WM8973LGEFL/V Wolfson Microelectronics, WM8973LGEFL/V Datasheet - Page 22

• Manufacturer Part Number: WM8973LGEFL/V
• Description: Audio CODECs Stereo Codec with H/P Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8973LGEFL/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8973L
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Table 11 ADC Digital Volume Control
R21 (15h)
Left ADC
Digital Volume
R22 (16h)
Right ADC
Digital Volume
REGISTER
ADDRESS
7:0
8
7:0
8
BIT
LADCVOL
[7:0]
LAVU
RADCVOL
[7:0]
RAVU
LABEL
11000011
( 0dB )
0
11000011
( 0dB )
0
DEFAULT
Left ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -97dB
0000 0010 = -96.5dB
... 0.5dB steps up to
1111 1111 = +30dB
0 = Store LADCVOL in intermediate
latch (no gain change)
1 = Update left and right channel
gains (left = LADCVOL, right =
intermediate latch)
Right ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -97dB
0000 0010 = -96.5dB
... 0.5dB steps up to
1111 1111 = +30dB
Right ADC Volume Update
0 = Store RADCVOL in intermediate
latch (no gain change)
1 = Update left and right channel
gains (left = intermediate latch, right
= RADCVOL)
Left ADC Volume Update
DESCRIPTION
Advanced Information
AI Rev 3.2 July 2004
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