參數(shù)資料
型號(hào)： UPD9611
廠商： NEC Corp.
元件分類： Codec
英文描述： FOUR-CHANNEL PCM CODEC
中文描述： 四通道的PCM編解碼器
文件頁(yè)數(shù)： 13/28頁(yè)
文件大?。?/td> 161K
代理商： UPD9611
μ
PD9611
13
Gain setting control is set by inputting 8-bit data fo the 1st word first and inputting 8-bit data of the 2nd
word in synchronization with the next rising edge of SP
SYNC
. However, if data other than the identification
code of the 2nd word is input after the input of the 1st word, the contents of the 1st word are ignored.
(i)
When gain setting control is valid
Remark
Because A/
μ
-law, power down control is input after input of gain setting control (1st word),
gain setting control (1st word) becomes invalid and gain setting control (2nd word) also
becomes invalid.
(iii) When gain setting control is invalid –2
Remark
Because gain setting control (2nd word) is input before gain setting control (1st word), gain
setting control (1st word) becomes invalid. Then, because A/
μ
-law, power down control
is input even if gain setting control (1st word) is input, gain setting control (1st word)
becomes invalid.
(ii) When gain setting control is invalid –1
SP
CLK
SP
SYNC
SP
DATA
0 1 0 0 1 1 1 1
1 1 0 1 1 1 1 1
1 0 0 0 1 1 1 1
A/ -law, power down control
(valid)
Gain setting control (1st word)
(valid)
Gain setting control (2nd word)
(valid)
SP
CLK
SP
SYNC
SP
DATA
1 0 0 0 1 1 1 1
1 1 0 1 1 1 1 1
0 1 0 0 1 1 1 1
A/ -law, power down control
(valid)
Gain setting control (2nd word)
(invalid)
Gain setting control (1st word)
(invalid)
SP
CLK
SP
SYNC
SP
DATA
0 1 0 0 1 1 1 1
1 0 0 0 1 1 1 1
1 1 0 1 1 1 1 1
Gain setting control (1st word)
(invalid)
A/ -law, power down control
(valid)
Gain setting control (2nd word)
(invalid)
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
UPD9611GT 制造商:NEC 制造商全稱:NEC 功能描述:FOUR-CHANNEL PCM CODEC
UPD9621L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A-Law CODEC
UPD9622L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:u-Law CODEC
UPD9624L 制造商:NEC 制造商全稱:NEC 功能描述:CMOS PCM CODEC-Filter Combination
UPD9625L 制造商:NEC 制造商全稱:NEC 功能描述:CMOS PCM CODEC-Filter Combination
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