49
HCD-M80
•
CONTROL BOARD IC601 M30620MCN-A12FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VIDEO SEL
O
Not used
2
RDS-DATA
I
Serial data input from the RDS decoder No t used
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 (+3.3V)
17
NMI
O
Not used
18
RDS-INT
I
Serial data transfer clock signal input from the RDS decoder No t used
19
SYSCS
I
Chip select signal input from the MPEG video/audio decoder
20
AC-CUT
I
AC cut signal input “L”: AC cut on
21
ST-MUTE
O
Tuner 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
Not used
25
ST-DIN
I
Serial data input from the tuner unit
26
PWM2
O
Not used
27
ST-CLK
O
Serial data transfer clock signal output to the tuner unit
28
PWM1
O
Not used
29
IIC-CLK
I
IIC data transfer clock signal input terminal Not used
30
IIC-DATA
I
IIC data input terminal Not used
31
TXD1
O
Serial data output terminal Not used
32
RXD1
I
Serial data input terminal Not used
33
V-MUTE
O
Video muting on/off control signal output to the video amplifier “H”: muting on
34
FM ON/STEREO
O
FM power on/off control signal output terminal “H”: FM power on Not used
35
SYSOUT
O
Serial data output to the MPEG video/audio decoder
36
SYSIN
I
Serial data input from the MPEG video/audio decoder
37
SYSCLK
I
Serial data transfer clock signal input from the MPEG video/audio decoder
38
B PLAY
I
Head position detect switch input terminal “L”: forward direction, “H”: reverse direction
39
TC-MUTE
O
Line muting on/off control signal output to the recording/playback equalizer amplifier
“H”: muting on
40
TUNER ON
O
Power supply on/off control signal output for the tuner section (+9.5V)
“H”: tuner power on
41
REC-MUTE
O
Recording muting on/off control signal output to the recording/playback equalizer amplifier
“L”: muting on
42
LED1
O
LED drive signal output of the standby indicator “H”: LED on
Summary of Contents for HCD-M80
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