5
MICROCOMPUTER’S TERMINAL DESCRIPTION
(X14-)IC1:System µ-com
Pin
Pin Name
I/O
Description
Processing Operation
20
REQC
I
External CH reception request
21
REQH
O
External CH transmission request
H: On
22
PANT
O
Power antennal control
H: On
23
PCON
O
External amp power control
H: On
24
PON
O
Power control
H: On
25
LAMP
O
Lamp control
H: On
26
AMP_CTRL
O
External amp control
H: On
27
ACC DET
I
ACC detection
H: ACC off
28
BUZZ
O
Beep ouput
29
SCL
O
IC2 clock ouput
30
SDA
I/O
IC2 data input/output
31
PN MC DATA *
O
Panel
µ
-com communication data output
32
PN SC DATA
I
Panel
µ
-com communication data input
33
PN RTS
O
Panel
µ
-com communication control
34
PN CTS
I
Panel
µ
-com communication control
35
PMOT1
O
Panel motor control
36
PMOT2
O
Panel motor control
37
REFCON
O
A/D reference voltage output
38
PMDET
I
Panel mechanism detection
39
OPEN SW
I
Panel full-open detection
L: Panel full-open
40
PM VR
O
Panel mechanism voltage congrol
H: 5.1V, L: 7.2V
41
PN SCCON
O
Panel
µ
-com communication control line
H: Panel Microcomputer stop
42
MUTE
O
MUTE
H: MUTE on
43
LED CD
O
LED CD display
H: On
44
LED TAPE
O
LED TAPE display
H: On
45
LED LOGO
O
LED LOGO display
H: On
O
SPANA data output request to panel microcomputer
I
CD mechanism SW3 detection
O
CD loading motor control
H: On
I/O
Loading/Eject control
L: Loading direction
H: Eject direction
O
CD mecha controller stop
L: Stop
O
CD mecha controller reset
L: Reset
I
CD mute request
H: Mute request
I
CD mecha SW1 detection
54
CD_SW2
I
CD mecha SW2 detection
55
TA DOLBY
O
Dolby selection SW
H: DOLBY on
56
TA MTL
O
Metal selection SW
H: Metal, L: Normal
57
TA_F/R
O
Play direction selection SW
H: RWD, L: FWD
58
TA MUSIC
I
Between-music detection input SW
L: Music
59
TP MSC
O
Casettee between-music selection SW
L: FF&REV
60
TA EQ MUTE
O
EQ music selection SW
H: MUTE on
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