參數(shù)資料
型號(hào)： UPC1857ACT
廠商： NEC Corp.
英文描述： SOUND CONTROL IC WITH SURROUND AND I2C BUS
中文描述： 聲控集成電路環(huán)繞和I2C總線
文件頁(yè)數(shù)： 19/44頁(yè)
文件大?。?/td> 343K
代理商： UPC1857ACT
19
μ
PC1857A
4. EXPLANATION OF EACH COMMAND
4.1
Subaddress List
Bit
Subaddress
MSB
D7
D6
D5
D4
D3
D2
D1
LSB
D0
00H
Output mute
0: OFF
1: ON
0
Output select
D5
D4
Lout
Rout
0
0
L
R
0
1
L
L
1
0
R
R
1
1
L + R
L + R
Surround mode
D3
D2
Mode
0
0
Simulated
0
1
Music
1
0
Movie
1
1
OFF
Surround effect
D1
D0
Gain
0
0
0 dB
0
1
3 dB
1
0
6 dB
1
1
12 dB
01H
Mix
0: OFF
1: ON
Automatic
increment
0: OFF
1: ON
Volume level
Volume
:
MAX
to
MIN
Data
:
111111
to
000000
02H
0
Automatic
increment
0: OFF
1: ON
Balance
L volume :
MIN
to
MAX
to
MAX
R volume:
MAX
to
MAX
to
MIN
Data
:
111111
to
100000
to
000000
03H
0
Automatic
increment
0: OFF
1: ON
0
Bass level
Gain
:
Boost
to
0
to
Cut
Data
:
11111
to
10000
to
00000
04H
0
Automatic
increment
0: OFF
1: ON
0
Treble level
Gain
:
Boost
to
0
to
Cut
Data
:
11111
to
10000
to
00000
Cautions 1. Be sure to write “0” to bit D7 of subaddresses 02H through 04H, bit D6 of subaddress 00H,
and bit D5 of subaddresses 03H and 04H.
2. The surround mode is OFF: 00H (D3, D2 = 11) in any mode other than stereo mode is
selected for output: 00H (D5, D4 = 00).
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