ZS-S10CP
24
• IC Pin Function Description
MAIN BOARD IC801 TC94A77FG-734 (SY, H (CD DSP, SYSTEM CONTROLLER, LCD DRIVER)
Pin No.
Pin Name
I/O
Description
1
FMO
O
Spindle motor drive signal output terminal
2
DMO
O
Sled motor drive signal output terminal
3, 4
KEY1-I, KEY2-I
I
Top and fornt panel key input terminal (A/D input)
5
CD LIMIT/LID IN
I
CD limit switch and CD lid open/close detection switch input terminal
6
BATT-CHK-H
I
Battery power detection signal input terminal (A/D input)
7
6V CHK
I
+6V power detection signal input terminal (A/D input)
8
SIMUKE
I
Destination setting terminal
9
VREG
-
Reference voltage (+1.5V) terminal
10
MXO
O
System clock output terminal (4.19 MHz)
11
MXI
I
System clock input terminal (4.19 MHz)
12
VDD3
-
Power supply terminal (+3.3V)
13
VSS
-
Ground terminal
14
VSSP3
-
Ground terminal
15
VCOI
-
VCO input terminal
16
VDDP3
-
Power supply terminal (+3.3V)
17
AUDIO DET
I
AUDIO IN signal detection signal input terminal Not used
18
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 change to “H”
19
VDD1
-
Power supply terminal (+1.5V)
20
VSS
-
Ground terminal
21
DVSS3
-
Ground terminal
22
LO
O
Audio siganal (L-ch) output to the electrical volume
23
DVR
-
D/A converter eference voltage terminal
24
RO
O
Audio siganal (R-ch) output to the electrical volume
25
DVDD3
-
Power supply terminal (+3.3V)
26
XVSS1
-
Ground terminal
27
XI
I
System clock input terminal (16.9344 MHz)
28
XO
O
System clock output terminal (16.9344 MHz)
29
XVDD1
-
Power supply terminal (+1.5V)
30
POWER KEY
I
POWER key input terminal
31, 32
SHIFT2
,
SHIFT1
O
Clock shift signal output terminal
33
I2C SCL
O
I2C clock signal otuput to the FM/AM receiver, electrical volume and EEPROM
34
I2C SDA
I/O
I2C data bus with the FM/AM receiver, electrical volume and EEPROM
35
TU RESET
O
Reset signal output to the FM/AM receiver “L”: reset
36
VSS
-
Ground terminal
37
VDD1
-
Power supply terminal (+1.5V)
38
P-CONT
O
+9V power on/off control signal output terminal “H”: power on
39
A-MUTE
O
Audio muting on/off control signal output terminal “H”: muting on
40
MOTOR-MUTE
O
Muting on/off control signal output to the coil/motor driver
41
ACDC CHK
I
AC power detection signal input terminal (A/D input) “L”: DC power, “H”: AC power
42
NC
O
Not used
43 to 49
SEG15 to SEG9
O
Segment drive signal output to the liquid crystal display
50
VDD3
-
Power supply terminal (+3.3V)
51 to 58
SEG8 to SEG1
O
Segment drive signal output to the liquid crystal display
59 to 62
COM4 to COM1
O
Common drive signal output to the liquid crystal display
63
VDDM1
-
Power supply terminal (+1.5V)
64
HOLD
I
Hold signal input terminal Not used
65
VSS
-
Ground terminal
66
VDD1
-
Power supply terminal (+1.5V)
67
PDO
O
EFM and PLCK phase deference signal output terminal
68
TMAX
O
TMAX detection result output terminal
69
LPFN
I
PLL circuit LPF ampli
fi
er inversion input terminal
70
LPFO
O
PLL circuit LPF ampli
fi
er output terminal
71
PVREF
-
PLL circuit reference voltage (+1.65V) terminal
72
VCOF
-
VCO
fi
lter teminal
73
RVDD3
-
Power supply terminal (+3.3V)
Summary of Contents for ZS-S10CP
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