CXD3018Q/R
Pin Description
Pin No.
Output
values
I/O
O
Symbol
Description
CXD
CXD
3018R
3018Q
Sub Q 80-bit, PCM peak and level data outputs. CD TEXT data
output.
1
3
SQSO
1, 0
1, 0
2
4
SQCK
SBSO
EXCK
XRST
SYSM
DATA
XLAT
CLOK
SENS
SCLK
PWMI
VDD
I
O
I
SQSO readout clock input.
3
5
Sub P to W serial output.
4
6
SBSO readout clock input.
5
7
I
System reset. Reset when low.
6
8
I
Mute input. Muted when high.
7
9
I
Serial data input from CPU.
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
I
Latch input from CPU. Serial data is latched at the falling edge.
Serial data transfer clock input from CPU.
SENS output to CPU.
9
I
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
O
I
1, 0
SENS serial data readout clock input.
Spindle motor external control input.
Digital power supply.
I
—
—
I/O
I
—
—
VDD
Digital power supply.
ATSK
SPOA
SPOB
XLON
WFCK
XUGF
XPCK
GFS
1, 0
Anti-shock input/output.
Microcomputer extension interface (input A)
Microcomputer extension interface (input B)
Microcomputer extension interface (output)
WFCK output.
I
O
O
O
O
O
O
O
O
O
I/O
I/O
I/O
I/O
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
1, 0
XUGF output. MINT1 or RFCK is output by switching with the command.
XPCK output. MNT0 is output by switching with the command.
GFS output. MNT3 or XROF is output by switching with the command.
C2PO output. GTOP is output by switching with the command.
Outputs a high signal when either subcode sync S0 or S1 is detected.
4.2336MHz output. In CAV-W mode, 1/4 frequency division output for VCKI.
Word clock output. f = 2Fs.
C2PO
SCOR
C4M
WDCK
COUT
MIRR
DFCT
FOK
Track count signal input/output.
Mirror signal input/output.
Defect signal input/output.
Focus OK signal input/output.
GFS is sampled at 460Hz; when GFS is high, this pin outputs a
high signal. If GFS is low eight consecutive samples, this pin
outputs low. Or input when LKIN = 1.
31
32
33
34
LOCK
MDP
I/O
O
1, 0
1, Z, 0 Spindle motor servo control output.
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