— 41 —
6-13. IC PIN FUNCTION
• IC504 SYSTEM CONTROL (M30610MC-103FP)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
I
O
O
O
O
O
I
I
I
O
O
I
O
—
I
—
I
I
O
I
O
O
O
O
I
I
O
O
I
I
O
I
O
O
—
I
O
O
—
—
—
—
—
O
—
O
O
O
O
I
Description
Internal State (SENS) monitor input from BD board
SENS Serial data reading clock output to BD board
Serial data output to BD board
Latch output to BD board
Serial data clock output to BD board
Laser diode ON/OFF output
Remote control input
External data bus width 8-bit at "H"
Single chip/memory extension mode at "L"
Mute switching to BD board
Double speed selection (Double speed at "L")
Reset signal input
X' tal osillator circuit output
Ground
X' tal oscillator circuit input
Power supply (+5V)
"H" (For interrupt, not used)
Subcode sync input from BD
RF gain select (H: gain up)
Interrupt request input from CXD1852
DVE chip select
DAC chip select (K550) (Not used:K750)
NTSC/PAL output select
DSP system select
Jog input 1
Jog input 2
Loading motor control (Out)
Loading motor control (In)
Tray in-limit switch
Tray out-limit switch
Serial data output
KARAOKE DSP serial data input (K750) (Not used:K550)
Clock for serial 1
OSD chip select
(Not used)
Sub Q 80-bit input
Sub Q read clock
Power ON/OFF (H: on)
(Not used)
(Not used)
(Not used)
(Not used)
(Not used)
Bus read output
(Not used)
Bus write output
CXD1852 chip select
Audio mute signal output (H: mute)
Serial data latch to KARAOKE DSP. (K750) (Not used:K550)
Communication enable signal from KARAOKE DSP (H: Input) (K750) (Not used:K550)
Pin Name
SENS
SCLK
DATA
XLT
CLK
LDON
SIRCS
BYTE
CNVss
MUTE
CONT1
XRESET
Xout
Vss
Xin
Vcc
XNMI
SCOR
CONT2
VCDINT
DVECS
DFCS
NT/PAL
DSPXRST
JOG1
JOG2
LOADOUT
LOADIN
INSW
OUTSW
SO1
SI1
CLK1
OSDCS
SO0
SUBQ
SQCK
PWON
RDY
ALE
HOLD
HLDA
BCLK
RD
BHE
WR
VCDCS
AMUTE
KDSPCS
KDSPRDY