wm8974gefl-v Wolfson Microelectronics plc, wm8974gefl-v Datasheet - Page 76

• Manufacturer Part Number: wm8974gefl-v
• Description: Mono Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

WM8974
w
54 (36h)
56 (38h)
REGISTER
ADDRESS
8
7
6
5:0
8:7
6
5:3
2
1
0
BIT
SPKZC
SPKMUTE
SPKVOL
MONOMUTE
AUX2MONO
BYP2MONO
DAC2MONO
LABEL
0
0
0
0
111001
0
0
0
0
DEFAULT
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
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 Auxilliary amplifier to mono mixer input:
0 = not selected
1 = selected
Bypass path (output of input boost stage) to mono mixer input
0 = non selected
1 = selected
Output of DAC to mono mixer input
0 = not selected
1 = selected
DESCRIPTION
PD, Rev 4.5, September 2008
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Analogue Outputs
Production Data
REFER TO
76