WM8903LGEFK/V Wolfson Microelectronics, WM8903LGEFK/V Datasheet - Page 126

• Manufacturer Part Number: WM8903LGEFK/V
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/V

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

WM8903
R31 (1Fh)
DAC Digital
Volume
Right
Register 1Fh DAC Digital Volume Right
R32 (20h)
DAC Digital
0
Register 20h DAC Digital 0
w
REGISTER
REGISTER
ADDRESS
ADDRESS
11:8
7:4
3:2
1:0
BIT
BIT
7:0
8
ADCR_DAC_SVOL[3:0]
ADCL_DAC_SVOL[3:0]
DACR_VOL[7:0] 1100_0000 Right DAC Digital Volume
ADC_TO_DACR[1:0]
ADC_TO_DACL[1:0]
DACVU
LABEL
LABEL
DEFAULT
0
DEFAULT
0000
0000
00
00
DAC Volume Update
Writing a 1 to this bit causes left and right DAC
volume to be updated simultaneously
00h = Mute
01h = -71.625dB
02h = -71.250dB
… (0.375dB steps)
C0h to FFh = 0dB
Left Digital Sidetone Volume
0000 = -36dB
0001 = -33dB
(… 3dB steps)
1011 = -3dB
11XX = 0dB
Right Digital Sidetone Volume
0000 = -36dB
0001 = -33dB
(… 3dB steps)
1011 = -3dB
11XX = 0dB
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
DESCRIPTION
DESCRIPTION
PP, Rev 3.1, August 2009
Pre-Production
126