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
27
ST CLK
O
Serial data transfer clock signal output to the tuner unit (at tuner function)
28
PWM1
O
Power on/off control signal output terminal Not used
29
IIC-CLK
O
IIC data transfer clock signal output terminal Not used
30
IIC-DATA
O
IIC data output terminal Not used
31
TXD1
O
Serial data output terminal Not used
32
RXD1
I
Serial data input terminal Not used
33
SCLK
O
Video muting control signal output to the video buffer
34
PLL-LOCK DET
I
PLL lock detect signal input
35
DATA
O
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
