Ic description – Aiwa CDC-Z107 User Manual

Page 23

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IC DESCRIPTION

IC, LC72358N-9910

Pin No.

Pin Name

I/O

Description

1

XIN

I

System clock oscillator input.

2 ~ 3

NC

-

Not connected.

4

E-VOL DO

O

Data output for electric volume.

5

E-VOL CLO

O

Clock output for electric volume.

6

E-VOL CE

O

CE output for electric volume.

7

LCD DI

I

LCD driver data signal input.

8

LCD DO

O

LCD driver data signal output.

9

LCD CLO

O

LCD driver clock signal output.

10

LCD CE

O

LCD driver CE signal output.

11

SQ OUT

I

Sub-code Q input terminal.

12

COIN

O

Command output terminal for DSP.

13

CQCK

O

Transfer-out clock for command output or output terminal for Sub-code transfer-in

clock from SQ OUT.

14

SD/ST

I

Stereo signal input when receiving. Hi=MONO, Low=ST FM reception.

Channel detection signal input when FM/AM seeking. Hi=detect channel

15

LOC/DX

O

LOC/DX switching output when in the radio seek mode. Hi=LOC, Low=DX

16

IF REQ

O

IF count signal request output.

17

BAND

O

FM/AM power switch output. Hi=AM, Low=FM

18

TU ON

O

Radio power switch output. Hi=Radio mode

19 ~ 21

NC

-

Not connected.

22 ~ 23

KS4 ~ KS3

O

Initial setting diode matrix output(Not used).

24 ~ 26

KS2 ~ KS0

O

Initial setting diode matrix output.

27 ~ 30

K3 ~ K0

I

Initial setting diode matrix input.

31

VDD

-

Power supply.

32

NC

-

Not connected.

33

LM+

O

Loading motor control terminal.

34

LM-

O

Loading motor control terminal.

35

FEM+

O

Thread motor control terminal.

36

FEM-

O

Thread motor control terminal.

37

RW

O

RW disc control. Normal set to "Hi". Hi=NORMAL DISC, Low=RW DISC

38

LP UP

O

RW disc control. Normal set to "Lo". Hi=Disable playback even though

39

CD ON

O

CD power switch output. Hi=CD mode RW port is low

40

A-MUTE

O

Audio mute signal output.

41

POWER CONT

O

Power control signal output.

42

ST-BY MUTE

O

ST-BY mute signal output.

43

POWER MUTE

O

Power mute signal output.

44

BEEP

O

BEEP output(3 kHz, 50 ms).

45

DFP IN

I

Front panel detection.

46

DRF

I

"Detect RF" RF level detection input. Pulled up when not used.

47

WRQ

I

Sub-code Q output standby input terminal.

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