KS1452
KS1452 is DVD Servo Processor manufactured by Samsung Semiconductor.
FEATURES
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- - Digital Servo IC for CD/CDROM (x1, x2, x4, x8), and DVD (x1) plete Automatic Adjustment Function (Focus/Tracking Loops input gain, offset, balance, loop gain) of a Digital Filter for each Servo Loop, reducing the number of external parts Built-in AGC function to respond ideally to different disc types High Speed migration control (built-in Sled FG Encoder) and built-in Search Algorithm for speed control Built-in 8-bit A/D Converter and 9-bit D/A Converter Able to select various filter characteristics and internal constants from Syscon Interface with Syscon is 1-bit serial and 8-bit parallel patible Built-in circuits for pensation in cases of Drop Out and Shock Built-in 16-bit Track Counter Able to select the best method from multiple Search Algorithms Widening the range by high speed sampling (151.2Khz), thus improving the Servo function Built-in Wide Capture Range (+/- 50%) PLL Built-in EFM slice Built-in DAC type F/V for RF EQ adjustment FD/PD gain adjustment possible Built-in Wide range VCO (20- 280Mhz) 5V single power supply 80 QFP
- Materialization ..
DVD SERVO PROCESSOR
BLOCK DIAGRAM
SSTOP/PS0
SMON
RSTB TILTO
XOUT
DFCT
LOCK
TZCA
MIRR
FOKB
TEST
DIRC PS1
TILTI
PHI1
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VREF ENV TZCO SME TE FE
TIMING A/D CONVERTER BLOCK GENERATOR
FLKB
I/O INTERFACE BLOCK
TLKB LDONB
SYSCON INTERFACE BLOCK
COUT
TRACK COUNTER
DSP CORE FOR DIGITAL SERVO
DAB CSB MWRB MRDB MDATA[ 7:0] SENSE PSB MDOUT[3:0]
FOD TRD SLD SPD FBAL TBAL DVCTL EFMI RFI ASYDVD ASYCD EFM...