Kenwood DDX7015 Service Manual page 16

DDX7015/7025/7035
DDX7045/7065
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
53 NC
54 ILLUMI_DET
55,56 NC
57 BU_DET
58,59 NC
60 PORTVDD1
61 PWIC_BEEP
62 P_ON
SCL/COR_SCL
63
SCL/IC5_SCL
SDA/COR_SDA
64
SDA/IC5_SDA
65 ES_DSP_SW
66 BUS_MUTE
67 MZ_ILL_ON
68 MZ_SYSON
69 MZ_SYSOFF
70 XT2
71 XT1
72 GND2
73 X1
74 X2
75~80 NC
81 SYS_MUTE
82,83 NC
84 TUN_SDA
85 NC
86 TUN_SCL
87,88 NC
89 MZ_BUS_STBY
90 MZ_IERX
91 MZ_IETX
92 PORTGND1
93 NC
94 NC
95 RGB_SW
96 TV_SREQ
16
Module I/O
O
DC Cable (X25) I Illumination detection
O
DC Cable (X25) I Backup power down detection
O
µCOM
-
POWER-IC O Beep output
power supply O SW5V power supply control
EEPROM
I/O EEPROM (ROM collection) clock
(ROM collection)
IC5 I/O IC5 clock
EEPROM
I/O EEPROM (ROM collection) data
(ROM collection)
IC5 I/O IC5 data
Audio O E's/DSP switching
Mute O BUS_MUTE
MZ-Bus O MZ-Bus ILLUMI control
MZ-Bus O MZ-Bus SYSON control
MZ-Bus O MZ-Bus SYSOFF control
µCOM
-
µCOM
-
µCOM
-
O
to X14 I Mute request from main unit
O
S03 F/E I/O F/E I2C data input/output terminal
O
S03 F/E I/O F/E I2C clock output terminal
O
IE-Bus O BUS-IC standby control
IE-Bus I Data from IE-Bus
IE-Bus O Data to IE-Bus
µCOM
-
O
O
Visual O TV/NAVI selection (monitor)
TV (External) I Request from TV unit
Processing Operation
Application
L : Illumination ON
O
H : Momentary power
down (8.8V or lower)
H : ON
Based on IIC bus regulation
Based on IIC bus regulation
Based on IIC bus regulation
Based on IIC bus regulation
H : DSP, L : E's
H : Mute
H : ILLUMI ON
L : Bus ON
L : Bus OFF
18.874MHz
L : Mute request
(MAX 400kHz)
L : Standby
H : NAVI, L : Other
Active Truth
Description (H/L) Value
L
H
H
L
L