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KDC-5090B/BY
6
MICROCOMPUTER’S TERMINAL DESCRIPTION
IC1 (ELECTRIC UNIT : X25-87X2-7X)
Pin No.
Pin Name
I/O
Description
Processing Operation
1
AM+B
O
AM+B control
Hi : During AM reception
2
FM+B
O
FM+B control
Hi : During FM reception, Hi : Last FM mode (only RDS model)
3
AFS
O
Noise detection time constant switching terminal
Hi : During FM reception, Lo : During FM seek or AF search
4
PLL-DATA
I/O
Data input/output with F/E
5
PLL-CLK
I/O
Clock input/output with F/E
6
EVDD
-
Positive power supply connection terminal
Connected to BU 5V lines.
7
EVSS
-
Ground connection terminal
Connected to GND lines.
8
NC
O
Not used (N.C.)
9
BEEP
O
BEEP sound output
10
REMO
I
Data input from the remote control light sensor
11
CH-REQH
O
Request output to changers
Lo : Request
12
CH-RST
O
Reset output to changers
: Reset
13
IC2-SDA
I/O
Data line with IC2, IC5 and CD MECHA. MI-COM.
14
IC2-CLK
I/O
Clock line with IC2, IC5 and CD MECHA. MI-COM.
15
CH-MUTE
I
Mute request from changers
Hi : Mute request
16
CH-CON
O
Changer control
Hi : Operation mode, Lo : Standby mode
17
DIMMER-CON
O
Dimmer control output
Pulse wave shape : DIMMER mode, Hi : POWER ON
18
TEST
-
Test terminal
Not used (Connected to GND lines)
19
P-MUTE
O
Power IC mute control output
Lo : Mute (POWER OFF, TEL MUTE)
20
P-STBY
O
Power IC standby control output
Hi : POWER ON mode except panel detached or panel mask position
21
MUTE
O
IC2 mute control output
Hi : Mute on
22
NC
O
Not used (N.C.)
23
PRE-MUTE
O
Pre-outputs mute control output
Lo : Mute
24
ACC-DET
I
ACC detection input
Hi : ACC OFF, Lo : ACC ON
25
DIMMER
I
Small lights detection input
Lo : During vehicle small lamps turn on.
26
SW5V
O
SW 5V control output
Lo : POWER ON mode or during CD loading/eject action.
Bass boost OFF__Hi : 160msec, Lo : 40msec
27
EXT-AMP-CON
O
External amp. control output
Bass boost LOW__Hi : 130msec, Lo : 70msec
Bass boost HI__ Hi : 100msec, Lo : 100msec
28
P-CON
O
Power control output
Hi : POWER ON mode except ALL OFF mode.
29
ANT-CON
O
Antenna control output
Hi : During FM/AM reception or TI reception.
30
P-ON
O
SW 14V control output
Hi : POWER ON mode or during CD loading/eject action
31
RESET
I
Reset input terminal
Lo : System reset
32
XT1
I
Sub clock resonator connection terminal
Clock count during POWER OFF mode
33
XT2
-
Sub clock resonator connection terminal
34
REGC
-
C terminal
35
X2
-
Main clock resonator connection terminal
Oscillation stop : POWER OFF mode or momentary
power down detected
36
X1
I
Main clock resonator connection terminal
37
VSS
-
Ground connection terminal
Connected to GND lines.
38
VDD
-
Positive power supply connection terminal
Connected to BU 5V lines.
39
CLKOUT
O
Internal system clock output
Not used (N.C.)
40,41
NC
O
Not used (N.C.)
42~45
TYPE0~TYPE3
I
Destination type input terminal 0~3
46
IC2TYPE0
I
IC2 setting terminal
Lo : Initial value
47
IC2TYPE1
I
IC2 setting terminal
Lo : Initial value
Содержание KDC-5090B
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