Panasonic SJ-MR220 Service Manual page 49

Pin Mark I/O
No. Division
23 SSCLK O
24 BUZZER O
25 RST I
26 SELAD O
27 ATRAC O
CNT
28 LCD STB O
29 MIC O
SENSE
30 EFMON O
31 OPENSW I
32 WAKEUP I
33 SCTSY I
34 CFSYNC I
35 MDISY I
36 LCD O
DATA
37 NC —
38 LCD CK I
39 CHARGE1 O
40 EEPCS O
41 EEPCK O
Function
MSP/MDA interface data
forward clock output
terminal
Buzzer output trminal
Reset signal input terminal
MSP/MDA interface
address signal output
terminal
ATRAC contorl output
terminal ("H":NORMAL, "L"
:HiFi)
LCD driver strobe signal
output terminal
MIC sensitivity select
output terminal
Magnetic head EFM drive
output terminal
Disc cover open/close
switch det. input terminal
("H":open, "L":close)
Micro computer wake up
signal input terminal
ADIP/sub A synchronize
signal from IC101 input
terminal
MDA synchronize signal
from IC101 input trminal
(11.6ms pulse)
Leader synchronize signal
from IC101 input terminal
LCD driver data output
terminal
Not used, open
LCD driver clock input
terminal
Recharging control output
terminal
EEPROM chip select
output terminal
EEPROM clock output
terminal
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