10
DPX301
DPX-MP2090/MP2090S
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
CD MECHANISM MICROCOMPUTER: 703030BYGCJ21A (X32: IC4)
Pin No.
Pin Name
I/O
Application
Processing Operation
Remarks
Description
1
NC
-
Not used
Low-fixed
2
E2P SCL
I/O
Rom correction E2P I2C clock
3~5
NC
-
Not used
Low-fixed
6
VDD
-
5V electric potential
7
GND
-
GND electric potential
8,9
NC
-
Not used
Low-fixed
10,11
PON1,PON2
O
Power ON/OFF control
H : ON, L : OFF
12
LOE/LIM SW
I
Down-limit SW detection
L : Lim detection
Used with DXM-6680W (X32-586).
13
DAC MUTE
O
DAC MUTE control
H : MUTE ON, L : MUTE OFF
With DXM-6580W (X32-574), open
and L-fixed.
Used with DXM-6680W (X32-586).
14
DAC RST
O
DAC RESET
H : NORMAL, L : RESET
With DXM-6580W (X32-574), open
and L-fixed.
H : Emphasis ON
Used with DXM-6680W (X32-586).
15
EMPH
O
External DAC Emphasis control
L : Emphasis OFF
With DXM-6580W (X32-574), open
and L-fixed.
16,17
NC
-
Not used
Low-fixed
18
IC/Vpp
-
Write voltage (FLASH)
L : Normal operation
H : In writing
19
MUTE L
O
Lch audio MUTE control
L : MUTE ON, H : MUTE OFF
20
MUTE R
O
Rch audio MUTE control
L : MUTE ON, H : MUTE OFF
21
TYPE
I
DAC switching
H : DSP built-in DAC used
H : DXM-6580W (X32-574)
L : DSP built-in DAC Not used
L : DXM-6680W (X32-586)
22
TEST O 1
O
TEST MODE O 1
(Not used)
23
TEST O 2
O
TEST MODE O 2
(Not used)
24
TEST O 3
O
TEST MODE O 3
(Not used)
25
TEST O 4
O
TEST MODE O 4
(Not used)
26
NC
-
Not used
Low-fixed
27
WAIT
I
Wait control signal detection
28~30
NC
-
Not used
Low-fixed
31
RESET
I
Reset detection
H : NORMAL, L : RESET
32
XT1
I
Not used
33
XT2
-
Not used
34
REGC
-
35
X2
-
36
X1
I
37
Vss
-
GND electric potential
38
VDD
-
5V electric potential
39
NC
-
NC
Output stopped in standby
3.3V driven
40
WRL
I
Multiplex WRITE signal
3.3V driven
