WM8281 Datasheet, PDF (320/392 Pages) Cirrus Logic – Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation

WM8281
REG
NAME
15 14 13 12 11 10 9
R99 (63h) Sample Rate
0
0
0
0
0
0
0
Sequence Select
3
R100 (64h) Sample Rate
0
0
0
0
0
0
0
Sequence Select
4
R102 (66h) Always On
0
0
0
0
0
0
0
Triggers
Sequence Select
1
R103 (67h) Always On
0
0
0
0
0
0
0
Triggers
Sequence Select
2
R104 (68h) Always On
0
0
0
0
0
0
0
Triggers
Sequence Select
3
R105 (69h) Always On
0
0
0
0
0
0
0
Triggers
Sequence Select
4
R106 (6Ah) Always On
0
0
0
0
0
0
0
Triggers
Sequence Select
5
R107 (6Bh) Always On
0
0
0
0
0
0
0
Triggers
Sequence Select
6
R110 (6Eh) Trigger Sequence 0
0
0
0
0
0
0
Select 32
R111 (6Fh) Trigger Sequence 0
0
0
0
0
0
0
Select 33
R112 (70h) Comfort Noise
Generator
0
NOISE_GEN_RATE [3:0]
0
0
R135 (87h) HP Detect
Calibration 1
HP_OFFSET_ HP_OFFSET_DIFF_10 [1:0]
DIFF_11 [1:0]
R135 (88h) HP Detect
Calibration 2
HP_OFFSET_
DIFF_11 [3:2]
HP_GRADIENT_1X [6:0]
R144 (90h) Haptics Control 1 0
HAP_RATE [3:0]
0
0
R145 (91h) Haptics Control 2 0
R146 (92h) Haptics phase 1 0
0
0
0
0
0
0
intensity
R147 (93h) Haptics phase 1 0
0
0
0
0
0
0
duration
R148 (94h) Haptics phase 2 0
0
0
0
0
0
0
intensity
R149 (95h) Haptics phase 2 0
0
0
0
0
duration
R150 (96h) Haptics phase 3 0
0
0
0
0
0
0
intensity
R151 (97h) Haptics phase 3 0
0
0
0
0
0
0
duration
8
7
6
5
4
3
2
1
0
WSEQ_SAMPLE_RATE_DETECT_C_INDEX [8:0]
WSEQ_SAMPLE_RATE_DETECT_D_INDX [8:0]
WSEQ_MICD_CLAMP_RISE_INDEX [8:0]
WSEQ_MICD_CLAMP_FALL_INDEX [8:0]
WSEQ_GP5_RISE_INDEX [8:0]
WSEQ_GP5_FALL_INDEX [8:0]
WSEQ_JD1_RISE_INDEX [8:0]
WSEQ_JD1_FALL_INDEX [8:0]
WSEQ_SIG_DET_RISE_INDEX [8:0]
WSEQ_SIG_DET_FALL_INDEX [8:0]
0
0
0 NOISE
_GEN_
ENA
HP_OFFSET_01 [1:0]
NOISE_GEN_GAIN [4:0]
HP_OFFSET_DIFF_00 [1:0]
HP_GRADIENT_0X [6:0]
0
0
0
LRA_FREQ [14:0]
0
0 ONES HAP_CTRL HAP_A 0
HOT_T [1:0]
CT
RIG
PHASE1_INTENSITY [7:0]
PHASE1_DURATION [8:0]
0
PHASE2_INTENSITY [7:0]
PHASE2_DURATION [10:0]
0
PHASE3_INTENSITY [7:0]
PHASE3_DURATION [8:0]
DEFAULT
01FFh
01FFh
01FFh
01FFh
01FFh
01FFh
01FFh
01FFh
01FFh
01FFh
0000h
0000h
0000h
0000h
7FFFh
0000h
0000h
0000h
0000h
0000h
0000h
320
Rev 4.0