FreeCalypso > hg > fc-small-hw
annotate lunakpd1/README @ 77:4c5675c79555
lunalcd3.pcb: add orientation marker to SW1
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 18 Nov 2021 07:40:13 +0000 |
parents | 680be2e17f00 |
children |
rev | line source |
---|---|
56
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 The board in this directory is a 5x5 keyswitch matrix meant to be connected to |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 the Calypso chip's keypad interface (KBR and KBC lines), or more specifically |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 to the corresponding group of pins on the expansion interface on iWOW DSK or |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 FC Caramel2 boards. |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 The 5x5 keyswitch matrix itself is fully generic, but PCB silk screen labels |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 next to each button assign logical meanings that correspond to TI's original |
680be2e17f00
lunakpd1/README added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 D-Sample keypad layout. |