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75
HCD-FL3
8-42.
IC PIN FUNCTION DESCRIPTION
•
MC BOARD IC101 M30622MGN-A06FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AMP-DATA
O
Serial data output to the M61520FP
2
AMP-CLK
O
Serial data transfer clock signal output to the M61520FP
3
AMP-LAT
O
Serial data latch pulse signal output to the M61520FP
4
SIRCS
I
Remote control signal input from the remote control receiver
5
DIG-TX
O
Serial data output to the audio digital signal processor and digital audio interface receiver
6
DSP-RX
I
Serial data input from the digital audio interface receiver
7
DIG-CLK
O
Serial data transfer clock signal output to the audio digital signal processor and
digital audio interface receiver
8
GND
—
Ground terminal
9
GND
—
Not used
10
XC-IN
I
Sub system clock input terminal (32.768 kHz)
11
XC-OUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator “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
I
Non-maskable interrupt input terminal Fixed at “H” in this set
18
RDS-INT
I
Serial data transfer clock signal input from the RDS decoder on the tuner unit
19
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q
20
DIR-INT
O
Interrupt request signal output to the digital audio interface receiver
21
CAPM-H/L
O
High/normal speed selection signal output of the capstan motor
“L”: high speed, “H”: normal speed
22
CAPM-CNT1
O
Capstan motor drive signal output
23
A TRG
O
Deck-A side trigger plunger drive signal output “H”: plunger on
24
BU-PWM3
O
RFDC PWM signal output to the RF amplifier
25
B TRG
O
Deck-B side trigger plunger drive signal output “H”: plunger on
26
BU-PWM2
O
PWM signal output to the RF amplifier
27
A-HALF
I
Deck-A cassette detection signal input terminal “L”: no cassette, “H”: cassette in
28
BU-PWM1
O
Focus servo drive PWM signal output to the RF amplifier
29
IIC CLOCK
O
IIC data reading clock signal output to the fuluorescent indicator driver
30
IIC DATA
I/O
IIC two-way data bus with the fuluorescent indicator driver
31
CAN'T USE
I
Not used
32
SQ-DATA-IN
I
Subcode Q data input from the digital signal processor
33
SQ-CLK
O
Subcode Q data reading clock signal output to the digital signal processor
34
SENS
I
Internal status detection monitor input from the digital signal processor
35
CD-DATA
O
Serial data output to the digital signal processor
36
CAN'T USE
I
Not used
37
CD-CLK
O
Serial data transfer clock signal output to the digital signal processor
38
POWER LED
O
LED drive signal output terminal
39
CLOCK-OUT
O
Clock (32.768 kHz) signal output terminal (for test mode) Not used
40
LDON(3STATE)
O
Laser diode on/off control signal output to the RF amplifier “L”: laser diode on
41
M-RESET
I
Reset signal output to the fluorescent indicator tube driver and led drive controller
42
XLT
O
Serial data latch pulse output to the digital signal processor
Содержание HCD-FL3
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