FreeCalypso > hg > freecalypso-schem2

annotate venus/src/slotmap/U403 @ 96:ae6951a70d2b

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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>
date Mon, 09 May 2022 19:27:11 +0000
parents d55824058cfc
children
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d55824058cfc LCD subsystem integrated
Mychaela Falconia <falcon@freecalypso.org>
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1 #instance slot
d55824058cfc LCD subsystem integrated
Mychaela Falconia <falcon@freecalypso.org>
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2 mob.lcd.bl.cursel.buf_GPIO11 1
d55824058cfc LCD subsystem integrated
Mychaela Falconia <falcon@freecalypso.org>
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3 mob.lcd.bl.cursel.buf_GPIO12 2
d55824058cfc LCD subsystem integrated
Mychaela Falconia <falcon@freecalypso.org>
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4 mob.lcd.bl.cursel.U403_common