Panasonic SJ-MJ88 Service Manual page 50

Portable md player
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Pin
Mark
I/O
No.
Division
22
SSDR
I
23
SSCLK
O
24
BUZZER
O
25
RST
I
26
CFSYNC
I
27
SELAD
O
28
29
MDISY
I
30
LD PWM
O
31
DCIN
I
WAKEUP
32
NRQ
I
33 MDASCSY
I
34
OPEN
I
SW
35
SCTSY
I
36~42
43 CHARGE1
O
44~46
47
HOLD
I
48
PLAY
I
KEY
49
REM
I
KEY
WAKEUP
50 DOCTOR
I
Function
Read data input terminal
for CPU interface
Clock output terminal for
CPU interface
Confirmation tone output
terminal
Reset signal input terminal
Synchronize signal input
terminal for CPU interface
Address select output
terminal for CPU interface
Not used, open
Reader synchronize signal
input terminal
Laser power controlling
PWM output terminal
Charger wakeup detection
signal input terminal
Microprocessor service
request input terminal
MDA service selector
signal input terminal
Lid open detection input
terminal (H:Open)
ADIP synchronize signal
input terminal
Not used, open
Recharging control output
terminal
Not used, open
HOLD SW input terminal (L:
HOLD)
PLAY PAUSE KEY input/
wake up input terminal
REM KEY input/micro
computer wake up input
terminal
Process inspection mode
input terminal (L:Process
inspection) (pulled up to V
DD via resistor)
50

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