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IC BLOCK DIAGRAM & DESCRIPTION
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1234567 891011121314
Vcc
Vcc
DRIVER MUTE
D.BUFD.BUFD.BUFD.BUF
D.BUFD.BUFD.BUFD.BUF
Level shift
Level shift
Level shift
Level shift
T.S .D
IC103 MM1469XH (CD Driver)
EFMO VVDD VVSS PDO ISET FR PCK TAI
TST11
TEST1 TEST3 TEST5
TEST2 TEST4
VDD VSS
C2F
DOUT
LV
DDLVSS
MUTER/
CONT8
LCHO
MUTEL/
CONT7
RV
DD
RVSS
RCHO
XVDD
XOUT
XINFSX
XVSS
4.2M16MEFLGEMPH/
CONT6
CONT5
CONT4
CONT3
CONT2
CONT1
TGL
*RESJP+JP-TOFFTESHFL
RWC
COIN
*CQCK
SQOUT
WRQ
SFSY
SBSY
SBCK
PW
V/*P
CLV-
CLV+
FSEQ
EFMIN
DEFI
10
22
1
12
13
14
49
51
47
50
53
55
57
56
54
15 16 17 20 19 58
PCLL
3418 24 25 26 27 28 29 48 60 61 46 52 45 44 43 39 41 35 40 37 42 38 36
31
30
9
21
6
4
357 2
59 64 11 32 33 62
8
VDD3V
63
23
Slice level
Control
Subcode
Separation
QCRC
Syncrnous Detection
EFM Demodulation
VCO Clock Oscillator
& Clock Control
Crystal Oscillator
System Generator
RAM Address
Generatorl
Digital Output
General
PurposePort
Digital Attenuator
8X Over Sampling
Digital Filter
Interpolalation
Mute
C1 C2 Error Detection&
Correction Flag
Processing
1bit DAC
L.P.F
CLV
Digital Servo
Micro-computer
Inter Fase
Servo Commander
2K
X
8bits
RAM
IC102 LC78629E (DSP for CD Player)
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