--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/duart28/src/vsrc/FT2232D_chip.v	Sat Jun 13 06:38:05 2020 +0000
@@ -0,0 +1,78 @@
+/*
+ * This module encapsulates the FT2232D chip and its pinout.
+ */
+
+module FT2232D_chip (GND, AGND, VCC, AVCC, VCCIOA, VCCIOB, OUT_3V3,
+		USBDP, USBDM, EECS, EESK, EEDATA, RESET, RSTOUT, TEST, PWREN,
+		XTIN, XTOUT, ADBUS, ACBUS, SI_WUA, BDBUS, BCBUS, SI_WUB);
+
+input GND, AGND, VCC, AVCC, VCCIOA, VCCIOB;
+output OUT_3V3;
+
+inout USBDP, USBDM;
+output EECS, EESK;
+inout EEDATA;
+
+input RESET, TEST;
+output RSTOUT, PWREN;
+
+input XTIN;
+output XTOUT;
+
+inout [7:0] ADBUS, BDBUS;
+inout [3:0] ACBUS, BCBUS;
+input SI_WUA, SI_WUB;
+
+/* instantiate the package; the mapping of signals to pins is defined here */
+
+pkg_LQFP48 pkg (.pin_1(EESK),
+		.pin_2(EEDATA),
+		.pin_3(VCC),
+		.pin_4(RESET),
+		.pin_5(RSTOUT),
+		.pin_6(OUT_3V3),
+		.pin_7(USBDP),
+		.pin_8(USBDM),
+		.pin_9(GND),
+		.pin_10(SI_WUA),
+		.pin_11(ACBUS[3]),
+		.pin_12(ACBUS[2]),
+		.pin_13(ACBUS[1]),
+		.pin_14(VCCIOA),
+		.pin_15(ACBUS[0]),
+		.pin_16(ADBUS[7]),
+		.pin_17(ADBUS[6]),
+		.pin_18(GND),
+		.pin_19(ADBUS[5]),
+		.pin_20(ADBUS[4]),
+		.pin_21(ADBUS[3]),
+		.pin_22(ADBUS[2]),
+		.pin_23(ADBUS[1]),
+		.pin_24(ADBUS[0]),
+		.pin_25(GND),
+		.pin_26(SI_WUB),
+		.pin_27(BCBUS[3]),
+		.pin_28(BCBUS[2]),
+		.pin_29(BCBUS[1]),
+		.pin_30(BCBUS[0]),
+		.pin_31(VCCIOB),
+		.pin_32(BDBUS[7]),
+		.pin_33(BDBUS[6]),
+		.pin_34(GND),
+		.pin_35(BDBUS[5]),
+		.pin_36(BDBUS[4]),
+		.pin_37(BDBUS[3]),
+		.pin_38(BDBUS[2]),
+		.pin_39(BDBUS[1]),
+		.pin_40(BDBUS[0]),
+		.pin_41(PWREN),
+		.pin_42(VCC),
+		.pin_43(XTIN),
+		.pin_44(XTOUT),
+		.pin_45(AGND),
+		.pin_46(AVCC),
+		.pin_47(TEST),
+		.pin_48(EECS)
+	);
+
+endmodule