FreeCalypso > hg > freecalypso-schem2
annotate venus/src/periph/buzzer_circuit.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 | 4a7db02ddd3e |
children |
rev | line source |
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4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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1 module buzzer_circuit (GND, VBAT, Digital_input); |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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3 input GND, VBAT; |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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4 input Digital_input; |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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5 |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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6 wire Buzzer_neg; |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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8 buzzer_wrap buz (.Pos(VBAT), .Neg(Buzzer_neg)); |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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9 |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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10 clamp_diode_pair D_pair (.Signal(Buzzer_neg), .Pos_rail(VBAT), .Neg_rail(GND)); |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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11 |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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12 transistor_ext_bias npn (.E(GND), .B(Digital_input), .C(Buzzer_neg)); |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 |
4a7db02ddd3e
buzzer circuit implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 endmodule |