wm9090 Wolfson Microelectronics plc, wm9090 Datasheet - Page 59

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

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Pre-Production
Register 1Ah IN2 Line Input A Volume
Register 1Bh IN2 Line Input B Volume
REGISTER
REGISTER
REGISTER
Left Output
ADDRESS
ADDRESS
ADDRESS
R27 (1Bh)
R28 (1Ch)
IN2 Line
Volume
Volume
Input B
BIT
BIT
BIT
2:0
8
7
6
8
7
6
HPOUT1L_MU
HPOUT1L_ZC
HPOUT1_VU
IN2B_MUTE
IN2B_VOL
IN2B_ZC
IN2_VU
LABEL
LABEL
LABEL
[2:0]
TE
DEFAULT
DEFAULT
DEFAULT
011
0
1
0
0
0
0
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
Input PGA Volume Update
Writing a 1 to this bit will cause IN2A and IN2B input
PGA volumes to be updated simultaneously
IN2B PGA Mute
0 = Un-Mute
1 = Mute
IN2B PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
IN2B Volume (differential mode)
000 = -6dB
001 = -3.5dB
010 = 0dB
011 = +3.5dB
100 = +6dB
101 = +12dB
110 = +18dB
111 = +18dB
IN2B Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
Headphone Output PGA Volume Update
Writing a 1 to this bit will update HPOUT1LVOL and
HPOUT1RVOL volumes simultaneously.
Left Headphone Output PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
Left Headphone Output PGA Mute
0 = Un-mute
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, January 2010, Rev 3.0
REFER TO
REFER TO
REFER TO
WM9090
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