參數(shù)資料
型號： S1L9225
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： RF AMP & SERVO SIGNAL PROCESSOR
中文描述： 射頻放大器
文件頁數(shù)： 33/60頁
文件大小： 623K
代理商： S1L9225
RF AMP & SERVO SIGNAL PROCESSOR
S1L9225X
33
10 Track Jump {$4A(FWD), $4B(REV)}
Flow-Chart
Track FWD Jump
Sled FWD Kick
Trcnt = 5
NO
YES
WAIT (Blind A)
Track REV Jump,
Sled FWD Kick
Track, Sled Servo ON
NO
YES
10 Track Jump
END
C = Over Flow
Foward jump & kick when $4A and reverse jump &
kick when $4B.
Wait using the WDCK reference clock for blind "A"
time, set by register 5. (1 WDCK = 0.011mS)
Tracking reverse jump & sled forward kick when $4A
and tracking forward jump & reverse kick when &4B.
Repeat check of TRCNT 1's cycle with the WDCK
reference clock to determine if the cycle is long than
the overflow "C" time, set by register 5.
10 Track Jump Timing Chart {$4A(FWD), $4B(REV) inside ( )Reverse }
$4A ( $4B)
Blind Time A
WAIT
Trcnt 5 Count
Tracking Forward Jump
Track Servo ON
Tracking Revrese Jump
Track Servo ON
Sled Servo ON
Sled Forward Kick
Sled Servo ON
$25
$2A ($2F)
$2A ($2F)
$2E ($2B)
$25
ISTAT
Sled Output
Track Output
TRCNT
MLT
Over Flow Time C
Trcnt 1's Time Check
FWD
REV
Internal STATUS
10 track jump executes the tracking forward jump up to trcnt 5track count and turns on the tracking and sled
servos after a tracking reverse jump until trcnt 1's cycle is longer than the overflow 'C' time. This operation
checks whether the actuator speed is sufficient to turn on the servo.
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