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24
WM-FX522
Pin No.
Pin Name
I/O
Description
68
RADIO ON
O
Power on/off control signal output of the tuner circuit
“L”: power on (tuner on), “H”: power off (tape on)
69
NC
O
Not used
70
RESET
I
System reset signal input “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
71
XOUT
O
Main system clock output terminal (75 kHz)
72
XIN
I
Main system clock input terminal (75 kHz)
73
GND
—
Ground terminal
74
VDB
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
75, 76
C1, C2
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
77
VEE
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
78, 79
C3, C4
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
80
VLCD
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
Содержание Walkman WM-FX522
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