Table of Contents
Advertisement
HCD-EX200
Q Q
3 7 6 3 1 5 1 5 0
5-15. IC PIN FUNCTIONS
• IC303 DIGITAL SERVO & DIGITAL SIGNAL PROCESSOR (CXD2585Q) (MAIN Board (1/3))
Pin No.
Pin Name
I/O
I
1
DVDD
Power supply
I
2
XRST
System reset input "L" : reset
I
3
MUTE
Muting input "H" : mute
I
4
DATA
Serial data input, supplied from CPU
5
XLAT
I
Latch input, supplied from CPU
6
CLOK
I
Serial data transfer clock input, supplied from CPU
7
SENS
O
SENS signal output to CPU
8
SCLK
I
SENS serial data read-out clock input
9
ATSK
I
Input pin for anti-shock (Connected to ground)
10
WFCK
O
Not used
11
XUGF
O
XPGF signal output (For check pin)
12
XPCK
O
XPCK signal output (For check pin)
GFS
O
GFS signal output (For check pin)
13
C2PO
O
C2PO signal output (For check pin)
14
SCOR
O
Sub-code sync output
15
CM4
O
4.2336 MHz output (Not used)
16
WDCK
O
Word clock output (ƒ = 2Fs) (Not used)
17
DVSS
–
Digital ground
18
COUT
I/O
Numbers of track counted signal input/output (Not used)
19
MIRR
I/O
Mirror signal input/output (Not used)
20
DFCT
I/O
Defect signal input/output (Not used)
21
T E
L
1 3 9 4 2 2 9 6 5 1 3
FOK
I/O
Focus OK input/output (Not used)
22
PWMI
I
Spindle motor external control input (Connected to ground)
23
I/O
24
LOCK
GFS is sampled by 460 Hz. H when GFS is H (Not used)
O
25
MDP
Output to control spindle motor servo
26
SSTP
I
Input signal to detect disc inner most track
27
FSTO
O
2/3 divider output (Not used)
28
DVDD1
I
Power supply
29
SFDR
O
Sled drive output
30
SRDR
O
Sled drive output
31
TFDR
O
Tracking drive output
32
TRDR
O
Tracking drive output
33
FFDR
O
Focus drive output
FRDR
O
Focus drive output
34
DVSS1
–
Digital ground
35
TEST
I
TEST pin connected normally to ground
36
TES1
I
TEST pin connected normally to ground
37
VC
I
Center voltage input
38
FE
I
Focus error signal input
39
SE
I
Sled error signal input
40
• Abbreviation
GFS : Guarded Frame Sync
w w w
Function
x
a o
y
.
i
http://www.xiaoyu163.com
8
Pin No.
Pin Name
41
TE
42
CE
43
RFDC
44
ADIO
45
AVSS0
46
IGEN
47
AVDD0
48
ASYO
49
ASYI
50
RFAC
51
AVSS1
52
CLTV
53
FILO
54
FILI
55
PCO
56
AVDD1
57
BIAS
58
VCTL
59
V16M
60
VPCO
61
DVDD2
Q
Q
3
7
6
3
62
ASYE
63
MD2
64
DOUT
65
LRCK
66
PCMD
67
BCLK
68
EMPH
69
XTSL
70
DVSS2
71
XTAI
72
XTAO
73
SOUT
74
SOCK
75
XOLT
76
SQSO
77
SQCK
78
SCSY
79
SBSO
80
EXCK
• Abbreviation
EFM : Eight to Fourteen Modulation
PLL : Phase Locked Loop
u 1 6 3
.
30
30
http://www.xiaoyu163.com
2
4
9
9
8
I/O
Function
I
Tracking error signal input
I
Center servo analog input (Connected to ground)
I
RF signal input
O
Not used
–
Analog ground
I
Stabilized current input for operational amplifiers
I
Power supply
O
EFM full swing output
I
Asymmetry comparate voltage input
I
EFM signal input
–
Analog ground
I
Control voltage input for master VCO1
O
Filter output for master PLL
I
Filter input for master PLL
O
Charge-pump output for master PLL
I
Power supply
I
Asymmetry circuit constant current input
I
VCO2 control voltage input (Connected to VDD)
I/O
Not used
O
Not used
I
Power supply
1
5
1
5
0
8
9
2
4
I
Asymmetry circuit ON/OFF input "L" OFF, "H" : ON (Connected to VDD)
I
Digital-out ON/OFF control input (Connected to VDD)
O
Digital-out output pin
O
D/A interface LR clock output (ƒ = Fs)
O
D/A interface serial data output
O
D/A interface bit clock output
O
Playback disc output in emphasis mode (Not used)
I
X'tal selection input (Connected to ground)
–
Digital ground
I
X'tal oscillator circuit input
O
X'tal oscillator circuit output (Not used)
O
Serial data output in servo block (Not used)
O
Serial data read clock output in servo block (Not used)
O
Serial data latch output in servo block (Not used)
O
Sub-Q 80-bit and PCM peak level data output (CD text data output)
I
Clock input for SQSO read-out
I
Connected to ground
O
Sub-P through Sub-W serial output (Not used)
I
Clock input for SBSO read-out (Connected to ground)
m
c o
2
9
9
9
8
2
9
9
Advertisement
Table of Contents
