參數(shù)資料
型號(hào)： LC78622NE
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(yè)數(shù)： 22/31頁(yè)
文件大小： 338K
代理商： LC78622NE
No. 6015-22/31
LC78622NE
Ports set to be output pins can output high or low levels independently. The 8 bits of the 1 Byte data correspond to
those ports. The bits in the data correspond to CONT1 to CONT8 in order starting with the LSB of the 1 Byte data.
To use CONT6 through CONT8 as output ports, the port functions must be set with the $D9 and $DE commands.
This command is a two-byte command. (RWC set once)
dn =1... Sets CONTn to be an output pin
dn =0... Sets CONTn to be an input pin
X... don’t care
20.
Clock Oscillator; Pin 45: X
IN
, pin 44: X
OUT
21. 16M and 4.2M Pins; Pin 60: 16M, pin 61: 4.2M
Both in normal- and double-speed playback modes, the 16M pin buffer outputs the 16.9344 MHz external crystal
oscillator 16.9344 MHz signal. The 4.2M pin supplies the LA9240M or LA9241M system clock, normally outputting
a 4.2336 MHz signal. When the oscillator is turned off both these pins will be fixed at either high or low.
MSB
LSB
Command
RES = low
G
G
1 0 0 0 1 1 1 0
OSC ON
1 0 0 0 1 1 0 1
OSC OFF
1 1 0 0 1 1 1 0
XTAL 16M
G
G
1 1 0 0 0 0 1 0
NORMAL-SPEED PLAYBACK
G
G
1 1 0 0 0 0 0 1
DOUBLE-SPEED PLAYBACK
The clock that is used as the time base is generated by connecting a 16.9344 MHz oscillator element between these
pins. The OSC OFF command turns off both the VCO and crystal oscillators. The system control microprocessor can
issue double-speed or normal-speed playback command when the application implements double-speed playback
system.
MSB
LSB
Command
1 1 0 1 1 1 0 0 X X X d5 d4 d3 d2 d1
PORT DATA SET
Additionally, CONT1 to CONT5 ports can be set up individually to function as control output pins with the PORT
OP-E/D SET command. The ports are selected using the lower 5 bits of the 1Byte data. The bits in the data
correspond to CONT1 to CONT5 in order starting with the LSB of the 1Byte data. This command is a Two- byte
command. (RWC set once)
dn =1... Sets CONTn to be an output pin
dn =0... Sets CONTn to be an input pin
X... don’t care
MSB
LSB
Command
1 1 0 1 1 0 1 1 X X X d5 d4 d3 d2 d1
PORT OP-E/D SET
相關(guān)PDF資料
PDF描述
LC78624E Compact Disc Player DSP(用于CD播放器的8位DSP)
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)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
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
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