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MICROCOMPUTER'S TERMINAL DESCRIPTION
G
IC1 (ELECTRIC UNIT : X25-87XX-XX)
Pin No.
Pin Name
1
AM+B
2
FM+B
3
AFS
4
PLL-DATA
5
PLL-CLK
6
EVDD
7
EVSS
8
NC
9
BEEP
10
REMO
11
CH-REQH
12
CH-RST
13
IC2-SDA
14
IC2-CLK
15
CH-MUTE
16
CH-CON
17
DIMMER-CON
18
TEST
19
P-MUTE
20
P-STBY
21
MUTE
22
NC
23
PRE-MUTE
24
ACC-DET
25
DIMMER
26
SW5V
27
EXT-AMP-CON
28
P-CON
29
ANT-CON
30
P-ON
31
RESET
32
XT1
33
XT2
34
REGC
35
X2
36
X1
37
VSS
38
VDD
I/O
Description
O
AM+B control
O
FM+B control
O
Noise detection time constant switching terminal "Hi": During FM reception, "Lo": During FM seek or AF search
I/O Data input/output with F/E
I/O Clock input/output with F/E
-
Power supply connection terminal
-
Ground connection terminal
O
O
BEEP sound output
I
Data input from the remote control light sensor
O
Request output to changers
O
Reset output to changers
I/O Data line with IC2, IC5 and CD MECHA. MI-COM.
I/O Clock line with IC2, IC5 and CD MECHA. MI-COM.
I
Mute request from changers
O
Changer control
O
Dimmer control output
-
Test terminal
O
Power IC mute control output
O
Power IC standby control output
O
IC2 mute control output
O
O
Pre-outputs mute control output
I
ACC detection input
I
Small lights detection input
O
SW 5V control output
O
External amp. control output
O
Power control output
O
Antenna control output
O
SW 14V control output
I
Reset input terminal
I
Sub clock resonator connection terminal
-
Sub clock resonator connection terminal
-
C terminal
-
Main clock resonator connection terminal
I
Main clock resonator connection terminal
-
Ground connection terminal
-
Power supply connection terminal
KDC-X617,6090R/RY,7018
Processing Operation
"Hi": During AM reception
"Hi": During FM reception, "Hi": Last FM mode
(only RDS model)
Connected to BU 5V lines.
Connected to GND lines.
Not used(N.C.)
"Lo": Request
: Reset
"Hi": Mute request
"Hi": Operation mode, "Lo": Standby mode
Pulse wave shape: DIMMER mode, "Hi": POWER ON
Not used (connected to GND lines)
"Lo": Mute (POWER OFF, TEL MUTE)
"Hi": POWER ON mode except panel detached
or panel mask position
"Hi": Mute on
Not used(N.C.)
"Lo": Mute
"Hi": ACC OFF, "Lo": ACC ON
"Lo": During vehicle small lamps turn on.
"Lo": POWER ON mode or during CD loading /
eject action.
Bass boost OFF__"Hi": 160msec, "Lo": 40msec
Bass boost LOW__"Hi": 130msec, "Lo": 70msec
Bass boost HI__ "Hi": 100msec, "Lo": 100msec
"Hi": POWER ON mode except ALL OFF mode.
"Hi": During FM/AM reception or TI reception.
"Hi": POWER ON mode or during CD loading /
eject action
"Lo": System reset
Clock count during POWER OFF mode
Oscillation stop: POWER OFF mode or
momentary power down detected
Connected to GND lines.
Connected to BU 5V lines.
5
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