CD-MPX100E
8 – 6
IC601 VHiLC75341/-1: Audio processor (LC75341)
Pin No.
Terminal Name
Function
1
DI
Serial data and clock input pin for control.
2
CE
Chip enable pin.
Data written into an internal latch in a timing of “H” to “L”.
Each analog switch is activated.
Data transfer enabled at “H” level.
3
VSS
Ground pin.
4
LOUT
Bass band filter comprising
capacitor and resistor connection pin and bass/treble output pin.
5
LBASS
Bass band filter comprising capacitor and resistor connection pin.
6
LTRE
Treble band filter comprising capacitor and resistor connection pin.
7
LIN
equalizer output pin.
8
LSEL0
Input selector output pin.
9-12
L4-1
Input signal pin.
13-16
R1-4
Input signal pin.
17
RSEL0
Input selector output pin.
18
RIN
equalizer output pin
19
RTRE
Treble band filter comprising capacitor and resistor connection pin.
20
RBASS
Bass band filter comprising capacitor and resistor connection pin.
21
ROUT
Bass band filter comprising capacitor and resistor connection pin and bass/treble output pin.
22
VREF
0.5x VDD voltage generation block for analog ground. Capacitor of several 10µF to be connected between VREF and
AWSS (VSS) as a countermeasure against power ripple.
23
VDD
Supply pin
24
CLK
Serial data and clock input pin for control.
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
17
LVref
RVref
CONTROL
CIRCUIT
CONTROL
CIRCUIT
CONTROL
CIRCUIT
LOUT
LBASS
LIN
LSEL0
L4
L3
L2
L1
R1
R2
R3
R4
RSEL0
RIN
RTRE
LTRE
RBASS
ROUT
VREF
VDD
CLK
DI
CE
VSS
CCB
INTERFACE
CD
Tuner
Tape
Video
Figure 8-6 BLOCK DIAGRAM OF IC
Summary of Contents for CD-MPX100E
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