KAC-X542
4
AMP SCL
LX REQ M
LX REQ S
LX DATA M
LX DATA S
LX CLK
LX RST
HU BU
AD-I
AD-V
TEMP1
TEMP2
TEMP3
TEMP4
TEMP5
TEMP6
COMM-SW
D-PWER
POWER-ON
5VSW
V DOWN
PCON
LX CON
L DATA L
L DATA A
L CLK
L CE
FAN1
FAN2
AMP SDA
AUDIO SCL
AUDIO SDA
AUDIO MUTE
E2P SCL
E2P SDA
LCD-ILL
WHITE-LED
MUTE1
MUTE2
DIP-SW1
DIP-SW2
DIP-SW3
DIP-SW4
MODEL1
MODEL2
DC-DET
D-CUR
AB-CUR
ATT1
ATT2
ATT3
AMP
µ
-com
Audio control
AMP communication I/F
LX BUS I/F
Display data monitor
Power supply control
LCD driver I/F
Fan control
Destination, AMP ID
Protection control
Illumination control
Mute control
E2PROM I2C
communication
●
MICROPROCESSOR (X09 : IC3)
◆
Block Diagram
◆
Terminal Function
Pin No.
Pin Name
I/O
Function
Processing Operation Description
1~3
TEMP4~TEMP6
I
Temperature detection 4~6
4
AVSS
-
GND
5
L CE
O
CE output to LCD driver
H : LCD driver CE
6
LX REQ S
O
Data transmit request to head unit
H : OFF, L : ON
7
AVREF1
-
DA reference voltage
8
L DATA L
I
Data input from LCD driver
9
L DATA A
O
Data output to LCD driver
10
L CLK
O
CLK output to LCD driver
11
LX DATA M
I
Data input from head unit
12
LX DATA S
O
Data output to head unit
13
LX CLK
I
CLK input from head unit
14
LX BU
I
LX BUS communication, head unit connect detection
H : Not connect (Except master amplifier), L : Connect
15
NC
-
Not used
16
SDA AMP
I/O
Data input/output AMP communication
17
NC
-
Not used
MICROCOMPUTER’S TERMINAL DESCRIPTION
