FreeCalypso > hg > freecalypso-schem2
annotate venus/src/pinouts/EMB9.pinout @ 96:ae6951a70d2b
U403: change from 74LVC2G125 to 74LVC2G126
The two parts have the same footprint and pinout, but '126 3-state buffers
have active-high OE inputs instead of active-low. The change is purely
for software benefit: having GPIO 11/12 set to 1 correspond to that current
contribution being enabled will be much more intuitive for developers and
tinkerers.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 09 May 2022 19:27:11 +0000 |
parents | df6086f8788d |
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rev | line source |
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3
df6086f8788d
venus/src/pinouts: from FCDEV3B and Tango
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 E:1 1 |
df6086f8788d
venus/src/pinouts: from FCDEV3B and Tango
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 B:1 2 |
df6086f8788d
venus/src/pinouts: from FCDEV3B and Tango
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 C:2 3 |
df6086f8788d
venus/src/pinouts: from FCDEV3B and Tango
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 E:2 4 |
df6086f8788d
venus/src/pinouts: from FCDEV3B and Tango
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 B:2 5 |
df6086f8788d
venus/src/pinouts: from FCDEV3B and Tango
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 C:1 6 |