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74
HCD-GX255/RG170/RG470
CD-G BOARD IC1001 TC9411AFG (BS, K) (CD GRAPHICS DECODER)
Pin No.
Pin Name
I/O
Description
1
SESUB
I
Not used
2
CLCK
O
Serial data transfer clock signal output to the CD DSP
3
DATA
I
Serial data input from the CD DSP
4
SBSY
I
Subcode Q sync (SCOR) input from the CD DSP
5
SFSY
I
WFCK signal input from the CD DSP
6
MUTE
I
Muting control signal input from the system controller
7
VDD1
-
Power supply terminal (+5V)
8
VSS1
-
Ground terminal
9
MCE
I
Chip enable signal input terminal Not used
10
MCDO
O
Serial data output terminal Not used
11
MCDI
I
Serial data input terminal Not used
12
MCCK
I
Serial data transfer clock signal input terminal Not used
13
WE
O
Write enable signal output to the D-RAM
14
RAS
O
Row address strobe signal output to the D-RAM
15 to 22
VA0 to VA7
O
Address signal output to the D-RAM
23
VSS2
-
Ground terminal
24
VDD2
-
Power supply terminal (+5V)
25
VD0
I/O
Two-way data bus with the D-RAM
26
CAS
O
Column address strobe signal output to the D-RAM
27
VD1
I/O
Two-way data bus with the D-RAM
28
OE
O
Data read strobe signal output to the D-RAM
29, 30
VD2, VD3
I/O
Two-way data bus with the D-RAM
31
BLANKIN
I
Blank signal input terminal Not used
32
BIN
I
RGB (B) signal input terminal Not used
33
GIN
I
RGB (G) signal input terminal Not used
34
RIN
I
RGB (R) signal input terminal Not used
35
HSYNC
O
Horizontal synchronize signal output terminal Not used
36
VSYNC
O
Vertical synchronize signal output terminal Not used
37
CDET
O
CD-G detection signal output terminal
38
VON
I
Video on control signal input terminal Not used
39, 40
TEST1, TEST2
I
Test mode setting terminal
41
LINESW
I
Line switch input terminal Not used
42
VREF
I
Reference voltage input terminal
43
AVDD
-
Power supply terminal (+5V)
44
VDOUT
O
Video signal output terminal
45
AVSS
-
Ground terminal
46, 47
BIAS1, BIAS2
I
For bias setting terminal
48
VSS3
-
Ground terminal
49
VDD3
-
Power supply terminal (+5V)
50
QNG
O
Not used
51
PNG
O
Not used
52
DEN
I
NTSC/PAL switching control signal input terminal
53
FSC
O
Not used
54
RESET
I
System reset signal input from the system controller
55
SENTSC
I
Mode setting terminal
56
PDOWN
I
Mode setting terminal
Summary of Contents for HCD-GX255
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