7.3 OPERATIONAL FLOW CHART
Power ON
VDD=5V
68pin
bsens
66pin
L
asens
65pin
L
dsens
63pin
L
ADPW←H
20pin
swvdd←L
41pin
Source keys
operative
Source ON
YES
SYSPW←H
42pin
To each source's flow chart
Starts communication with Grille microcomputer.
300ms
300ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300msec, the oscillator
may be defective.
DEH-1100,11
59