WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 66

• Manufacturer Part Number: WM8985_07
• Description: Multimedia CODEC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8985
w
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
PP, Rev 3.5, March 2007
Pre-Production
66