22
HCD-GX45/RG440
• IC310 BU2099FV (BASS BOOST CONTROLLER) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
VSS
—
Ground pin
2
NC
—
Not used. (Open)
3
DATA
I
Serial data input from the multi controller
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCK
I
Serial data latch pulse clock signal input from the system controller
6 to 8
NC
—
Not used. (Open)
9
MOTOR VCC
O
Motor power control signal output “L”: motor power on
10
SOL A
O
SOL-A control signal output
11
SOL B
O
SOL-B control signal output
12
LINE OUT MUTE
O
Line out mute signal output terminal “H”: mute on Not used in this set. (Open)
13
CD MUTE
O
CD mute signal output terminal “H”: mute on Not used in this set. (Open)
14 to 16
CONT 1 to 3
O
Bass boost control signal output “H”: bass boost
17
NC
—
Not used. (Open)
18
SO
O
Serial data output Not used. (Open)
19
OE
—
Not used. (Connect to ground.)
20
VDD
—
Power supply pin (+3.3 V)
