wm8982gefl-v Wolfson Microelectronics plc, wm8982gefl-v Datasheet - Page 76

• Manufacturer Part Number: wm8982gefl-v
• Description: Mono Codec With Speaker Driver And Video Buffer
• Manufacturer: Wolfson Microelectronics plc

WM8982
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1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Enable other outputs as required.
11. Set remaining registers.
1.
2.
3.
4.
5.
Power-up when using the output 1.5x boost stage:
Power Down (all cases):
Turn on external power supplies. Wait for supply voltage to settle.
Mute all analogue outputs.
Set BUFDCOPEN = 1 and BUFIOEN = 1 in register R1.
Set SPKBOOST = 1 in register R49.
Set VMIDSEL[1:0] to required value in register R1. Wait for the VMID supply to settle. *Refer
notes 1 and 2.
Set MIX1EN = 1, MIX2EN = 1 and DACENL/R = 1 in register R3.
Set BIASEN = 1 in register R1.
Set SPKOUTEN = 1 and SPKOUTNEN = 1 in register R3. *Note 3.
Enable other mixers as required.
Mute all analogue outputs.
Disable Power Management Register 1. R1 = 0x00.
Disable Power Management Register 2. R2 = 0x00.
Disable Power Management Register 3. R3 = 0x00.
Remove external power supplies.
PP, Rev 3.2, September 2008
Pre-Production
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