參數(shù)資料
型號(hào)： 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(yè)數(shù)： 38/60頁(yè)
文件大?。?/td> 623K
代理商： S1L9225
S1L9225X
RF AMP & SERVO SIGNAL PROCESSOR
38
Fast Search Timing Chart {$44(FWD), $45(REV) inside () Reverse}
$44 ( $45)
Blind Time F
WAIT
Trcnt P Count
Sled Servo ON
Tracking Forward Jump
Track Servo ON
$25+$17
$26 ($27)
$2A ($2F)
$26 ($27)
$25+$18
ISTAT
Sled Output
Track Output
TRCNT
MLT
FWD
REV
Blind K
WAIT
Trcnt T
Count
Kick "R"
Walt
Sled REV
Kick
Sled Servo ON
Sled Servo ON
Sled Forward Kick
$5XX1 Tracking Servo Mutt
Sled servo
Kick
Internal STATUS
To Note During use of Auto-Sequence
1.
Must send tracking gain up and brake on ($17) during 1, 10, 2N, track jump, and fast search.
2.
Before the auto-sequence mode, MLT becomes 'L' and sequence operation executes at the initial WDCK falling edge
after data latch.
3.
During play, determine as FOK and GFS, not ISTAT.
4.
Tracking gain up, brake, anti-shock and focus gain down are not executed in auto-sequence, and separate command
must be provided.
5.
If the Auto-sequence does not operate as Istat Max time over, apply $40 and use after clearing the SSP internal state.
6.
The above indicated WDCK receives 88.2kHz from DSP. (2x
→
176kHz)
7.
The auto-sequence internal trcnt and the actual trcnt are slightly different.
8.
Problems can be generated in the algorithm for 2N and M tracks if jump of more than 512 tracks are attempted;
therefore,
use them for less than 512 track jumps, if at all possible.
9.
Use the fast-search algorithm for more than 512 tracks, if possible.
10. When the track is moved by micom, the internal trcnt count setting is created by the $CXXX command, and complete
and
continuous complete signals are output to ISTAT.
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