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(MESS) victor9k: Added keyboard PCB layout. (nw)

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This commit is contained in:
Curt Coder 2014-12-09 15:39:53 +02:00
parent 3e60e1a606
commit 96f6629dc5
1 changed files with 31 additions and 0 deletions
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31
src/mess/machine/victor9kb.c
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@ -9,6 +9,37 @@
*********************************************************************/
/*
PCB Layout
----------
A65-02307-201D
|-----------------------------------------------------------------------|
| 22-008-03 22-050-3B 8021 74LS14 CN1|
| ?MHz |
| |
| |
| |
| |
| |
| |
| |
| |
| |
|-----------------------------------------------------------------------|
Notes:
All IC's shown.
8021 - Intel 8021 "70-8021-130?"
22-008-03 - Exar Semiconductor XR22-008-03 keyboard matrix capacitive readout latch
22-050-3B - Exar Semiconductor XR22-050-3B keyboard matrix row driver with 4 to 12 decoder/demultiplexer
CN1 - keyboard data connector
*/
#include "victor9kb.h"