WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 46

• Manufacturer Part Number: WM9090ECS/R
• Description: Audio CODECs Audio Subsystem w/ capless headphones
• Manufacturer: Wolfson Microelectronics

Specifications of WM9090ECS/R

• Interface Type: 2-Wire, l2C
• Thd Plus Noise: 80 dB
• Ic Function: Ultra Low Power Audio Subsystem
• Brief Features: Mono Class D Speaker Driver, Automatic Gain Control (AGC)
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM9090
w
Secondly, initiate the sequence by performing the following set of register writes.
R1 (01h)
Power Management (1)
R2 (02h)
Power Management (2)
R22 (16h)
IN1 Line Control
R24 (18h)
IN1 Line Input A Volume
R25 (19h)
IN1 Line Input B Volume
R70 (46h)
Write Sequencer 0
R71 (47h)
Write Sequencer 0
REGISTER
ADDRESS
0x60C0
0x000B
0x0000
0x0100
0x0100
0x0100
0x0100
DATA
OSC_ENA=1, VMID_RES=01,
BIAS_ENA=1
Enable input PGAs
IN1+/- to s/e mode and disable input
clamp
IN1A Volume=-6dB and update
IN1B Volume=-6dB and update
Write Sequencer enable
WSEQ_START=1
PD, November 2010, Rev 4.1
DESCRIPTION
Production Data
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