WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 57

• 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

w
Pre-Production
Register 16h IN1 Line Control
Register 17h IN2 Line Control
Register 18h IN1 Line Input A Volume
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
R22 (16h)
R23 (17h)
R24 (18h)
IN1 Line
IN2 Line
IN1 Line
Volume
Control
Control
Input A
BIT
BIT
BIT
2:0
1
0
1
0
8
7
6
IN1_CLAMP
IN2_CLAMP
IN1A_MUTE
IN1A_VOL
IN1_DIFF
IN2_DIFF
IN1A_ZC
IN1_VU
LABEL
LABEL
LABEL
[2:0]
DEFAULT
DEFAULT
DEFAULT
011
1
1
1
1
0
1
0
PGA IN1A and IN1B configuration
0 = Single-ended mode
1 = Differential mode
IN1P and IN1N input pad VMID clamp
0 = Clamp de-activated
1 = Clamp activated
PGA IN2A and IN2B configuration
0 = Single-ended mode
1 = Differential mode
IN2P and IN2N input pad VMID clamp
0 = Clamp de-activated
1 = Clamp activated
IN1 Volume Update
Writing a 1 to this bit will cause IN1A and IN1B input
PGA volumes to be updated simultaneously
IN1A PGA Mute
0 = Un-Mute
1 = Mute
IN1A PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
IN1A Volume (differential mode)
000 = -6dB
001 = -3.5dB
010 = 0dB
011 = +3.5dB
100 = +6dB
101 = +12dB
110 = +18dB
111 = +18dB
IN1A Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, January 2010, Rev 3.0
REFER TO
REFER TO
REFER TO
WM9090
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