Sega CD II User Manual

Pin I
No.
Name
j 110 \
Function
24 i
SCOR
!
0
Subcode sync SO+ SI output.
25
SQCK
1/0
Subcode Q reading clock.
26
I
SQEX
I
SOCK select input. (see CPU interface)
27
DOTX 0
Die:ital outout. (WFCK is outout when DO is off)
28
GFS 0
Output to display the frame sync locked state.
29
·.
-
30
TEST
I
Fixed at "H"
or "L", do not set to open.
-
31
-
32
33
Vnn
-
Power supply. (+SV)
34
-
3S
-
36
-
37
-
38
-
39
,__
40
...__
41
,__
42
TEST
,__
I
Fixed at "H"
or "L", do not set to open.
43
,__
44
,__
45
-
46
-
47
-
48
-
49
-
50
SI
C4M
0 Crystal oscillator's frequency divided output. f = 4.2336MHz. (8.4672MHz during double-speed play)
52
Yss
-
GND(OV)
53 XTAl I
Crystal oscillator input. The frequency
is determined as 8.4672MHz or 16.9344MHz
- ~- -·-·--
- -
-
_( during double-spee g_ J!layj__Qy the mod~~elec !_i nputs . _
- --- - - --~ ----- --~- ---·-
54
XTAO
0
Crystal oscillator output. The frequency is determined as 8.4672MHz or 16.9344MHz
(during double-speed play) by the mode select inputs.
55 MDI I Mode select input
l.
56
MD2 I
Mode select input 2.
57
MD3
I Mode select input 3.
58 SLOB I Input to switch the audio data output code. "L": complementary output, "H": offset binary output.
59 PSSL
I
Input to switch the audio data output mode. "L": serial output, "H": parallel output.
60
APTR
0
Apenure correction control output. "H": R-ch.
61 APTL
0
Aperture correction control output. "H": L-ch.
62
DAOI
0
DAOl (LSB of parallel audio data) output when PSSL is "H". Cl Fl output when PSSL is "L".
63
DA02
0
DA02 output when PSSL is "H". ClF2 output when PSSL is "L".
64
DA03
0
DA03 output when PSSL is "H". C2Fl output when PSSL is "L".
65
DA04
0
DA04 output when PSSL is "H". C2F2 output when PSSL is "L".
66
DADS
0
DADS output when PSSL is "H". C2FL output when PSSL is "L".
67
DA06
0
DA06 output when PSSL is "H". C2PO output when PSSL is "L".
68 DA07
0
DAD7 output when PSSL is "H". RFCK output when PSSL is "L".
69
DADS
0
DA08 output when PSSL is "H". WFCK output when PSSL is "L".
70
DA09
0
DA09 outout when PSSL is "H". PLCK outout when PSSL is "L".
71
DAlO
0
DAJO output when PSSL is "H". UGFS output when PSSL is "L".
72
DAll
0
DAI I output when PSSL is "H''. GTOP output when PSSL is "L".
73
Vnn
-
Power supply. (+SV)
74
DA12
0
DA12 output when PSSL is "H".
RAOV output when PSSL is "!,:'.
75
DAl3 0
DAl3 output when PSSL is "H''.
C4LR output when PSSL is "L".
76
DA14
0
DA14 output when PSSL is "H".
BCLK output when PSSL
is "L".
77
DAIS
0
DAIS outout when PSSL is "H". BCLK outout when PSSL is "L".
78
DA16
0
DAI 6 (MSB of parallel audio data) output when PSSL is "H". DATA output when PSSL is "L".
79
WDCK
0
Strobe signal output. 176.4kHz (352.SkHz in double-speed play) when DF is on, and 88.2kHz
(176.4kHz in double-speed play) when DF
is off.
80
LRCK
0
Strobe signal output. 88.2kHz (l 76.4kHz in double-speed play) when DF is on, and 44. lkHz (88.2kHz
in double-speed play) when DF is off.
29

Sega CD II Specifications

General

Brand	Sega
Model	CD II
Category	Game Console
Language	English