WM9093 Datasheet, PDF (62/84 Pages) Wolfson Microelectronics plc – Ultra Low Power Audio Subsystem

WM9093
REGISTER BIT
ADDRESS
R22 (16h)
1
IN1 Line
Control
0
LABEL
IN1_DIFF
IN1_CLAMP
Register 16h IN1 Line Control
DEFAULT
DESCRIPTION
1
PGA IN1A and IN1B configuration
0 = Single-ended mode
1 = Differential mode
1
IN1+ and IN1- input pad VMID clamp
0 = Clamp de-activated
1 = Clamp activated
Production Data
REFER TO
REGISTER BIT
ADDRESS
R23 (17h)
1
IN2 Line
Control
0
LABEL
IN2_DIFF
IN2_CLAMP
Register 17h IN2 Line Control
DEFAULT
DESCRIPTION
1
PGA IN2A and IN2B configuration
0 = Single-ended mode
1 = Differential mode
1
IN2+ and IN2- input pad VMID clamp
0 = Clamp de-activated
1 = Clamp activated
REFER TO
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
R24 (18h)
8
IN1_VU
IN1 Line
Input A
Volume
7
IN1A_MUTE
N/A IN1 Volume Update
Writing a 1 to this bit will cause IN1A and IN1B input
PGA volumes to be updated simultaneously
1
IN1A PGA Mute
0 = Un-Mute
1 = Mute
6
IN1A_ZC
0
IN1A PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
2:0 IN1A_VOL[2:0]
011
IN1A Volume (differential mode)
000 = -6dB
001 = -3.5dB
010 = 0dB
011 = +3.5dB
100 = +6dB
101 = +12dB
110 = +18dB
111 = +18dB
Register 18h IN1 Line Input A Volume
IN1A Volume (single-ended mode)
000 = 0dB
001 = +2.5dB
010 = +6dB
011 = +9.5dB
100 = +12dB
101 = +18dB
110 = +24dB
111 = +24dB
REFER TO
w
PD, March 2012, Rev 4.2
62