annotate doc/LCD-test-wiring @ 125:ddff76088d12

fc-simtool: add EF_DIR symbolic name
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 29 Jan 2021 03:10:55 +0000
parents 5eaf832d57d0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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12
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 Our LCD test program is written assuming the following GPIO wiring:
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 I/O0 (ACBUS0) is wired to the register select pin
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 I/O1 (ACBUS1) is wired to the reset pin