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96
HCD-M90
•
CONTROL BOARD IC306 M30620MCN-A11FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAC RESET
O
Reset signal output to the D/A converter “L”: reset
2
RDS DATA
I
Serial data input from the RDS decoder (at tuner function)
(RDS decoder is used for the AEP and UK models)
3
LCD RS
O
Reset signal output to the liquid crystal display “L”: reset
4
SIRCS
I
Sircs remote control signal input
5
LCD DATA
O
Serial data output to the liquid crystal display
6
LCD STB
O
Strobe signal output to the liquid crystal display
7
LCD SCK
O
Serial data transfer clock signal output to the liquid crystal display
8
BYTE
—
Not used
9
CNVSS
—
Not used
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input “L”: reset
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
13
XOUT
O
Main system clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+4V)
17
NMI
I
Not used (pull up)
18
RDS-INT
I
Serial data transfer clock signal input from the RDS decoder
(RDS decoder is used for the AEP and UK models)
19
SYSCS
I
Chip select signal input from the DVD system controller
20
AC-CUT
I
AC cut signal input “L”: AC cut on
21
ST MUTE
O
Muting on/off control signal output terminal Not used
22
ST CE
O
Chip enable signal output to the tuner unit
23
ST DOUT
O
Serial data output to the tuner unit
24
PWM3
O
Power on/off control signal output terminal Not used
25
ST DIN
I
PLL serial data input from the tuner unit
26
PWM2
O
Power on/off control signal output terminal Not used
Serial data transfer clock signal output to the tuner unit (at tuner function)
Power on/off control signal output terminal Not used
IIC data transfer clock signal output terminal Not used
IIC data output terminal Not used
Serial data output terminal Not used
Serial data input terminal Not used
Video muting control signal output to the video buffer
Serial data output to the DVD system controller
36
XLT
I
Serial data input from the DVD system controller
37
CLK
I
Serial data transfer clock signal input from the DVD system controller
38
PLAY SW
I
Head position detect switch input terminal “L”: forward direction, “H”: reverse direction
39
LINE MUTE
O
Line muting on/off control signal output to the recording/playback equalizer amp
“H”: muting on
40
TUNER ON
O
Power supply on/off control signal output for the tuner section (+9.5V)
“H”: tuner power on
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