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SRF-M97
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IC Pin Function Description
MAIN BOARD IC101 TC9329AFAG-609 (S.D) (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 4
COM1 to COM4
O
Common drive signal output to the liquid crystal display
5 to 16
S1 to S12
O
Segment drive signal output to the liquid crystal display
17
SIMUKE1
I
Setting terminal for the destination
"L": Except US and tourist model, "H": US and tourist model
18
SIMUKE2
I
Setting terminal for the destination "L": Except US model, "H": US model
19, 20
P9-0, P9-1
I
Not used
21, 22
KS1, KS2
O
Key source signal output to the key matrix
23 to 25
KR1 to KR3
I
Key return signal input from the key matrix
26
HOLD SW
I
HOLD switch input terminal "L": hold on
27
VDD
-
Power supply terminal (+1.5V)
28
BEEP
O
Beep signal output terminal
29
MONO/ST
O
Mono/stereo selection signal output terminal "L": stereo, "H": mono
30
AM BAND
O
AM band selection signal output terminal "H": AM
31
DDCON
O
DC/DC converter on/off control signal output terminal "L": DC/DC converter on
32
BAND2
O
Band selection signal output terminal "L": FM, "H": AM
33
TEST
I
Test mode control signal input terminal Not used
34
INT2
I
Battery detection signal input terminal
"L": battery mark residual quantity less display lights up
35
INT1
I
1.0V voltage detection signal input terminal
"L": battery mark residual quantity less display lights up
36
IF IN2
I
IF pulse signal input terminal Not used
37
GND
-
Ground terminal
38
OSC IN
I
VCO input from the FM/AM front-end
39
VDD
-
Power supply terminal (+1.5V)
40
D0
O
Phase comparator output terminal
41
VREG
-
Constant voltage power supply output terminal for the phase comparator (+1.5V)
42 to 45
P3-0 to P3-3
I
Not used
46 to 49
P5-0 to P5-3
I
Not used
50
MUTE
O
Muting on/off control signal output to the headphone power amplifier "L": muting on
51
POWER ON
O
Power supply on/off control signal output terminal "L": power on
52
BAND1
O
Band selection signal output terminal "L": AM, "H": FM
53
AMP ON
O
Audio amplifier on/off control signal output to the headphone power amplifier
"H": Audio amplifier on
54
RESET
I
System reset signal input from the reset signal generator "L": reset For several
hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
55
XOUT
O
System clock output terminal (75 kHz)
56
XIN
I
System clock input terminal (75 kHz)
57
GND
-
Ground terminal
58
VDB
-
Terminal for power supply voltage pressure up
59, 60
C1, C2
-
Connection terminal of the capacitor for power supply voltage pressure up
61
VEE
-
Constant voltage power supply output terminal for the liquid crystal display drive (+1.5V)
62, 63
C3, C4
-
Connection terminal of the capacitor for liquid crystal display drive voltage pressure up
64
VCLD
-
Liquid crystal display drive voltage power supply output terminal
Ver. 1.1
