FreeCalypso > hg > freecalypso-schem2
view venus/src/periph/led_npn.v @ 80:ebdbf6e08d2b
charging LED series resistor nailed down
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 05 Dec 2021 04:27:10 +0000 |
parents | 06e95ff0023b |
children |
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/* * This module captures the circuit for showing the state of a digital signal * on a LED using an NPN transistor instead of a MOSFET, like we did for PWL * on Caramel2. */ module led_npn (GND, VBAT, Signal); input GND, VBAT, Signal; wire R_to_LED, LED_to_Q; resistor R (VBAT, R_to_LED); basic_LED led (.A(R_to_LED), .C(LED_to_Q)); transistor_slot Q (.E(GND), .B(Signal), .C(LED_to_Q)); endmodule