KD-LX333
1-17
Descri
tion of ma
or ICs
Micro-
controller
interface
Audio output
circuit
Digital output
16k
RAM
Address
circuit
1-bit
DAC
Servo control
Clock
generator
LPF
PWM
D/A
A/D
ROM
CLV servo
Sync signal
protection
EFM
Sub code
detector
Data
slicer
VCO
PLL
TMAX
Digital equalizer
automatic
adjustment circuit
RAM
Correction
circuit
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
BCK
LRCK
AOUT
DOUT
IPF
V
DD3
V
SS3
SBOK
CLCK
DATA
SFSY
SBSY
/HSO
UHSO
PV
DD3
PDO
VXDD3
XO
XI
XV
SS3
TEIN
V
DD3
V
SS3
DMO
FMO
AV
DD3
SEL
TEBC
RFGC
V
REF
TRO
FOO
DV
SS3
RO
DV
DD3
DVR
LO
DV
SS3
ZDET
V
SS5
BUS0
BUS1
BUS2
BUS3
BUCK
/CCE
/RST
V
DD5
TEZI
TEI
SBAD
FEI
RFRP
RFZI
RFCT
AV
DD3
RFI
SLCO
AV
SS3
VCOF
RV
REF
LPFO
LPFN
TMAX
TC9490FA (IC521) : DSP & DAC
1.Pin layout & Block daiagram
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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