wm9090 Wolfson Microelectronics plc, wm9090 Datasheet - Page 60

• Manufacturer Part Number: wm9090
• Description: Ultra Low Power Audio Subsystem
• Manufacturer: Wolfson Microelectronics plc

WM9090
w
Register 1Ch Left Output Volume
Register 1Dh Right Output Volume
Register 22h SPKMIXL Attenuation
Right Output
REGISTER
REGISTER
REGISTER
Attenuation
ADDRESS
ADDRESS
ADDRESS
R29 (1Dh)
R34 (22h)
SPKMIXL
Volume
BIT
BIT
BIT
5:0
5:0
7:6
5:4
3:2
1:0
8
7
6
8
HPOUT1R_MU
HPOUT1R_VO
HPOUT1L_VO
HPOUT1R_ZC
IN1A_SPKMIX
IN1B_SPKMIX
IN2A_SPKMIX
IN2B_SPKMIX
SPKMIX_MUT
HPOUT1_VU
_VOL [1:0]
_VOL [1:0]
_VOL [1:0]
_VOL [1:0]
LABEL
LABEL
LABEL
L [5:0]
L [5:0]
TE
E
DEFAULT
DEFAULT
DEFAULT
10_1101
10_1101
00
00
00
00
0
0
0
1
1 = Mute
Left Headphone Output PGA Volume
-57dB to +6dB in 1dB steps
Headphone Output PGA Volume Update
Writing a 1 to this bit will update HPOUT1LVOL and
HPOUT1RVOL volumes simultaneously.
Right Headphone Output PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
Right Headphone Output PGA Mute
0 = Un-mute
1 = Mute
Right Headphone Output PGA Volume
-57dB to +6dB in 1dB steps
SPKMIX Output mute
0 = Un-Mute
1 = Mute
IN1A to SPKMIX volume control
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
IN1B to SPKMIX volume control
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
IN2A to SPKMIX volume control
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
IN2B to SPKMIX volume control
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, January 2010, Rev 3.0
REFER TO
REFER TO
REFER TO
Pre-Production
60