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參數(shù)資料
| 型號： | KB9223-L |
| 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)： | 28/34頁 |
| 文件大?。?/td> | 614K |
| 代理商： | KB9223-L |
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PRELIMINARY
RF AMP & SERVO SIGNAL PROCESSOR
28
KB9223 / KB9223-L
M/M-97-P006
1997. 10. 17
3.2.2 Tracking Control($1X)
This command is used for tracking loop gain control, break circuit and anti-shock on/off control.
TG2 and TG1 are internal switch for tracking gain set.
3.2.3 Tracking mode($2X)
This command is used for tracking and sled servo on/off and jump for searching track.
<Tracking control & Sled control>
3.2.4 Peak value set($3X)
This command is used for the peak value setting of focus search and sled kick .
D0,D1:Sled kick
D2,D3:Focus search peak value
3.2.5 Auto Sequencer command($4X)
This command is used for reducing control time and replacing several command by one auto- sequence
command.
Auto sequencer mode is performed from the first falling edge of WDCK clock after the falling of
the latch pulse.
Auto sequencer does not carry out tracking gain up,brake,anti-shock and focus gain down.
Micom checks ISTAT pin(/BUSY) and sends to $40 command to reset preceding auto
sequencer status
D7
D6
D5
D4
D3
D2
D1
D0
ISTAT
0
0
0
1
Anti
shock
on/off
Break
circuit
on/off
TG2
TG1
Anti
shock
D7
D6
D5
D4
D3
D2
D1
D0
ISTA
T
0
0
1
0
Tracking control
Sled control
TZC
D3
D2
Tracking mode
D1
D0
Sled mode
0
0
Tracking servo off
0
0
Sled servo off
0
1
servo on
0
1
servo on
1
0
Forward jump
1
0
Forward kick
1
1
Reverse jump
1
1
Reverse kick
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