Kenwood DDX7032 Service Manual page 17

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
69 E2P_SCL O
69 AUD_SCL O
70 E2P_SDA I/O E2P control
70 AUD_SDA I/O EVOL control
71 A_WRT_E2P
72 SYS_ON
73 BU_DET
74 RELAY_SW1 O
75 RELAY_SW2 O
76 RELAY_DET1
77 RELAY_DET2
78 REV_DET
79 PAK_DET
80 ILL_DET
81 A_REMO O
82 ANT_CON O
83 EXT_CON O
84 PWIC_STBY O
85 PWIC_MUTE O
86 RIP_MUTE O
86 NC O
87 A_TYPE3
88 A_TYPE2
89 A_TYPE1
90 A_TYPE0
91 R_NOISE
92 TUN_SMET
93 LINE_MUTE
94 AVSS -
95 PWIC_DCDET
96 VREF -
97 AVCC -
98 DSP_SI
98 NC O
99 DSP_SO O
99 NC O
100 DSP_SCL O
100 NC O
Application
E2P control
EVOL control
I E2P writing-in control
I Start request from system μ-com
I Reduced voltage detection
Relay 1 control
Relay 2 control
Relay 1 output error detection
I
(Short, Over current)
Relay 2 output error detection
I
(Short, Over current)
I Reverse detection
I Parking detection
I Illumi detection
Remote controller input for Matsuda
ANT CON control
EXT CON control
PWIC control
PWIC mute
PWIC power supply control (Mid)
Not used (Low)
I Destination setting
I Destination setting
I Destination setting
I Destination setting (K, E, M, X)
I RADIO TUNER control
I RADIO TUNER control
I LINE MUTE input detection
I Detection of SP output DC offset
I DSP control (Mid)
Not used (Low)
DSP control (Mid)
Not used (Low)
DSP control (Mid)
Not used (Low)
DDX7032/7032M/712
DNX7120/7220/7320
True Value
Processing Operation Description
Table
I2C CLK
I2C CLK
I2C DATA
I2C DATA
H: E2PROM writing-in, L: EXCEPT
H: Reduced voltage, L: Normal
H: Relay ON, L: Relay OFF
H: Relay ON, L: Relay OFF
When "RELAY_SW1" is "Hi",
L: Normal, H: Error ("Hi" when SW1 is Low)
When "RELAY_SW2" is "Hi",
L: Normal, H: Error ("Hi" when SW2 is Low)
H: Reverse OFF, L: Reverse ON
H: Parking ON, L: Parking OFF
H: Illumi OFF, L: Illumi ON
Not used. Output is fi xed to L
H: ANT UP, L: ANT DOWN
H: OFF, L: ON
H: POWER ON, L: POWER OFF
H: MUTE OFF, L: MUTE ON
H: MUTE OFF, L: MUTE ON
Output is fi xed to L
q
q
q
q
Noise input
S meter input
Normal: 1.6V, TEL MUTE: 1V or less, NAVI MUTE:
2.5V or more
H: Normal, L: Offset detection
Output is fi xed to L
Output is fi xed to L
Output is fi xed to L
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