WM5102 Datasheet, PDF (81/334 Pages) Wolfson Microelectronics plc – Audio Hub CODEC with Voice Processor DSP

Production Data
REGISTER
ADDRESS
R3715
(0E83h)
DRC1 ctrl4
BIT
LABEL
DEFAULT
WM5102
DESCRIPTION
9:8 DRC1_QR_THR
00
DRC1 Quick-release threshold
[1:0]
(crest factor in dB)
00 = 12dB
01 = 18dB
10 = 24dB
11 = 30dB
7:6 DRC1_QR_DCY
00
DRC1 Quick-release decay rate
[1:0]
(seconds/6dB)
00 = 0.725ms
01 = 1.45ms
10 = 5.8ms
11 = Reserved
5:3 DRC1_HI_COM
P [2:0]
011
DRC1 Compressor slope (upper
region)
000 = 1 (no compression)
001 = 1/2
010 = 1/4
011 = 1/8
100 = 1/16
101 = 0
110 = Reserved
111 = Reserved
2:0 DRC1_LO_COM
000
DRC1 Compressor slope (lower
P [2:0]
region)
000 = 1 (no compression)
001 = 1/2
010 = 1/4
011 = 1/8
100 = 0
101 = Reserved
11X = Reserved
10:5 DRC1_KNEE_IP
[5:0]
000000
DRC1 Input signal level at the
Compressor ‘Knee’.
000000 = 0dB
000001 = -0.75dB
000010 = -1.5dB
… (-0.75dB steps)
111100 = -45dB
111101 = Reserved
11111X = Reserved
4:0 DRC1_KNEE_O
P [4:0]
00000
DRC1 Output signal at the
Compressor ‘Knee’.
00000 = 0dB
00001 = -0.75dB
00010 = -1.5dB
… (-0.75dB steps)
11110 = -22.5dB
11111 = Reserved
w
PD, June 2014, Rev 4.2
81