FreeCalypso > hg > freecalypso-schem2
annotate venus/src/periph/sim_socket_wrap.v @ 36:c1256c8757c3
eliminate R209 and tie Iota VLMEM directly to UPR
We already eliminated R210 (VLMEM pull-down option) earlier, because
our simplified LCD power supply and reset line wiring is incompatible
with 1.8V MEMIF.  But with VLMEM always needing to be high, a pull-up
resistor offers no advantage over a direct tie to UPR, so let's
eliminate the superfluous resistor.
| author | Mychaela Falconia <falcon@freecalypso.org> | 
|---|---|
| date | Mon, 22 Nov 2021 19:19:59 +0000 | 
| parents | 5b18183f55bf | 
| children | 
| rev | line source | 
|---|---|
| 17 
5b18183f55bf
Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 1 /* This module is a wrapper around our SIM socket with card detect switch */ | 
| 
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Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 2 | 
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Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 3 module sim_socket_wrap (C1, C2, C3, C5, C6, C7, SW1, SW2); | 
| 
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Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 4 | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 5 inout C1, C2, C3, C5, C6, C7; | 
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Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 6 inout SW1, SW2; | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 7 | 
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Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 8 pkg_SIM_socket socket ( .pin_1(C1), | 
| 
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Venus src: SIM socket block captured
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 9 .pin_2(C2), | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 10 .pin_3(C3), | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 11 .pin_4(SW1), | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 12 .pin_5(C5), | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 13 .pin_6(C6), | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 14 .pin_7(C7), | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 15 .pin_8(SW2) | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 16 ); | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 17 | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 18 endmodule | 
