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KDC-8024
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
19
DIAG
20
MUTE
21
PRE_MUTER
22
PRE_MUTEL
23
BU_DET
24
ACC_DET
25
FOCUS
26
EXT_AMP_CONT
27
DIMMER
28
TYPE2
29
P_ON
30
ILL_ON
31
RESET
32
XT1
33
XT2
34
REGC
35
X2
36
X1
37
VSS
38
VDD
39
CLKOUT
40
LX_REQ_M
41
LX_MUTE
42
LX_CON
43
LX_RST
44
NC
45
NC
46
NC
47
IC2_TYPE0
48
IC2_TYPE1
49
PAN5V
50
E2P5V
51
DSI
52
MC_REQ
53
PAN_RST
54
WOW_MODE3
55
BVDD
56
BVSS
6
I/O
Module
Purpose / Description
I
Extra
P_CONIC over voltage, over current detection.
O
Audio
Mute output.
O
Audio
PREOUT (R ch) mute.
O
Audio
PREOUT (L ch) mute.
I
Extra
Momentary power dropped detection.
I
Extra
ACC detection.
I/O
Audio
WOW focus control.
O
Extra
External amplifier control.
I
Extra
Small lamp detection.
I
Extra
Destination select.
SW 14V, SW 5V control, AD reference
I/O
Power supply
voltage control output.
I/O
Power supply
FL, illumination output.
-
-
Sub clock.
-
Sub clock.
-
-
Main clock.
-
Main clock.
-
-
-
O
LX
Communication request to external slave.
I
LX
Mute request from external slave.
O
LX
External slave select.
Reset output to external slave µ-com
O
LX
O
NC (Without WMA, MP3 model)
NC (KDC-8024 only)
NC (KDC-8024 only)
I
Extra
IC2 destination.
I
Extra
IC2 destination.
I/O
Power supply
Panel 5V control.
I/O
Power supply
E2PROM, DA converter power supply control.
I/O
To panel
DSI control.
Communication request to panel µ-com.
O
To panel
Reset output to panel µ-com.
O
To panel
O
Audio
WOW control.
-
-
Truth table
Processing Operation
Usually : H, Unusually : L
ON : OPEN, OFF : L
M MUTE L is L : L (CD), Momentary power
dropped : L, 2 zone, NAVI interrupt : Fixed H
M MUTE R is L : L (CD), Momentary power
dropped : L, 2 zone, NAVI interrupt : Fixed H
Backup : L,
No backup, momentary power dropped : H
With ACC : L, Without ACC : H
Focus HI : H, Focus LOW : Hi-Z
Refer to external amplifier control.
ON : L, OFF : H
K,J type (With ANT_CON model) : L,
w
E type (Without ANT_CON model) : H
Power ON : H, Power OFF : Hi-Z
ON : H, OFF : Hi-Z
32.768kHz
32.768kHz
Connect to 1µF capacitor.
20MHz
20MHz
Request : L
Mute ON : H
ON : H, OFF : L
Normally : L, After system reset : H (400ms
or more) and then L
Output : L
w
Output : L
w
Output : L
w
w
ON : H, Momentary power dropped : Hi-Z
ON : L, OFF : Hi-Z
ON : L, OFF : Hi-Z
Normally : H, Reset, momentary power dropped : L
q
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