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annotate duart28c/src/vsrc/board.v @ 46:d80978bd645e

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duart28c: started with a copy from duart28
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 29 Jul 2020 07:08:28 +0000
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d80978bd645e duart28c: started with a copy from duart28
Mychaela Falconia <falcon@freecalypso.org>
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1 module board ();
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2
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3 wire GND, P_5V, P_3V3, P_2V8;
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4
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5 wire [7:0] ADBUS, BDBUS;
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6 wire [3:0] ACBUS, BCBUS;
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7
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8 USB_block usb ( .GND(GND),
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9 .P_5V(P_5V),
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10 .VCCIOA(P_3V3),
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11 .VCCIOB(P_3V3),
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12 .ADBUS(ADBUS),
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13 .ACBUS(ACBUS),
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14 .SI_WUA(P_3V3),
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15 .BDBUS(BDBUS),
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16 .BCBUS(BCBUS),
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17 .SI_WUB(P_3V3),
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18 .PWREN() /* no connect */
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19 );
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20
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21 regulator_with_caps reg_3V3 (.GND(GND), .IN(P_5V), .OUT(P_3V3));
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22 regulator_with_caps reg_2V8 (.GND(GND), .IN(P_5V), .OUT(P_2V8));
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23
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24 application_block app ( .GND(GND),
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25 .P_3V3(P_3V3),
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26 .P_2V8(P_2V8),
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27 .ADBUS(ADBUS),
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28 .BDBUS(BDBUS)
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29 );
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30
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31 /* auxiliary 5V output */
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32
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33 header_2pin aux_5V (.pin_1(P_5V),
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34 .pin_2(GND)
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35 );
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36
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37 endmodule