FreeCalypso > hg > freecalypso-schem2

diff venus/src/periph/alt_boot_ctrl.v @ 83:c27854430cb3

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add 3-pin header for possible external boot control
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 08 Dec 2021 05:32:47 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/venus/src/periph/alt_boot_ctrl.v	Wed Dec 08 05:32:47 2021 +0000
@@ -0,0 +1,22 @@
+/*
+ * Alternative boot controls in the mobile domain,
+ * besides USB domain OD buffers.
+ */
+
+module alt_boot_ctrl (GND, RPWON, nTESTRESET);
+
+input GND;
+output RPWON, nTESTRESET;
+
+/* manual RESET button */
+
+keyswitch_wrap reset_sw (nTESTRESET, GND);
+
+/* external boot control header */
+
+header_3pin boot_ctrl_header (.pin_1(GND),
+			      .pin_2(RPWON),
+			      .pin_3(nTESTRESET)
+	);
+
+endmodule