Advertisement
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
35
S SOC SCL
36-38
NC
39
ROMCOR DET
39
EPM
40
DSI
I/O
41
CD DISC12 SW
42
CD LOS SW
43
CD MUTE
44
VFD CE
45
SOC S RST
46
SOC S STOP
47
NC
48
CD LOE LIM SW
49
CD LOEJ
I/O
50
CD MOTOR
51
ROTARY CW
52
ROTARY CCW
53
PON PANEL
I/O
54
PON FL+B
I/O
55
SW USB
I/O
56
NC
57
PON ILL
58,59
NC
60
VCC2
61
PON
62
VSS
63,64
TYPE 1,2
65
NC
66
PCON
67~69
NC
70
ANT CON
71
NC
72
ACC DET
73
BU DET
KDC-MP4036U/MP435U/X491/W4537UA/W4537UAY
/W4537UG/W4537UGY/W4737U/W4737UY
Application
I
SOC→System µ-com clock
-
Not used
I
E2PROM writing request
I
EPM input when writing
DSI control
I
12cm CD detection
I
CD loading detection
I
CD mute request
O
VFD control request
O
SOC reset
O
SOC stop
-
Not used
I
CD detection (Chucking SW)
CD motor control
O
CD motor control
I
VOL key detection
I
VOL key detection
Panel 5V power supply
FL fi lament power supply
VBUS5V control
-
Not used
O
Key illumination power supply
-
Not used
-
O
Power supply control
-
I
Destination setting
-
Not used
O
External amplifi er control
-
Not used
O
Power antenna control
-
Not used
I
ACC power supply detection
I
Detection of momentary power down
Truth
Processing / Operation / Description
Value Table
Output L fi xed
H: Writing
L: Mute request, H: Normal condition
H: VFD data transfer ready
H: Normal condition, L: Reset
H: Normal condition, L: SOC stopped
Output L fi xed
H: Loading completed, L: No disc
q
Refer to the truth value table
q
Refer to the truth value table
Detects pulse
15-pulse/360°, 2-pulse/1-click
Detects pulse
15-pulse/360°, 2-pulse/1-click
ON (For 11 minutes after ACC OFF): L
Momentary power down or Panel detached or 11
minutes after ACC OFF: Hi-Z
H: ON, Hi-z: OFF
H: ON, Hi-z: OFF (Depends on command order from
SOC)
Output L fi xed
H: Power ON, L: Power OFF
Output L fi xed
H: Power ON, L: Power OFF
w
Refer to the truth value table
Output L fi xed
Output L fi xed
Tuner ON: H
Output L fi xed
ACC found: L, No ACC: H
BU found: L, Momentary power down: H
7
Advertisement
