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view venus/src/periph/buzzer_circuit.v @ 89:30f567edd2b6

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add option of reverting to Calypso FDP for flash reset
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 10 Dec 2021 22:40:08 +0000
parents 4a7db02ddd3e
children
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module buzzer_circuit (GND, VBAT, Digital_input);

input GND, VBAT;
input Digital_input;

wire Buzzer_neg;

buzzer_wrap buz (.Pos(VBAT), .Neg(Buzzer_neg));

clamp_diode_pair D_pair (.Signal(Buzzer_neg), .Pos_rail(VBAT), .Neg_rail(GND));

transistor_ext_bias npn (.E(GND), .B(Digital_input), .C(Buzzer_neg));

endmodule