FreeCalypso > hg > freecalypso-schem2
annotate venus/src/periph/led_mosfet.v @ 69:de44df15cf05
MCL capacitors: convert to parts
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 02 Dec 2021 07:20:13 +0000 |
parents | 06e95ff0023b |
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rev | line source |
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52
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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1 /* |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * This module captures the circuit for showing the state of a digital signal |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * on a LED without loading that digital signal by driving the LED from VBAT |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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4 * and using a MOSFET to control it. |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 */ |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 module led_mosfet (GND, VBAT, Signal); |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 input GND, VBAT, Signal; |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 wire R_to_LED, LED_to_Q; |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 resistor R (VBAT, R_to_LED); |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 basic_LED led (.A(R_to_LED), .C(LED_to_Q)); |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 mosfet Q (.G(Signal), .S(GND), .D(LED_to_Q)); |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 |
06e95ff0023b
ON_nOFF indicator LED implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 endmodule |