Kenwood KDC-MP5028 Service Manual page 8

KDC-MP5028/MP528
/W6031/W6031Y
MICROCOMPUTER'S TERMINAL DESCRIPTION
MAIN MICROCOMPUTER 30624MWPA35GP (X34 : IC1)
Pin No. Pin Name
1 REMO
2 LX_MUTE
3 AUD_SDA
4 AUD_SEL
5 AUD_SCL
6 BYTE
7 CNVSS
8 XCIN
9 XCOUT
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC1
15 NMI
16 CN_DET
17 RDS_CLK
17 NC
18 LX_REQ_S
19 PON_AM
20 LX_REQ_M
21 TUN_IFC_OUT
22 RDS_AFS_L
23 RDS_AFS_M
24 RDS_QUAL
24 NC
25 RDS_DATA
25 NC
26 PWIC_BEEP
27 TUN_SCL
28 TUN_SDA
29 VFD_SYS_DATA
30 VFD_PAN_DATA
31 VFD_CL
32 VFD_INH
33 SDA/CD_SDA
33 SDA/ROMCOR_SDA
34 SCL/CD_SCL
8
Module
I/O
(functional)
EXTRA I Remote controller signal input
LX_M I Mute request from slave unit
AUDIO I/O E-VOL data output terminal
AUDIO O E-VOL control terminal
AUDIO O E-VOL clock output terminal
µCOM
-
µCOM
-
µCOM
I
µCOM
I
µCOM
-
µCOM
-
µCOM
-
µCOM
- 12.0MHz
µCOM
-
µCOM
I Not used.
EXTRA I Panel communication detection
RDS decoder CLK input terminal
TUNER I
(RDS Model only)
O Not used. (Other than RDS Model)
LX_M I Communication request from slave unit
Power supply I/O AM power supply control
LX_M O Communication request to slave unit
TUNER I F/E IFC OUT input terminal
TUNER I/O Constant switching at noise detection
TUNER I/O Constant switching at noise detection
RDS decoder QUAL input terminal
TUNER I
(RDS Model only)
O Not used. (Other than RDS Model)
RDS decoder DATA input terminal
TUNER I
(RDS Model only)
O Not used. (Other than RDS Model)
PWIC O Beep output
TUNER I/O F/E I2C clock input/output terminal
TUNER I/O F/E I2C data input/output terminal
toPANEL O VFD data output terminal
toPANEL I VFD data input terminal
toPANEL O VFD clock output terminal
toPANEL O VFD data blanking output
CD mechanism I2C data input/output
CD I/O
terminal
ROM correction E2PROM I2C data
EXTRA I/O
input/output terminal
CD mechanism I2C clock output
CD I/O
terminal
Truth
Application
Value Table
r
r
Processing Operation Description
Pulse width is detected.
H : Mute ON, L : Mute OFF
H : No PANEL, L : With PANEL
Output L-fixed
AM in operation : H,
AM not in operation : Hi-z
H : With station, L : No station
Refer to truth value table.
Refer to truth value table.
Output L-fixed
Output L-fixed
(MAX400kHz)
Data output
Data input
125kHz
H : Light ON, L : Light OFF