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參數(shù)資料
| 型號： | LC78626 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-bit fixed point DSP with Flash |
| 中文描述： | 具有閃存的 16 位定點 DSP |
| 文件頁數(shù)： | 18/32頁 |
| 文件大小： | 475K |
| 代理商： | LC78626 |
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(3) The TJ Mode
The relationships between the acceleration pulse, deceleration pulse, and brake interval are as shown in the table
below.
*
The 256 TRACK CHECK does not produce an actuator drive signal as shown in the table above, rather because the mode is such that the TES signal is
counted when the tracking loop is off, it is necessary to provide a feed to the feed motor.
*
When the track jump sequence (a, b, c) is completed, the servo command register is reset automatically.
*
When a new command has been input when the track jump is in process, that command is executed at that instant.
*
In the 1 TRACK JUMP #3 command there is no brake period (period c), but rather caution is warranted because it is necessary to generate the brake
mode using an external circuit.
*
Although in the 2TRACK JUMP IN (OUT) of the new track jump mode the brake period (period c) did not exist for the LC78620E/21E/25E ICs, in this IC
period C has been changed to 60 ms.
No. 5692-18/32
LC78626E
Command
When in the conventional track jump mode
When in the new track jump mode.
a
b
c
a
b
c
1 TRACK JUMP IN (OUT) #1
233 μs
233 μs
60 ms
Same as in the conventional mode.
1 TRACK JUMP IN (OUT) #2
0.5 TRACK
JUMP period
233 μs
60 ms
0.5 TRACK
JUMP period
The same
as for a
60 ms
1 TRACK JUMP IN (OUT) #3
0.5 TRACK
JUMP period
233 μs
This period
does not exist
0.5 TRACK
JUMP period
The same
as for a
This period
does not exist
1 TRACK JUMP IN (OUT) #4
0.5 TRACK
JUMP period
233 μs
60 ms TOFF =“L”
during period C
0.5 TRACK
JUMP period
The same
as for a
60 ms TOFF =“L”
during period C
2 TRACK JUMP IN (OUT)
None
1 TRACK
JUMP period
The same
as for a
60 ms
4 TRACK JUMP IN (OUT)
2 TRACK
JUMP period
466 μs
60 ms
2 TRACK
JUMP period
The same
as for a
60 ms
16 TRACK JUMP IN (OUT)
9 TRACK
JUMP period
7 TRACK
JUMP period
60 ms
9 TRACK
JUMP period
The same
as for a
60 ms
32 TRACK JUMP IN (OUT)
18 TRACK
JUMP period
14 TRACK
JUMP period
60 ms
Same as in the conventional mode.
64 TRACK JUMP IN (OUT)
36 TRACK
JUMP period
28 TRACK
JUMP period
60 ms
Same as in the conventional mode.
128 TRACK JUMP IN (OUT)
72 TRACK
JUMP period
56 TRACK
JUMP period
60 ms
Same as in the conventional mode.
TOFF is high during the period over
which 256 tracks elapse and pulses a
and b are not produced.
256 TRACK JUMP IN (OUT)
60 ms
Same as in the conventional mode.
TRACK JUMP BRAKE
There is no a or b period.
60 ms
Same as in the conventional mode.
Slip detector
High during the brake interval
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PDF描述 |
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| LC78626E | 16-bit fixed point DSP with Flash |
| LC78628 | 16-bit fixed point DSP with Flash |
| LC78628E | 16-bit fixed point DSP with Flash |
| LC78630 | 16-bit fixed point DSP with Flash |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| LC78626E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players |
| LC78626KE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-Player Processor/Controller |
| LC78628 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP with Built-in HDCD Decoder |
| LC78628E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP with Built-in HDCD Decoder |
| LC7863 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DIGITAL SIGNAL PROCESSOR FOR COMPACT DISC PLAYERS |
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