wm8941 Wolfson Microelectronics plc, wm8941 Datasheet - Page 86

• Manufacturer Part Number: wm8941
• Description: Mono Codec With Speaker Driver And Video Buffer
• Manufacturer: Wolfson Microelectronics plc

WM8941
w
51 (33h)
52 (34h)
53 (35h)
54 (36h)
55 (37h)
56 (38h)
REGISTER
ADDRESS
5
4:2
1
0
15:0
15:0
15:0
15:9
8
7
6
5:0
15:0
15:8
7
6
5:3
2
1
0
BIT
AUX2SPK
BYP2SPK
DAC2SPK
SPKATTN
SPKZC
SPKMUTE
SPKVOL
MONOATTN
MONOMUTE
AUX2MONO
BYP2MONO
DAC2MONO
LABEL
0
000
0
0
0000h
0000h
0000h
00h
0
0
1
111001
0000h
00h
0
0
0
0
0
0
DEFAULT
Output of auxiliary amplifier to speaker mixer input
0 = not selected
1 = selected
Reserved
Bypass path (output of input boost stage) to speaker
mixer input
0 = not selected
1 = selected
Output of DAC to speaker mixer input
0 = not selected
1 = selected
Reserved
Reserved
Reserved
Reserved
boost stage) to speaker mixer input
0 = 0dB
1 = -10dB
Speaker Volume control zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Speaker output mute enable
0=Speaker output enabled
1=Speaker output muted (VMIDOP)
Speaker Volume Adjust
111111 = +6dB
111110 = +5dB
… (1.0 dB steps)
111001=0dB
…
000000=-57dB
Reserved
Reserved
boost stage) to mono mixer input
0 = 0dB
1 = -10dB
MONOOUT Mute Control
0=No mute
1=Output muted. During mute the mono output will
output VMID which can be used as a DC reference for
a headphone out.
Reserved
Output of Auxiliary amplifier to mono mixer input:
0 = not selected
1 = selected
mixer input
0 = non selected
1 = selected
Output of DAC to mono mixer input
0 = not selected
1 = selected
Attenuation control for bypass path (output of input
Attenuation control for bypass path (output of input
Bypass path (output of input boost stage) to mono
DESCRIPTION
PD, Rev 4.0, August 2008
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
REFER TO
Production Data
86