9.3. CD Servo Block
IC501 : MN101C28LAC
Pin
No.
Port
Description
I/O
(V)
1
VREF-
Reference voltage for ADC (GND)
-
0
2
PA0
(Connecting to GND)
-
0
3
PA1
Disc-In sensor
I
2.9
4
PA2
Feeder arm SW
I
3
5
PA3
Disc-Out sensor
I
3
6
PA4
Clamp SW
I
0
7
PA5
Inner SW
I
3.3
8
PA6
Disc-In sensor
I
1.5
9
PA7
Not used
-
3.3
10
VREF+
Reference voltage for ADC (+3.3V)
-
3.3
11
VDD
Power supply (+3.3V)
-
3.3
12
OSC2
System clock (7.37MHz)
O
1.6
13
OSC1
System clock (7.37MHz)
I
1.5
14
VSS
Ground
-
0
15
XI
(Connecting to GND)
-
0
16
XO (NC)
No connection
-
-
17
MMOD
(Connecting to GND)
-
0
18
SOM
Serial data output
O
0.5
19
SIM
Serial data input
I
0.5
20
SCK
Shift clock for serial data
I
3
21
SB01/P03
No connection
-
-
22
SUBC
CD-TEXT data
I
0
23
SBCK
CD-TEXT clock
O
3.3
24
P06 (NC)
No connection
-
-
25
RESET
Reset input
I
3.3
26
MDATA
MPU communication data
O
1
27
MCLK
Shift clock for MDATA
O
2.5
28
SCK
Shift clock for serial data
I
2.2
29
STAT
Servo LSI status
I
0
30
TM4IO/P14
No connection
-
-
31
POBF
MP3 DSP status
I
0
32
DATAREQ
MP3 DSP NEXT data request
I
3
33
CD. ON
CD operation mode
I
3.2
34
DQSY
CD-TEXT/SUBQ sync.
I
0
35
BLKCK
BLKCK signal
I
3.3
36
SQCK
Clock for sub. code data
I
1.5
37
SUBQ
Sub. code data
I
0
38
SBT2/P32
(Connecting to GND)
O
0
39
MLD
MPU command load
O
3.3
40
ACK
MP3 DSP acknowledge
O
0
41
IOSEL
Servo LSI mode setting
O
3.3
42
VDD2
Power supply for flash write
-
3.3
43
VPP
Power supply for flash write
-
3.3
44
DSPP0
MP3 DSP data (bit0)
I/O
0
45
DSPP1
MP3 DSP data (bit1)
I/O
0
46
DSPP2
MP3 DSP data (bit2)
I/O
0
47
DSPP3
MP3 DSP data (bit3)
I/O
0
48
DSPP4
MP3 DSP data (bit4)
I/O
0
49
DSPP5
MP3 DSP data (bit5)
I/O
0
50
DSPP6
MP3 DSP data (bit6)
I/O
0
51
DSPP7
MP3 DSP data (bit7)
I/O
0
52
PCS
MP3 DSP chip select
O
0
53
PWE
MP3 DSP write enable
O
0
54
PRE
MP3 DSP read enable
O
1.3
55
PIBE
MP3 status for data input
I
3.3
56
DSPRST
DSP reset
O
3.3
57
PRST
Servo LSI reset
O
2.2
58
STAT
Servo LSI status
I
0
59
DMUTE
Digital voice signal mute
O
0
60
TLOCK
Tracking lock
I
0
61
FLOCK
Focus lock
I
0
62
SENSE
Servo LSI detection
I
0
63
STOP
MP3 DSP stop
O
0
64
ERROR
MP3 DSP error detection
I
1.3
65
MUTE
Voice signal mute
O
2.5
66
TRV
Traverse motor control
I/O
1.6
67
PC1
Loading motor drive output cont.
O
0
68
PC2
Fo & Tr actuator driver output cont.
O
3.3
69
LOD
Loading motor control
I/O
1.6
70
P75 (NC)
No connection
-
-
71
P76 (NC)
No connection
-
-
72
GCTL
RF amp gain control
O
1.3
73
P87 (NC)
No connection
-
-
74
P86 (NC)
No connection
-
-
75
P85 (NC)
No connection
-
-
76
P84 (NC)
No connection
-
-
77
P83 (NC)
No connection
-
-
78
IPFLAG (NC) No connection
-
-
79
PHOTO
Photo sensor power control
O
0
80
P80 (NC)
No connection
-
-
6
CQ-DPX172U
Summary of Contents for CQDPX172U - AUTO RADIO/CD DECK
Page 3: ...7 WIRING CONNECTION 3 CQ DPX172U ...
Page 4: ...8 BLOCK DIAGRAM 4 CQ DPX172U ...
Page 15: ...12 EXPLODED VIEW Unit 15 CQ DPX172U ...
Page 17: ...14 EXPLODED VIEW CD Deck 17 CQ DPX172U ...
Page 24: ...17 SCHEMATIC DIAGRAM 1 17 1 Display Block 24 CQ DPX172U ...
Page 25: ...18 SCHEMATIC DIAGRAM 2 18 1 Main Block CQ DPX172U 25 ...
Page 27: ...17 SCHEMATIC DIAGRAM 1 17 1 Display Block 24 CQ DPX172U ...
Page 28: ...18 SCHEMATIC DIAGRAM 2 18 1 Main Block CQ DPX172U 25 ...
