WM8753LEB/RV WOLFSON [Wolfson Microelectronics plc], WM8753LEB/RV Datasheet - Page 24
![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: 24 of 87
- Download datasheet (2Mb)
Advanced Information
w
Table 8 ADC Data Output Configuration
MICROPHONE INPUTS
Figure 6 Internal Microphone Input Circuit
There are two microphone pre-amplifiers which can be configured in a variety of ways to
accommodate up to 3 single ended or 2 differential microphone inputs. The microphone input circuit
is shown in Figure 6.
Each microphone preamplifier has a separate enable bit, MICAMP1EN and MICAMP2EN. The gain
for each preamp can be set independently using MIC1BOOST and MIC2BOOST.
Table 9 Mic Preamp Enables
R21 (15h)
R2 (02h)
Additional
Control (1)
REGISTER
ADDRESS
MIC1N
MIC2N/
REGISTER
ADDRESS
MIC1
MIC3
MIC2
8:7
BIT
BIT
8
7
DATSEL
[1:0]
vmid
vmid
LABEL
MICAMP1EN
MICAMP2EN
LABEL
00
DEFAULT
MICAMP1EN
MICAMP2EN
micamp2
micamp1
0
0
DEFAULT
00: left data = left ADC; right data = right ADC
01: left data = left ADC; right data = left ADC
10: left data = right ADC; right data = right ADC
11: left data = right ADC; right data = left ADC
Microphone amplifier 1 enable
0 = Mic1 amp disabled
1 = Mic1 amp enabled
Microphone amplifier 2 enable
0 = Mic2 amp disabled
1 = Mic2 amp enabled
DESCRIPTION
vmid
vmid
DESCRIPTION
amp1out
AI Rev 3.1 June 2004
amp2out
WM8753L
24
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