FreeCalypso > hg > fc-small-hw
comparison mmtb1/schem+bom/vsrc/led_circuit.v @ 0:0f9bdd60ce50
fc-small-hw separated from old freecalypso-schem repo
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Mon, 21 Oct 2019 00:53:38 +0000 |
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| children |
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| -1:000000000000 | 0:0f9bdd60ce50 |
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| 1 /* | |
| 2 * This module captures the circuit for showing the state of a digital signal | |
| 3 * on a LED without loading that digital signal by driving the LED from VBAT | |
| 4 * and using a MOSFET to control it. | |
| 5 */ | |
| 6 | |
| 7 module led_circuit (GND, VBAT, Signal); | |
| 8 | |
| 9 input GND, VBAT, Signal; | |
| 10 | |
| 11 wire R_to_LED, LED_to_Q; | |
| 12 | |
| 13 resistor R (VBAT, R_to_LED); | |
| 14 diode led (.A(R_to_LED), .C(LED_to_Q)); | |
| 15 mosfet Q (.G(Signal), .S(GND), .D(LED_to_Q)); | |
| 16 | |
| 17 endmodule |