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參數(shù)資料
| 型號： | LC78624E |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Compact Disc Player DSP(用于CD播放器的8位DSP) |
| 中文描述： | 光碟機(jī)的DSP（用于光盤播放器的8位數(shù)字信號處理器） |
| 文件頁數(shù)： | 10/27頁 |
| 文件大?。?/td> | 357K |
| 代理商： | LC78624E |
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Two-byte commands (RWC set once: Sets up the general-purpose I/O ports)
Command noise rejection
This command reduces the noise on the CQCK clock signal. While this is effective for noise pulses shorter than
500 ns, the CQCK timings t
WL
, t
WH
, and t
SU
, must be set for at least 1 μs.
6. CLV Servo Circuit; Pin 12: CLV
+
, pin 13: CLV
–
, pin 14: V/P
The CLV
+
pin provides the signal that accelerates the disk in the forward direction and the CLV
–
pin provides the
signal that decelerates the disk. Commands from the microcontroller select one of four modes; accelerate, decelerate,
CLV and stop. The table below lists the CLV
+
and CLV
–
outputs in each of these modes.
Note: CLV servo control commands can set the TOFF pin low only in CLV mode. That pin will be at the high level
at all other times. Control of the TOFF pin by microcontroller command is only valid in CLV mode.
No. 5811-10/27
LC78624E
Code
Command
RES = low
$EF
COMMAND INPUT NOISE REDUCTION MODE
$EE
RESET THE MODE ABOVE
G
G
Code
Command
RES = low
$04
DISC MOTOR START (accelerate)
$05
DISC MOTOR CLV (CLV)
$06
DISC MOTOR BRAKE (decelerate)
$07
DISC MOTOR STOP (stop)
G
G
Mode
CLV
+
CLV
–
Accelerate
High
Low
Decelerate
Low
High
CLV
Pulse output
Pulse output
Stop
Low
Low
A09904
A09905
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC78625E | SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs |
| LC78625 | SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs |
| LC78626KE | Compact Disc Player DSP(用于CD播放器的8位DSP) |
| LC78626 | 16-bit fixed point DSP with Flash |
| LC78626E | 16-bit fixed point DSP with Flash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC78625 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP |
| LC78625E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP |
| LC78626 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players |
| 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 |
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