5
CKDC-395/395A/495
Pin No.
Active
Pin Name
I/O
Application
Processing Operation
(H/L)
26
AUD SCL
I/O
tuner I2C clock input and output
27
H
PWIC STBY
O
Power IC standby output
Power IC ON : H, Power IC OFF : L
28
H
VOL MUTE
O
E-VOL mute output
L : Mute OFF, Hi-Z : Mute ON
29
L
PWIC MUTE
O
Power IC mute output
Power OFF : L, Standby : L, Tel mute : L
30
TUN FANC OUT
O
Tuner block (inside the
µ
-com) check
OK : L, NG : H
31
RESET2
O
Mute for reset
Output L
32
NC
-
33
VSS1
-
34
NC
-
35
L
ACC DET
I
ACC detection
ACC exists : L, ACC does not exist : H
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
-
O
CD mecha
µ
-com reset
H : Normal condition, L : Reset
I/O
CD mecha I2C clock output
I
12cm CD detection
I
CD loading detection
I/O
CD mecha I2C data input and output
I/O
External display chip enable
External display
I/O
External display clock
External display
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
-
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