5
DPX301
DPX-MP2090/MP2090S
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM MICROCOMPUTER: 30624MGPA76GP (X34: IC1)
Pin No.
Pin Name
Module
I/O
Application
Truth
Processing Operation Description
value table
1
REMO
EXTRA
I
Remote control signal input
Detect pulse width
2
LX_MUTE
LX_M
I
MUTE request from slave unit
H: Mute ON, L: Mute OFF
3
AUD_SDA
AUDIO
O
E-VOL data output terminal
4
AUD_SEL
AUDIO
O
E-VOL control terminal
5
AUD_SCL
AUDIO
O
E-VOL clock output terminal
6
BYTE
µ
COM
-
7
CNVSS
µ
COM
-
8
XCIN
µ
COM
I
9
XCOUT
µ
COM
I
10
RESET
µ
COM
-
11
XOUT
µ
COM
-
12
VSS
µ
COM
-
13
XIN
µ
COM
-
12.0MHz
14
VCC1
µ
COM
-
15
NMI
µ
COM
I
Not used
16
CN_DET
EXTRA
I
Panel communication detection (FLIP)
H: PANEL detached, L: PANEL attached
16
NC
O
Not used (2DIN)
Fixed to L
17
RDS_CLK
TUNER
I
RDS decoder CLK input terminal
(RDS model only)
17
NC
O
Not used (except RDS model)
Output L fixed
18
LX_REQ_S
LX_M
I
Communication request from slave unit
19
PON_AM
Power supply I/O
AM power supply control
H: When AM, Hi-z: When not AM
20
LX_REQ_M
LX_M
O
Communication request to the slave unit
21
TUN_IFC_OUT
TUNER
I
F/E IFC OUT input terminal
H: Station found, L: Station not found
22
NC
O
Not used
Output L fixed
23
RDS_AFS_M
TUNER
I/O
Constant number switching when noise
w
Refer to the truth value table
detected (in RDS and RBDS models)
23
NC
O
Not used (except RDS and RBDS models)
Output L fixed
24
RDS_QUAL
TUNER
I
RDS decoder QUAL input terminal
(RDS model only)
24
NC
O
Not used (except RDS model)
Output L fixed
25
RDS_DATA
TUNER
I
RDS decoder DATA input terminal
(RDS model only)
25
NC
O
Not used (except RDS model)
Output L fixed
26
PWIC_BEEP
PWIC
O
Beep output
27
TUN_SCL
TUNER
I/O
F/E I2C clock input/output terminal
28
TUN_SDA
TUNER
I/O
F/E I2C data input/output terminal
