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UPC1857ACT 데이터시트(PDF) 21 Page - NEC

부품명 UPC1857ACT
상세설명  SOUND CONTROL IC WITH SURROUND AND I2C BUS
PDF  44 Pages
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제조업체  NEC [NEC]
홈페이지  http://www.nec.com/
Logo NEC - NEC

UPC1857ACT 데이터시트(HTML) 21 Page - NEC

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µµµµPC1857A
4.4
Explanation of Each Command
4.4.1 Mute
The mute function can be turned ON/OFF by using data of bit D7 of subaddress 00H.
Figure 4-1. Mute
D7
D6
D5
D4
D3
D2
D1
D0
Subaddress
00H
Mute
Output selection
0
0
1
Mute: OFF
Mute: ON
Output mute
Surround mode
Surround effect
Caution When changing the surround mode, and when turning ON/OFF power, use the mute function
(approx. 200 ms) for pop noise reduction.
4.4.2 Output selection
Output can be selected by using data of bits D5 and D4 of subaddress 00H.
Figure 4-2. Output Selection
D7
D6
D5
D4
D3
D2
D1
D0
Subaddress
00H
Mute
Output selection
0
Output
Data
Output selection
D5
0
0
1
1
Surround mode
Surround effect
D4
0
1
0
1
Lout
L
L
R
L + R
Rout
R
L
R
L + R
Caution The surround mode is OFF (D3, D2 = 11) in modes other than the stereo mode (D5, D4 = 00).



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