7
KDC-5090B/BY
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Description
Processing Operation
48~51
NC
O
Not used (N.C.)
52
ILL-ON
O
Illumination AVR on/off control output
Hi : POWER ON mode except panel detached or panel mask position
53
M-MUTE L
I
Mute request (Lch) from CD MECHA. MI-COM.
Lo : Mute request
54
M-MUTE R
I
Mute request (Rch) from CD MECHA. MI-COM.
Lo : Mute request
55
BVDD
-
Positive power supply connection terminal
Connected to BU 5V lines.
56
BVSS
-
Ground connection terminal
Connected to GND lines.
57
M-RST
O
Reset output to CD MECHA. MI-COM.
Lo : Reset
58
M-STOP
O
Stop request to CD MECHA. MI-COM.
Lo: Stop mode, Hi : Operation mode
59
NC
O
Not used (N.C.)
60
LO/EJ
I/O
CD MECHA. loading/Eject switching output
Lo : Loading, Hi : Eject, Hi-Z : Stop or Break
61
MOSW
O
CD mechanism loading motor control output
Hi : CD loading/eject action or Break, Lo : other
62
NC
O
Not used (N.C.)
63
CD-SW3
I
Down & limit switch detection input
Hi : Chucking, Lo : Pickup most inner position
64
NC
O
Not used (N.C.)
65
L-CE
I/O
CE output to LCD driver
66~69
NC
O
Not used (N.C.)
70
AVCONT
O
A/D converter reference voltage control output
Hi : Active, Connected to AVREF terminal.
71
AVDD
-
A/D converter positive power supply connection terminal
Connected to BU 5V lines.
72
AVSS
-
A/D, D/A converter ground connection terminal
Connected to GND lines.
73
AVREF
I
A/D converter reference voltage input terminal
74
PHONE
I
PHONE detection input
1V or less : TEL MUTE, 2.5V or greater : NAVI MUTE
75,76
NC (GND)
I
Not used (pull down to GND lines)
77
SRT-SW2
I
SRT position detection input
Panel : (SW1, SW2) = (Hi, Hi) , Slide : (SW1, SW2) = (Hi, Lo)
78
SRT-SW1
I
SRT position detection input
Mask : (SW1, SW2) = (Lo, Lo)
79
NOISE
I
FM noise detection input
80
S-METER
I
S-meter input from F/E
81
R-DATA
I
Data input from the RDS decoder IC
Except RDS model : Not used (pull down to GND lines)
82
R-QUAL
I
Quality input from the RDS decoder IC
Except RDS model : Not used (pull down to GND lines)
83
IFC-OUT
I
F/E IFC OUT input terminal
Hi : Station detected, Lo : Not detected
84,85
NC (GND)
I
Not used (pull down to GND lines)
86
NC
O
Not used (N.C.)
87
R-CLK
I
Clock input from the RDS decoder IC
Except RDS model : Not used (pull down to GND lines)
88
CH-REQC
I
Request input from changers
Lo : Request
89
KEY-REQ
I
Communication request input form LCD driver IC
90
CD-SW1
I
Loading detection
Lo : CD chucking.
91
CD-SW2
I
12cm disc detection terminal
When 12cm disc was detected, the input becomes Lo temporarily.
92
NC
O
Not used (N.C.)
93
BU-DET
I
Momentary power down detection input
Hi : When momentary power down detected or BU OFF, Lo : BU ON
94
CH-DATAC
I
Data input from changers
95
CH-DATAH
O
Data output to changers
96
CH-CLK
I/O
Clock input/output with changers
97
L-DATAL
I
Data input from the LCD driver IC
98
L-DATAS
I/O
Data output to the LCD driver IC
99
L-CLK
I/O
Clock output to the LCD driver IC
Lo : Panel attached
/Panel detaching detection input (LCD Driver)
100
PAN5V
O
Panel 5V control
Hi : Panel attached, Lo : Panel detached
Содержание KDC-5090B
Страница 26: ...KDC 5090B BY 33 ...
