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WM8948ECS/R Datenblatt(PDF) 141 Page - Wolfson Microelectronics plc

Teilenummer WM8948ECS/R
Bauteilbeschribung  Stereo Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  189 Pages
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Hersteller  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8948ECS/R Datenblatt(HTML) 141 Page - Wolfson Microelectronics plc

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Production Data
WM8948
w
PD, May 2011, Rev 4.1
141
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R31 (1Fh)
DRC Control
3
7:4
DRC_ATK[3:0]
0100
Gain attack rate (seconds/6dB)
0000 = Reserved
0001 = 181us
0010 = 363us
0011 = 726us
0100 = 1.45ms
0101 = 2.9ms
0110 = 5.8ms
0111 = 11.6ms
1000 = 23.2ms
1001 = 46.4ms
1010 = 92.8ms
1011 = 185.6ms
1100-1111 = Reserved
3:0
DRC_DCY[3:0]
0010
Gain decay rate (seconds/6dB)
0000 = 186ms
0001 = 372ms
0010 = 743ms
0011 = 1.49s
0100 = 2.97s
0101 = 5.94s
0110 = 11.89s
0111 = 23.78s
1000 = 47.56s
1001-1111 = Reserved
Register 1Fh DRC Control 3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R32 (20h)
DRC Control
4
12:8
DRC_KNEE2_I
P[4:0]
0_0000
Input signal level at the Noise Gate threshold ‘Knee2’.
00000 = -36dB
00001 = -37.5dB
00010 = -39dB
… (-1.5dB steps)
11110 = -81dB
11111 = -82.5dB
Only applicable when DRC_NG_ENA = 1.
7:2
DRC_KNEE_IP
[5:0]
00_0000
Input signal level at the Compressor ‘Knee1’.
000000 = 0dB
000001 = -0.75dB
000010 = -1.5dB
… (-0.75dB steps)
111100 = -45dB
111101 = Reserved
11111X = Reserved
Register 20h DRC Control 4



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