg_3V3 (.GND(GND), .IN(P_5V), .OUT(P_3V3));
 
+/* load resistor per USB-and-mobile-domains article section 2.4.1 */
+resistor Rload (P_3V3, GND);
+
 usb_domain_buf buf (.GND(GND),
 		    .P_3V3(P_3V3),
 		    .Int_TxD(ADBUS[0]),