wm8961 Wolfson Microelectronics plc, wm8961 Datasheet - Page 97

• Manufacturer Part Number: wm8961
• Description: Ultra-low Power Stereo Codec With 1w Stereo Class D Speaker Drivers And Ground Referenced Headphone Drivers
• Manufacturer: Wolfson Microelectronics plc

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WM8961
Register 44h Analogue PGA Bias
Register 45h Analogue HP 0
Register 48h Charge Pump 1
REGISTER
REGISTER
R68 (44h)
Analogue
PGA Bias
ADDRESS
ADDRESS
R69 (45h)
R72 (48h)
REGISTER
Analogue
ADDRESS
Pump 1
Charge
HP 0
2:0
BIT
BIT
BIT
7
6
5
4
3
2
1
0
0
HP_PGAS_BIAS[2:0]
HPR_RMV_SHORT
HPL_RMV_SHORT
HPR_ENA_OUTP
HPL_ENA_OUTP
HPR_ENA_DLY
HPL_ENA_DLY
CP_ENA
HPR_ENA
HPL_ENA
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
0
0
0
0
0
0
0
0
0
DEFAULT
011
Enable charge-pump digits
0: disable
1: enable
Left channel output short removal: set after output stage has been
enabled
Enables left channel output stage; set after offset cancellation is done
delayed left channel enable, set with at least 20us delay to
HPL_ENA; reset together with HPL_ENA
enables left headphone amplifier. Channel
right channel output short removal: set after output stage has been
enabled
enables right channel output stage; set after offset cancellation is
done
delayed right channel enable, set with at least 20us delay to
HPR_ENA; reset together with HPR_ENA
enables right headphone amplifier. Channel
Headphone PGA bias options
000
001
010
011
100-111
x 2
Reserved
Reserved
x 1
Reserved
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, August 2009, Rev 3.1
Pre-Production
97