S5L986F01 Datasheet, PDF (32/35 Pages) Samsung semiconductor – DIGITAL SIGNAL PROCESSOR FOR CDP

S5L9286F01
DIGITAL SIGNAL PROCESSOR FOR CDP
ESP INTERFACE BLOCK
INTRODUCTION
Because the location of normal table CD Player used in family is fixed, it is possible to play music stabilitable when
the degree of damage on disc is in limit range.
But in now, it is general that user can hear music when moving by Walkman-CD Player. In this case, if user has
been shocked suddenly, it often happens that music playing is unstable.
On this, the ESP interface block is added to S5L9826F01 for realizing the function of Anti-shock.
The application circuit of using NPC anti-shock memory controller IC SM5859AF and S5L9826F01 is as follows.
/ESP
Micor-
Control
YMDATA
YMCLK
YMLD
ZSENSE
SM5859
Part A
16K SRAM
EFM Demodulation
ECC
SUB-Q
Demodulation
CLV-Servo
Interpolation
/JIT
SOS1
VSS
LRCKO
BCKO
ADATAO
Part B
Digital Filter
Digital de_
emphasis
D/A Converter
S5L9286E
LRCKI
BCKI
ADATAI
YBLKCK
YFLSG
YFCLK
YLRCK
YSCK
YSRDATA
/RAS
/WE
A0 to A10
D0 to D3
NCAS
ZLRCK
ZSCK
ZSRDATA
DRAM
/RAS
/WE
A0 to A10
D0 to D3
/CAS
/OE
VSS
Figure 18. ESP Interface Application
The operation of S5L9826F01 is different when normal operation and forming anti- shock function with external
ESP IC. From Figure19, the operation of part B composed by Digital Filter, Digital de-emphasis and 16-bit D/A
Converter in S5L9826F01 and part A except part B is separated. When anti-shock function is used in case of /ESP
Pin being "L", part A block operates in double speed and part B block operates in normal speed.
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