WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 103
WM8990ECS/RV
Manufacturer Part Number
WM8990ECS/RV
Description
Audio CODECs Stereo CODEC w.Class AB/D speaker driver
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8990ECSRV.pdf
(172 pages)
Specifications of WM8990ECS/RV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 61 Audio Interface Input Flow
The Audio Interface input flow illustrated above is controlled by only two signals. These are
ALRCGPIO1 and AIF_SEL.
Table 57 Audio Interface Pin Function Select
R8 (08h)
R9 (09h)
REGISTER
ADDRESS
13
15
BIT
AIF_SEL
ALRCGPIO1
LABEL
0b
0b
DEFAULT
Audio Interface Select
0 = Audio interface 1
1 = Audio interface 2 (GPIO3/BCLK2,
GPIO4/DACLRC2, GPIO5/DACDAT2)
ADCLRC/GPIO1 Pin Function Select
0 = ADCLRC pin
1 = GPIO1 pin (ADCLRC connected to
DACLRC internally)
DESCRIPTION
PD, March 2009, Rev 4.0
WM8990
103
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