WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 148

• 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

WM8990
w
Right DAC
Digital Volume
R13 (0Dh)
Digital
Sidetone
R14 (0Eh)
ADC Control
R15 (0Fh)
Left ADC
Digital Volume
R16 (10h)
Right ADC
Digital Volume
REGISTER
ADDRESS
8
7:0
15:13
12:9
8:5
4
3:2
1:0
15:9
8
7
6:5
4:2
1
0
15:9
8
7:0
15:9
8
7:0
BIT
DAC_VU
DACR_VOL
[7:0]
ADCL_DAC_SVOL
[3:0]
ADCR_DAC_SVOL
[3:0]
ADC_TO_DACL
[1:0]
ADC_TO_DACR
[1:0]
ADC_HPF_ENA
ADC_HPF_CUT
[1:0]
ADCL_DATINV
ADCR_DATINV
ADC_VU
ADCL_VOL
[7:0]
ADC_VU
ADCR_VOL
[7:0]
LABEL
N/A
1100_
0000b
(0dB)
000b
0000b
0000b
0b
00b
00b
00h
1b
0b
00b
000b
0b
0b
00h
N/A
1100_
0000b
(0dB)
00h
N/A
1100_
0000b
(0dB)
DEFAULT
DAC Volume Update
Writing a 1 to this bit will cause left and right DAC volume to
be updated simultaneously
Right DAC Digital Volume
(See Table 26 for volume settings)
Reserved - Do Not Change
Left Channel Digital Sidetone Volume
(See Table 23 for volume range)
Right Channel Digital Sidetone Volume
(See Table 23 for volume range)
Reserved - Do Not Change
Left DAC Digital Sidetone Source
00 = No sidetone
01 = Left ADC
10 = Right ADC
11 = Reserved
Right DAC Digital Sidetone Source
00 = No sidetone
01 = Left ADC
10 = Right ADC
11 = Reserved
Reserved - Do Not Change
ADC Digital High Pass Filter Enable
0 = disabled
1 = enabled
Reserved - Do Not Change
ADC Digital High Pass Filter Cut-Off Frequency (fc)
00 = Hi-fi mode (fc=4Hz at fs=48kHz)
01 = Voice mode 1 (fc=127Hz at fs=16kHz)
10 = Voice mode 2 (fc=130Hz at fs=8kHz)
11 = Voice mode 3 (fc=267Hz at fs=8kHz)
(Note: fc scales with sample rate. See Table 18 for cut-off
frequencies at all supported sample rates)
Reserved - Do Not Change
Left ADC Invert
0 = Left ADC output not inverted
1 = Left ADC output inverted
Right ADC Invert
0 = Right ADC output not inverted
1 = Right ADC output inverted
Reserved - Do Not Change
ADC Volume Update
Writing a 1 to this bit will cause left and right ADC volume to
be updated simultaneously
Left ADC Digital Volume
(See Table 16 for volume range)
Reserved - Do Not Change
ADC Volume Update
Writing a 1 to this bit will cause left and right ADC volume to
be updated simultaneously
Right ADC Digital Volume
(See Table 16 for volume range)
DESCRIPTION
PD, March 2009, Rev 4.0
Production Data
148