6
KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
Pin No.
Active
Pin Name
I/O
Application
Processing Operation
(H/L)
36
L
BU DET
I
Momentary power-down detection
BU exists : L
BU does not exist (Momentary power-down) : H
37
NC
-
38
PS2-2
O
Power supply control output
Refer to “POWER IC CONTROL” on the TRUTH TABLE
39
PS2-1
O
Power supply control output
Refer to “POWER IC CONTROL” on the TRUTH TABLE
40
PS1-1
O
Power supply control output
Refer to “POWER IC CONTROL” on the TRUTH TABLE
41
PS1-2
O
Power supply control output
Refer to “POWER IC CONTROL” on the TRUTH TABLE
42
PS1-3
O
Power supply control output
Refer to “POWER IC CONTROL” on the TRUTH TABLE
43,44
NC
-
45
CD MUTE
I
CD mute request
L : Mute request
46
L
CD MSTOP
O
CD mecha u-com stop
H : mecha
µ
-com operates, L : mecha
µ
-com is stopped
47
CD LOE LIM SW
I
CD detection (chucking switch)
H : Loading is finished, L : Disc does not exist
48
CD LOEJ
I/O
CD motor control
Refer to “CD MECHA CONTROL OPERATION”
on the TRUTH TABLE
49
CD MOTOR
O
CD motor control
Refer to “CD MECHA CONTROL OPERATION”
on the TRUTH TABLE
50
NC
-
51
L
CD MRST
O
CD mecha
µ
-com reset
H : Normal condition, L : Reset
52
CD SCL
I/O
CD mecha I2C clock output
53
CD DISC12 SW
I
12cm CD detection
54
CD LOS SW
I
CD loading detection
55
CD SDA
I/O
CD mecha I2C data input and output
56
OEM DISP CE
I/O
External display chip enable
External display
57
OEM DISP CLK
I/O
External display clock
External display
58
OEM DISP DATA
I/O
External display chip data
External display
59
DSI
O
DSI control
DSI ON : H, DSI OFF : L, TDF DET=H (DSI blinks)
60
L
RESET
I
61
NC
-
62
L
PON FL
O
VFD power supply ON
VFD ON : H, VFD OFF : L
TDF DET H (DSI blinks) : L, TDF DET L : H
63
KEY REQ
I
Communication request from VFD driver
L : Key input
64
NC
-
65
REMOTE
I
Remote control input
66
LX REQ S
I
Communication request from slave unit
67
VSS0
-
68
VDD1
-
69
X2
-
70
X1
-
MICROCOMPUTER’S TERMINAL DESCRIPTION
