Kenwood DDX6034 Service Manual page 9

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
22 XIN
23 VCC1
24 NMI
25 ACC_DET
26 BU_DET
27 R_CLK
28 NC
29 P_START O
30 PGOOD
31 INV_PWM O
32 PARKING
33 POWER_PWM O
34 PON O
35 BEEP O
36 AVIN3_SW O
37 TYPE_SD
38 TV_MC_DATA O
39 VCC1
40 TV_SC_DATA
41 VSS
42 TV_BP_CLK O
43 NC (BUSY) O
44 TUN_SDA I/O Communication data with tuner
45 TUN_SCL O
46 TV_MC_REQ O
47 TV_SC_CON O
48 TV_JUDGE
49 KAB_DET
50 KAB_PON O
51 ANT_CON O
52 P_CON O
53 REVERSE
54 NC (EPM) O
NC/CODEC_CS/
55 O
CODEC_CS
55 NC/CODEC_CS/NC O
56 INV_SYNC O
Application
I ACC detection
I Backup power detection
I Clock input from RDS decoder
I Not used. Input is fi xed to Hi
ON/OFF control of X15_DC-DC
I Power supply error detection
Brightness control of LCD (PWM output)
I Parking detection (For all destinations)
Frequency control of X15_DC-DC_IC
(CLK output)
ON/OFF control of SW power supply
BEEP
iPod/AVin3 switching
Terminal used to detect if the product destina-
I
tion needs SD slot or not.
Data output to TV μ-com
I Data input from TV μ-com
Communication clock with TV μ-com
NC (FLASH re-writing)
Communication clock with tuner
Request to TV μ-com
Request to boot up TV μ-com
I Determination of TV_BOX if it is old or new
I Sirius connection detection
ON/OFF of SAT power supply
Power antenna control
P-CON control
I Reverse detection
Not used. Output is fi xed to L
CODEC CS
Output is fi xed to L
Inverter frequency control (Pulse output)
DDX6034/6034M/6054/7034BT/7034BTM/714
DNX7000EX/7140/7240BT/7340BT
Truth Value
Processing/Operation/Description
Table
H: ACC reduced voltage detection
H: Backup power reduced voltage detection
Not used. Input is fi xed to Hi
H: Error, L: Normal
(PWM output synchronized with HSY is under
review)
H: Parking is detected, L: Car is running
Duty50%
H: ON, L: OFF
PWM output
H:AVin3, L:iPod in
H: SD slot is needed, L: SD slot is not needed
q
Output is fi xed to L in the product whose desti-
nation does not need TV.
Output is fi xed to L in the product whose desti-
nation does not need TV.
Output is fi xed to L in the product whose desti-
nation does not need TV.
Output is fi xed to L in the product whose desti-
nation does not need TV.
Output is fi xed to L in the product whose desti-
nation does not need TV.
H: Box is old, L: Box is new
(Fixed to Hi for destinations K and M)
H: UP, L: DOWN
L: STANDBY, POWER OFF, H: EXCEPT
L: Reverse is detected, H: Normal
Not used. Output is fi xed to L.
L: Active
Not used. Output is fi xed to L
DUTY5%
9