WM8753LEB/RV WOLFSON [Wolfson Microelectronics plc], WM8753LEB/RV Datasheet - Page 73
![no-image](/images/no-image-200.jpg)
WM8753LEB/RV
Manufacturer Part Number
WM8753LEB/RV
Description
HI FI AND TELEPHONY DUAL CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8753LEBRV.pdf
(87 pages)
- Current page: 73 of 87
- Download datasheet (2Mb)
WM8753L
w
Table 71 Bias Control Bits
Table 72 Additional Control Register – Bias Control Bits
R61 (3Dh)
Bias control
R63 (3Fh)
Additional
control
REGISTER
REGISTER
ADDRESS
ADDRESS
8
7
[6:5]
[4:3]
2
[1:0]
1
0
BIT
BIT
IPBIASX0P5
ADCBIAS[1:0]
VDACBIASX0P5
MBIASBOOST
MICBIASBST
[1:0]
BUFBIAS[1:0]
OPBIASX0P5
DMBIAS0P5
LABEL
LABEL
0
0
DEFAULT
0
0
00
00
0
00
DEFAULT
Analogue Output bias current control:
0 = 1x bias
1 = 0.5x bias (reduced power)
DAC and Mixer bias current control:
0 = 1x bias
1 = 0.5x bias (reduced power)
Voice DAC bias current reduce:
0 = 1x bias
1 = 0.5x bias (reduced power)
Master bias current boost
0 = 1x bias
1 = 1.5x bias (increased power)
Microphone preamplifier current boost:
00 = 1x bias
01 = 2x bias
10 = 3x bias
11 = 4x bias
ADC sample and hold buffer bias
control:
00 = 1x bias
01 = 0.25x bias (lowest power)
10 = 0.5x bias (reduced power)
11 = 1.5x bias (increased power)
ADC
ADCINV bias reduce:
0 = 1x bias
1 = 0.5x bias (reduced power)
ADC bias current reduce:
00 = 1x bias
01 = 0.25x bias (lowest power)
10 = 0.5x bias (reduced power)
11 = 1.5x bias (increased power)
volume
DESCRIPTION
DESCRIPTION
control
AI Rev 3.1 June 2004
Advanced Information
(PGA)
and
73
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