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30
CXD112SQ Terminal Function
Terminal Terminal
I/O
I
Terminal Function
No.
Symbol
1
FSW
0
Output to shift time constant of output filter for spindle motor.
2
MON
0
ON/OFF control output for spindle motor.
3
MOP
0
Drive output for spindle motor. Rough control at CLV-S mode and phase control at CLV-P mode.
4
MDS
0
Drive output for spindle motor. Speed control at CLV-P mode.
5
EFM
I
Input of EFM signal from RF amplifier.
6
ASY
0
Output to control slice level of EFM signal.
7
LOCK
0
i
Sampling GFS signal by WFCK/16 and if it is "H", delivers "H"; if it is continuously "L" 8 times, delivers "L".
8
VCOO
0
!
VCO output. When EFM signal is locked, f=8.6436 MHz.
9
VCOI
I
!
VCO input.
10
TEST
I
I
(OV).
11
PDO
0
,
Phase comparing output for EFM signal and VCO/2.
12
Vss
-
: GND (OV).
13
CLK
I
;
Serial data transfer clock input from CPU. Latches data by rising edge of clock.
14
XLT
I
Input of Latch from CPU. Latches 8-bit shift register data (serial data from CPU) to each register.
15
DATA
I
I
Input of serial data from CPU.
16
XRST
I
!
System reset i npu t. Resets at "L".
17
CNIN
I
Input of tracking pulse.
18
SENS
0
!
Answer to address, output internal condition.
19
MUTG
I
i
Input of muting. When internal register A's ATTM is in "L", and MUTG is in "L" for normal condition;
"f;l"
for no sound condition.
20
CRCF
0
I
Output of CRC check result of sub-code Q.
!
21
EXCK
I
Clock input for serial output of sub-eode.
22
SBSO
0
!
Serial output of sub-eode.
23
SUBQ
0
I
Q output of sub-eode.
24
SCOR
0
Output of sub-code sync. SO
+
S1.
25
SQCK
I/O
i
Reading clock of sub-eode Q.
26
SQEX
I
Selection input of SQCK.
27
DOTX
0
Digital out output. (When CXD1130Q or DO is OFF, output WFCK.)
28
GFS
0
Output of indication for frame sync lock condition.
29
DB08
I/O
Data terminal of external RAM. DATA8 (MSB).
30
DB07
I/O
Data terminal of external RAM. DATA7.
31
DB06
I/O
Data terminal of external RAM. DATA6.
32
DB05
I/O
Data terminal of external RAM. DATA5.
33
V
oo
-
Power supply (+5V).
34
DB04
I/O
Data terminal of external RAM. DATA4.
35
OB03
I/O
Data terminal of external RAM. DATA3.
36
DB02
I/O
Data terminal of external RAM. DATA2.
37
DB01
I/O
Data terminal of external RAM. DATA1 (LSB).
38
RA01
0
Address output of external RAM. ADOR01 (LSB).
39
RA02
0
Address output of external RAM. ADDR02.
40
RA03
0
Address output of external RAM. ADDR03.
41
RA04
0
Address output of external RAM. AODR04.
42
RA05
0
Address output of external RAM. ADDR05.
43
RA06
0
Address output of external RAM. ADDR06.
44
RA07
0
Address output of external RAM. ADDR07.
45
RA08
0
Address output of external RAM. ADDR08.
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