8
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY
KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
●
CD MECHANISM CONTROL IC : 789166YGB-A513 (X32 : IC1)
Pin No.
Name
I/O
Description
Processing Operation
1~6
NC
I
NC
GND
7
ZMUTE_L
I
0 bit MUTE detect (Lch)
Less than 54h : NORMAL,
More than 54h : ZMUTE detect
8
ZMUTE_R
I
0 bit MUTE detect (Rch)
Less than 54h : NORMAL,
More than 54h : ZMUTE detect
9
AVss
-
DGND
10
/MUTE_L
O
Lch Audio mute control
L : MUTE ON, H : MUTE OFF
11
/MUTE_R
O
Rch Audio mute control
L : MUTE ON, H : MUTE OFF
12
/MSTOP
I
Interruption for stand-by
L : STOP, H : Release for STOP mode
13
INTQ
I
Interruption for DSP IC
H : Interruption
14
/FOGUP
I
Interruption for focus gain up
L : Fo GAIN UP, H : NORMAL
15
PON
O
Power ON/OFF control
H : ON, L : OFF
16
/SCK
O
(for DSP) serial data clock output
17
Vdd1
-
BU5V
18
SO
O
(for DSP) serial data output
19
SI
I
(for DSP) serial data input
20
/CLK
I/O
(for system control) I2C clock
21
DATA
I/O
(for system control) I2C data
22
Vpp
-
(FLASH saving terminal)
23
XT2
-
NC
OPEN
24
XT1
I
NC
GND
25
/MRESET
I
Reset detect
L : RESET, H : NORMAL
26
X2
-
System clock
4.19MHz
27
X1
I
System clock
4.19MHz
28
Vss0
-
DGND
29
Vdd0
-
BU5V
30
LOE&LIM_SW
I
Loading end & limit SW detect
L : Inside detect, H : Outside
31
DRV_MUTE
O
Driver muting
L : MUTE ON, H : MUTE OFF
32,33
NC
O
NC
OPEN
34
/SERCH
O
Condition of serch state
L : Search, H : NORMAL
35
/STB
O
Data strobe signal output
36
A0
O
Command & parameter signal output
37
Vss1
-
DGND
38
/DSP_RESET
O
DSP reset control
L : RESET, H : NORMAL
39~41
NC
O
NC
OPEN
42
/PON
O
Power ON/OFF control
L : ON, H : OFF
43
Avdd
-
BU5V
44
Avref
-
BU5V
MICROCOMPUTER’S TERMINAL DESCRIPTION
