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IC DESCRIPTION
IC, TC9318FB-061
Pin No.
Pin Name
1 ~ 3
COM1 ~ COM3
4 ~ 18
S1 ~ S15
19
S16/KR7
20 ~26
S17/KR6 ~ S23/KR0
27 ~ 30
K0 ~ K3
31
MOT ON
32
MOT HI
33
MOT DIR
34
MOT BRAKE
35
LOAD CTL
36
4.8/2.4
37
F/R CTL
38
P/R CTL
39
TIMING SW
40
EJECT SW
41
STOP CTL
42
L.V.STOP
43
KEY IN
44
NC
45
SLSS
46
VZRS
47
P-MUTE
48
TEST
49
P-SNSR
50
SLSS PAUSE
51
S-MUTE
52
NC
53
GND
54 ~ 55
NC
56
VDD
57
RESET
58
XOUT
59
XIN
60
VXT
61
VLCD
62 ~ 63
C1 ~ C2
64
VEE
I/O
O
LCD driver common.
O
LCD driver output.
O
LCD driver output/Key return.
O
LCD driver output (not used)/Key matrix timing output.
I
Key matrix input.
O
Motor activation control. H : ON L : OFF.
O
Motor speed control. H : HI L : LO.
O
Motor rotate direction control. H : CCW L : CW.
O
Motor brake control. H : ON L : OFF.
O
Battery capacity check signal output. H : ON.
O
Tape speed control. H : 4.8 L : 2.4.
O
FWD/REV control. H : FWD L : REV.
O
Record/Playback power control. H : PLAY L : REC.
I
Mecha status detection switch input.
I
Mecha EJECT detection switch input.
O
AMP power control signal output. H : ON L : OFF.
I
Reduction voltage detection signal input. L : Reduce voltage.
I
Main key input.
I
Not connected.
O
SLSS control signal output. H : SLSS disable L : SLSS enable.
O
VZRS control signal output. H : VZRS disable L : VZRS enable.
O
Mute signal output. H : ON L : OFF.
I
TEST mode control input. (connected to ground)
I
Photo sensor signal input.
I
SLSS PAUSE signal input. H : OFF L : ON.
O
Mute signal output. H : ON L : OFF.
O
Not connected.
–
Connected to ground.
I
Not connected.
–
Power supply.
I
System reset signal input.
–
Crystal oscillator connection terminal.
–
Reference voltage for LCD drive.
–
Voltage booster for LCD drive.
–
1.5V fixed power supply for LCD drive.
Description
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