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Pin No.
Pin Name
53
A MUTE
54
VDD
55
XT1
56
XT2
57
IC
58
X1
59
X2
60
SHIFT CK
61
BUSY/COLOR
62
DOOR-IN
63
KEYRET0
64
KEYRET1
65
KEYRET2
KEYRET3,
66, 67
KEYRET4
68
RESET
69
SEG0
70 to 80
SEG1 to SEG11
I/O
O
Audio line muting on/off selection signal output terminal "L": muting on
—
Power supply terminal (+5V)
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
—
Internal connection terminal (connected to power supply)
I
Main system clock input terminal (4.194MHz)
O
Main system clock output terminal (4.194MHz)
O
Shift clock output of the main system clock (4.194 MHz) "H" active
US model: Busy status monitor input from the CSV (Computer Sound Voice) processor (IC601)
"L": busy status
I/O
Except US model: LCD back light color selection signal output terminal
"L": amber, "H": green
I
CD lid open/close detection switch (S424) input terminal "L": CD lid is closed
US model: Key return signal input from the key matrix Talk 1 (sound mode is buzzer) is input
I
when alarm is turned on
Except US model: Key return signal input from the key matrix
US model: Key return signal input from the key matrix Talk 2 (sound mode is bird) is input
I
when alarm is turned on
Except US model: Key return signal input from the key matrix
US model: Key return signal input from the key matrix Talk 3 (sound mode is river) is input
I
when alarm is turned on
Except US model: Key return signal input from the key matrix
I
Key return signal input from the key matrix
System reset signal input from the reset signal generator (IC402) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Segment drive signal output terminal Not used (open)
O
Segment drive signal output to the liquid crystal display (LCD401)
Description
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