XXV-02A
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
784224YGC117
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 : 784224YGC117 (X09 : IC3)
◊
Block Digram
◊
Terminal Function
Pin No.
Pin Name
I/O
Function
Processing Operation Description
Temperature detection 4~6
H : LCD driver CE
H : OFF, L : ON
DA reference voltage
11
LX_DATA_M
I
Data input from H/U
12
LX_DATA_S
O
Data output to H/U
13
LX_CLK
I
CLK input from H/U
14
LX_BU
I
LX BUS communication, H/U connect detection
H : Not connect (Except master amplifier), L : Connect
15
NC
O
Not used
16
SDA_AMP
I/O
Data input/output AMP communication
17
NC
O
Not used
MICROCOMPUTER’S TERMINAL DESCRIPTION
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