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2) Block Diagram
DV
TIMING
DD
DV
SS
GE NERATOR
ADPVCC
FE
TE
RFENV
DSV
OF T
SERVO
NRFDET
CPU
BDO
OUTPUT PORT
PWMS EL
SPPOL
MICRO CO MPUTER
INTERACE
MP3
SPINDLE
DECORDER
SERVO
FS
CONVERTOR
DIGITAL FILTER
D/A CONVERTER
ANALOG
LOW PA SS F ILTER
DS L, PLL, VCO
EFM DEMODULATION
S YNC INTERP OLATION
CIRC ECC
CDROM ECC
BUS CON TROL
UNIT (BCU)
ADPCM
S ERIAL OU TPUT
INTERFACE (DAO)
- 2-19 -
TXTCK
TXTD
DQSY
SU BCODE
S BCK
INTERFACE
SU BC TXTD/SMCK
NCLDCK DQSY
FLAG
BLKCK
CIRC
RAM
DRVDD
A9 A0
NRAS
DRAM
NCAS 0
NCAS 1
INTERFACE
NWE
D3 D0
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