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IC101(MT1518) : CD-R/RW Encoder/Decoder/Write Strategy / DSP
Block Diagram
Data
Slicer
Data
PLL
PWM
DAC
Varipitch
CLV Clock
Generator
RFZC/
TEZILP
TEZC
TEI
HRFZC
Circuit
SRVADCVDD
FEI
Servo
TEI
CSI
ADC
SBAD
SRVADCVSS
FOO
TRO
PDM &
FMO
PWM DAC
FMO2
PWMOUT
PDMVDD
PWM2VREF
PWMVREF
PDMVSS
ASP
Control
Interface
40
/Interface /Micro Processor
EFM
Sync.
Demodulator
Protection
Subcode
Demodulator
CLV/CAV
Controller
CIRC
Error Corrector
CDROM
Servo
Sync
DSP
Detection
Descrambler
Audio/Effect
OPC/ROPC
Interface
Computation
Unit
Laser Power
Time to
Audio DAC
Control
Digital
Converter
Logic
Wobble
EFMPLL
Wobble Signal
Spindle
(efmclk
Interface Logic
Control
synthesizer)
FM Demodulator
& Bi-Phase data
Demodulator
ATIP Sync Protection &
CRC check &
Target MSF Search
C3
C3
Decoder
Encoder
CDROM
Host
High-speed
Data
Audio Playback
FIFO
Audio
Host Interface
Digital Out
Write Strategy
Interface
Logic
Servo
status
detection
circuit
CIRC Encoder
DMU
EFM modulatoin
Subcode generator
3K
SRAM
ATAPI
Packet
FIFO
8032
Micro-controller
TEST
Reset
PRST#
Logic
System
Clock
Generator
RD[15:0]
Buffer
RA[11:0]
r
Memory
RAS#
CAS#
Controller
CASH#/RWEH#
RWE#
ROE#
CLK
CKE
DQM
BA(1:0)
Key/LED
EJECT#/STOP#
Interface
PLAY#/PAUSE#
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