WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 103

• Manufacturer Part Number: WM8990ECS/RV
• Description: Audio CODECs Stereo CODEC w.Class AB/D speaker driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8990ECS/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

w
Production Data
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