Kenwood DPX701 Service Manual page 7

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name Module
11,12 NC
µCOM
13 BYTE
µCOM
14 CNVSS
µCOM
15 XCIN
µCOM
16 XCOUT
µCOM
17 RESET
µCOM
18 XOUT
µCOM
19 VSS
µCOM
20 XIN
µCOM
21 VCC1
µCOM
22 NMI
µCOM
23 PANRST
24 RDS_CLK TUNER
24 NC
25 LX_REQ_S LX_M
26 PON_AM Power supply I/O AM power supply control
27 LX_REQ_M LX_M
28 TUN_IFC_OUT TUNER
29 NC
30 RDS_AFS_M TUNER
30 NC
31 RDS_QUAL TUNER
31 NC
32 RDS_DATA TUNER
32 NC
33 PWIC_BEEP PWIC
34 TUN_SCL TUNER
35 TUN_SDA TUNER
36 SYS_DATA to PANEL
µCOM
37 VCC1
38 PAN_DATA to PANEL
µCOM
39 VSS
40 SYS_REQ to PANEL
41 PAN_REQ to PANEL
42 SDA/CD_SDA CD
42 SDA/INST_SDA EXTRA
43 SCL/CD_SCL CD
I/O Application
O Not used
-
-
I
I
I
-
-
-
-
I Not used
I/O PANRST control
I RDS decoder CLK input terminal
O Not used
I Communication request from slave unit
O Communication request to the slave unit
I F/E IFC OUT input terminal
O Not used
I/O Switching constant when noise detected
O Not used in models without RDS/RBDS
I RDS decoder QUAL input terminal
O Not used in models without RDS/RBDS
I RDS decoder DATA input terminal
O Not used in models without RDS/RBDS
O Beep output
I/O F/E I2C clock input/output terminal
I/O F/E I2C data input/output terminal
Inter-panel communication data output
O
terminal
-
Inter-panel communication data input
I
terminal
-
Communication request terminal from
O
system µ-com
Communication request terminal from
I
panel
CD mechanism I2C data input/output
I/O
terminal
I/O E2PROM I2C data input/output terminal
I/O CD mechanism I2C clock output terminal
DPX701/701U/701UY
DPX-MP7090U
Truth
Processing Operation Description
value table
Output L fixed
32768kHz
32768kHz
12MHz
12MHz
H: RST, Hi-Z: RST off
L-output for models without RDS/RBDS
H: When AM, Hi-Z: When not AM
H: Station found, L: Station not found
Output L fixed
r
Refer to the truth value table
Output L fixed
L-output for models without RDS/RBDS
L-output for models without RDS/RBDS
Data output (MAX 500kbps)
Data input (MAX 500kbps)
7