Casio CZ-1 Service Manual And Spare Parts List page 95

(2)
Timing
chart
from
MSM6200
to
m°O8049HC
For sanding
mainly key
entry
and
initial
touch
data.
RD
007
~
000
INT
|«
630ni
*|
XEEX
(3)
Timing
chart
from
jiPD8049HC
to
MSM6200
For sending mainly request
command
of
key
entry
and key touch speed data.
I— .200m—
j
ALE
WR
007-000
-250ns-
x
Command DATA
XI
(4)
Timing
chart
from
pP08049HC
to
MSM6200
For
transmitting
mainly key
entry and key touch
speed data
in this
process.
07-00
010
:mdc
-
Data
load
"IT
SYNC49
WR49
CONT49
INT4&
IT IT
U
•
Key
interface
LSI requests interrupt to
CPU.
T
End
of data
transmit
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