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DPX-MP4070/MP4070B
8
●
CD MECHANISM
µ
-COM : IC1 on X32- (CD PLAYER UNIT)
Pin No.
Active
Pin Name
I/O
Application
Processing Operation
(H/L)
1
VREFL
-
Reference power supply input terminal for ADC (L).
GND
2
AVSS
-
GND terminal for ADC.
GND
3
AVCC
-
Power supply terminal for ADC.
Back-up 3.3V
4
NC
-
5
L
20RST
O
Reset control (Decoder).
L : Reset, H : Normal condition
6
20ACK
I
Acknowledge signal input (Decoder).
7
20STBY
O
Standby control (Decoder).
H : Standby, L : Normal condition
8,9
NC
-
10
20INT
I
Interrupt signal input (Decoder).
11
FOGUP
I
Focus gain-up interrupt.
H : Focus gain-up, L : Normal condition
12
LZM
I
0 bit mute detection (Lch).
L : MUTE OFF, H : MUTE ON
13
RZM
I
0 bit mute detection (Rch).
L : MUTE OFF, H : MUTE ON
14,15
NC
-
16
L
20CS
O
Chip select signal output (Decoder).
17
L
20LP
O
Latch pulse signal output (Decoder).
18
20TXD0
I/O
Data output for serial data (Decoder).
Except output condition, input condition is kept.
19
20RXD0
I
Data input for serial data (Decoder).
20
20SCLK0
O
Clock output for serial data (Decoder).
21
DSPTXD1
O
Data output for serial data (DSP).
22
DSPRXD1
I
Data input for serial data (DSP).
23
DSPSCLK1
O
Clock output for serial data (DSP).
24
AM0
-
ROM mode selection terminal.
H : Normal condition, L : External ROM mode
25
DVCC
-
Back-up 3.3V.
Resonator terminal.
16MHz
GND.
Resonator terminal.
16MHz
“H” condition is fixed.
Back-up 3.3V
Reset detection.
L : Reset, H : Normal condition
Data strobe signal output (DSP).
Command/Parameter identification signal output
H : Parameter data output,
(DSP).
L : Command data output
37
L
DSPRST
O
Reset control (DSP).
38
DSPINT
I
Interrupt signal input (DSP).
H : Interrupt
39
NC
-
40
SEARCH
O
Search condition output.
H : Search, L : Normal condition
41
LOE/LIM SW
I
CD inner circumference detection switch.
H : Inner circumference
42~49
NC
-
MICROCOMPUTER’S TERMINAL DESCRIPTION
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