ZS-PS30CP
30
• IC Pin Function Description
MAIN BOARD IC801 TC94A77FG-735 (SY, H (CD DSP, SYSTEM CONTROLLER)
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
KEY1-I
I
Fornt panel key input terminal (A/D input)
4
KEY2-I
I
Front and top 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
USB GATE
I
Gate signal input from the USB controller
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
USB RX
I
Serial data input from the USB controller
32
USB TX
O
Serial data output to the USB controller
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
USB DATA
I
USB data input from the USB controller
36
VSS
-
Ground terminal
37
VDD1
-
Power supply terminal (+1.5V)
38
USB BCK
I
Bit clock signal input from the USB controller
39
USB LRCK
I
L/R sampling clock signal input from the USB controller
40
MOTOR-MUTE
O
Muting on/off control signal output to the coil/motor driver
41
USB 5V ON
O
USB +5V power on/off control signal output terminal
42
AUDIO IN-CHECK
I
AUDIO IN signal detection signal input terminal Not used
43
USB REQ
O
Request signal output to the USB controller
44
A MUTE
O
Audio muting on/off control signal output terminal “H”: muting on
45
USB RESET
O
Reset signal output to the USB controller “L”: reset
46
PCON
O
+9V power on/off control signal output terminal “H”: power on
47
USB 3.3V CHK
I
USB +3.3V power detection signal input terminal (A/D input)
48, 49
NC
O
Not used
50
VDD3
-
Power supply terminal (+3.3V)
51
,
52
O-SHIFT1
,
O-SHIFT2
O
Clock shift signal output terminal
53, 54
NC
O
Not used
55
USB PWR
O
Power control signal output to the USB controller
56
TU-RESET
O
Reset signal output to the FM/AM receiver “L”: reset
57
ACDC CHK
I
AC power detection signal input terminal (A/D input) “L”: DC power, “H”: AC power
58
USB SW EN
O
VBUS power on/off control signal output terminal
59
WR
O
Write clock signal output to the liquid crystal display driver
Содержание ZS-PS30CP
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