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KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
MICROCOMPUTER'S TERMINAL DESCRIPTION
CD MECHANISM µ-COM : IC1 on X32- (CD PLAYER UNIT)
Active
Pin No.
Pin Name
(H/L)
1
VREFL
2
AVSS
3
AVCC
4
NC
5
L
20RST
6
20ACK
7
20STBY
8,9
NC
10
20INT
11
FOGUP
12
LZM
13
RZM
14,15
NC
16
L
20CS
17
L
20LP
18
20TXD0
19
20RXD0
20
20SCLK0
21
DSPTXD1
22
DSPRXD1
23
DSPSCLK1
24
AM0
25
DVCC
26
X2
27
DVSS
28
X1
29
AM1
30
L
RESET
31~34
NC
35
L
DSPSTB
36
DSPA0
37
L
DSPRST
38
DSPINT
39
NC
40
SEARCH
41
LOE/LIM SW
42~49
NC
8
I/O
Application
-
Reference power supply input terminal for ADC (L).
-
GND terminal for ADC.
-
Power supply terminal for ADC.
-
O
Reset control (Decoder).
I
Acknowledge signal input (Decoder).
O
Standby control (Decoder).
-
I
Interrupt signal input (Decoder).
I
Focus gain-up interrupt.
I
0 bit mute detection (Lch).
I
0 bit mute detection (Rch).
-
O
Chip select signal output (Decoder).
O
Latch pulse signal output (Decoder).
I/O Data output for serial data (Decoder).
I
Data input for serial data (Decoder).
O
Clock output for serial data (Decoder).
O
Data output for serial data (DSP).
I
Data input for serial data (DSP).
O
Clock output for serial data (DSP).
-
ROM mode selection terminal.
-
Back-up 3.3V.
O
Resonator terminal.
-
GND.
I
Resonator terminal.
I
"H" condition is fixed.
I
Reset detection.
-
O
Data strobe signal output (DSP).
Command/Parameter identification signal output
O
(DSP).
O
Reset control (DSP).
I
Interrupt signal input (DSP).
-
O
Search condition output.
I
Loading-end detection/Pick-up inner circumference detection H : Inner circumference
-
Processing Operation
GND
GND
Back-up 3.3V
L : Reset, H : Normal condition
H : Standby, L : Normal condition
H : Focus gain-up, L : Normal condition
L : MUTE OFF, H : MUTE ON
L : MUTE OFF, H : MUTE ON
Input condition is kept except in output condition.
H : Normal condition, L : External ROM mode
16MHz
16MHz
Back-up 3.3V
L : Reset, H : Normal condition
H : Parameter data output,
L : Command data output
H : Interrupt
H : Search, L : Normal condition
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