參數(shù)資料
型號(hào)： LC78621E
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(hào)處理器）
文件頁數(shù)： 16/34頁
文件大?。?/td> 417K
代理商： LC78621E
TJ commands
When the LC78621E receives a track jump instruction as a servo command, it first generates accelerating pulses
(period a) and next generates deceleration pulses (period b). The passage of the braking period (period c) completes
the specified jump. During the braking period, the LC78621E detects the beam slip direction from the TES and
HFL inputs. TOFF is used to cut the components in the TE signal that aggravate slip. The jump destination track is
captured by increasing the servo gain with TGL. In THLD period TOFF output mode the TOFF signal is held high
during the period when THLD is high.
Note: Of the modes related to disk motor control, the TOFF pin only goes low in CLV mode, and will be high
during start, stop, and brake operations. Note that the TOFF pin can be turned on and off independently by
microprocessor issued commands. However, this function is only valid when disk motor control is in CLV
mode.
No. 5223-16/34
LC78621E
MSB
LSB
Command
RES = low
G
G
1 0 1 0 0 0 0 0
STANDARD TRACK JUMP
1 0 1 0 0 0 0 1
NEW TRACK JUMP
0 0 0 1 0 0 0 1
1 TRACK JUMP IN #1
0 0 0 1 0 0 1 0
1 TRACK JUMP IN #2
0 0 1 1 0 0 0 1
1 TRACK JUMP IN #3
0 1 0 1 0 0 1 0
1 TRACK JUMP IN #4
0 0 0 1 0 0 0 0
2 TRACK JUMP IN
0 0 0 1 0 0 1 1
4 TRACK JUMP IN
0 0 0 1 0 1 0 0
16 TRACK JUMP IN
0 0 1 1 0 0 0 0
32 TRACK JUMP IN
0 0 0 1 0 1 0 1
64 TRACK JUMP IN
0 0 0 1 0 1 1 1
128 TRACK JUMP IN
0 0 0 1 1 0 0 1
1 TRACK JUMP OUT #1
0 0 0 1 1 0 1 0
1 TRACK JUMP OUT #2
0 0 1 1 1 0 0 1
1 TRACK JUMP OUT #3
0 1 0 1 1 0 1 0
1 TRACK JUMP OUT #4
0 0 0 1 1 0 0 0
2 TRACK JUMP OUT
0 0 0 1 1 0 1 1
4 TRACK JUMP OUT
0 0 0 1 1 1 0 0
16 TRACK JUMP OUT
0 0 1 1 1 0 0 0
32 TRACK JUMP OUT
0 0 0 1 1 1 0 1
64 TRACK JUMP OUT
0 0 0 1 1 1 1 1
128 TRACK JUMP OUT
0 0 0 1 0 1 1 0
256 TRACK CHECK
0 0 0 0 1 1 1 1
TOFF
1 0 0 0 1 1 1 1
TON
G
G
1 0 0 0 1 1 0 0
TRACK JUMP BRAKE
0 0 1 0 0 0 0 1
THLD PERIOD TOFF OUTPUT MODE
0 0 1 0 0 0 0 0
RESET THLD PERIOD TOFF OUTPUT MODE
G
G
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC78622E 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP
LC78622NE 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP
LC78624E 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP
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
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