WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 68

• Manufacturer Part Number: WM8985GEFL
• Description: Audio CODECs Multimedia CODEC with Class D HP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8985GEFL

• 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

WM8985
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Table 34 OUT1 Volume Control
R52 (34h)
LOUT1
Volume
control
R53
ROUT1
Volume
control
REGISTER
ADDRESS
5:0
6
7
8
5:0
6
7
8
BIT
LOUT1VOL
LOUT1MUTE
LOUT1ZC
HPVU
ROUT1VOL
ROUT1MUTE
ROUT1ZC
HPVU
LABEL
Not latched
Not latched
DEFAULT
111001
111001
(0dB)
(0dB)
0
0
0
0
Left headphone output volume:
(1dB steps)
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Left headphone output mute:
0 = Normal operation
1 = Mute
Headphone volume zero cross
enable:
1 = Change gain on zero cross only
0 = Change gain immediately
LOUT1 and ROUT1 volumes do not
update until a 1 is written to HPVU
(in reg 52 or 53)
Right headphone output volume:
(1dB steps)
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Right headphone output mute:
0 = Normal operation
1 = Mute
Headphone volume zero cross
enable:
1 = Change gain on zero cross only
0 = Change gain immediately
LOUT1 and ROUT1 volumes do not
update until a 1 is written to HPVU
(in reg 52 or 53)
DESCRIPTION
PD, Rev 4.6, July 2009
Production Data
68