Kenwood FZDA07ELEF2 Service Manual page 17

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
111 1SEG_RST O
111 NC -
112 1.2V_ON O
112 NC -
113~115 N.C. -
116 SA_DATA_A I
117 SA_CLK O
118 SA_DATA_S O
119 N.C. -
120 A_RST_IN I
121~124 N.C. -
125 REAR_DET I
126 NC (REAR_GUIDE) O
127 SM_RST O
128 SM_DATA_M I
129 SM_BKUP O
129 N.C. -
130 VSS -
131 SM_DATA_S O
132 VCC1 -
133 TILT_MODE I
133 C_PCB_DET I
134 T_PM1 O
134 N.C. -
135 T_PM2 O
135 N.C. -
136 REMOCON I
137 REMOCON2 I
138 BU_DET_AD I
139 N.C. -
140 AVSS -
141 TEMP_HOT I
142 VREF -
143 AVCC -
144 N.C. (TP_RX) O
Application
RESET of 1 SEG tuner
Not used
Power supply control for 1 SEG tuner
Not used
Not used
Audio → System µ-com data input
Tx/Rx clock
System µ-com → Audio data output
Not used
RESET input of AUDIO
Not used
Rear camera connection input
Rear camera setup input
Reset to monitor µ-com
Monitor µ-com → System µ-com data output
Power supply output to the monitor µ-com
Not used
System µ-com → Monitor µ-com data output
Panel angle detection
Capacitor board detection
Motor +
Not used
Motor -
Not used
Vehicle satellite switch input
Vehicle satellite switch input (For video control)
For voltage level detection
Not used
A/D power supply
Temperature sensor input
A/D reference voltage
A/D power supply
Not used
FZDA07ELEF2/EREF2/MRHF2
Truth Value
Processing Operation Description
Table
L: RESET
[Other destination than J] OPEN
H: Power ON
[Other destination than J] OPEN
OPEN
Communication between SYSTEM ↔ AUDIO
Si/o 500kbps
Communication between SYSTEM ↔ AUDIO
OPEN
L: RESET
OPEN
H, L input, Connection: L
H, L output
L: Normal, H: Reset, Immediately after reset,
when communication reset occurs, RESET
UART 19200bps (19330bps)
[A07 system] H: ON
[D07 system] OPEN
GND
UART 19200bps (19330bps)
BU5V
[D07 system]
[A07 system] 2.5V or more: Detection
[D07 system]
Normal Reverse
rotation rotation
T_PM1 H L
T_PM2 L H
[A07 system] OPEN
[D07 system] OPEN
[A07 system] OPEN
e
Resistance dividing vehicle remote control
e
Resistance dividing vehicle remote control
2ms period A/D detection
OPEN
GND
2ms period A/D detection
BU5V
BU5V
OPEN
Brake Standby
H L
H L
17