DEH-P690UB/XN/UC
77
5
6
7
8
5
6
7
8
C
D
F
A
B
E
7.3 OPERATIONAL FLOW CHART
VCC=5 V
Pin 14
Power ON
bsens=
L
asens=
L
2 V < DSENS < 4.5 V
-
2 V < DSENS < 4.5 V
*2 AMPPW operates at the same time.
*1 DALMON, USBPW and USBCTL
operates at the same time.
bsens
Pin 73
asens
Pin 72
DSENS
Pin 91
SWVDD
t
H
Pin 38
ASENBO
t
H *1
Pin 80
Source keys
operative
Completes power-on operation.
(After that, proceed to each source operation)
H *2
Starts
communication
with Grille
microcomputer.
500 ms
300 ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 500 msec, the oscillator
may be defective.
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