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WM8281ECS/R Datasheet(PDF) 221 Page - Cirrus Logic

Part # WM8281ECS/R
Description  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Datasheet(HTML) 221 Page - Cirrus Logic

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WM8281
Rev 4.0
221
REGISTER
ADDRESS
LABEL
REFERENCE
40h
WKUP_MICD_CLAMP_FALL
See Table 84
WKUP_MICD_CLAMP_RISE
WKUP_GP5_FALL
WKUP_GP5_RISE
WKUP_JD1_FALL
WKUP_JD1_RISE
41h
WSEQ_ENA_MICD_CLAMP_FAL
L
See Table 85
WSEQ_ENA_MICD_CLAMP_RIS
E
WSEQ_ENA_GP5_FALL
WSEQ_ENA_GP5_RISE
WSEQ_ENA_JD1_FALL
WSEQ_ENA_JD1_RISE
66h
WSEQ_MICD_CLAMP_RISE_IND
EX
See “Control Write Sequencer”
67h
WSEQ_MICD_CLAMP_FALL_IND
EX
68h
WSEQ_GP5_RISE_INDEX
69h
WSEQ_GP5_FALL_INDEX
6Ah
WSEQ_JD1_RISE_INDEX
6Bh
WSEQ_JD1_FALL_INDEX
100h
CLK_32K_ENA
See “Clocking and Sample Rates”
See note above.
CLK_32K_SRC
210h
LDO1_VSEL
See “Charge Pumps, Regulators and
Voltage Reference
”
LDO1_DISCH
LDO1_ENA
02A2h
MICD_CLAMP_MODE
See “External Accessory Detection”
02D3h
JD1_ENA
See “External Accessory Detection”
0C04h
GP5_DIR
See “General Purpose Input / Output”
GP5_PU
GP5_PD
GP5_POL
GP5_OP_CFG
GP5_DB
GP5_LVL
GP5_FN
0C0Fh
IRQ_POL
See “Interrupts”
IRQ_OP_CFG
0C10h
GP_DBTIME
See “General Purpose Input / Output”
0C18h
SW1_MODE
0C20h
LDO1ENA_PD
See “Charge Pumps, Regulators and
Voltage Reference
”
LDO1ENA_PU
MCLK2_PD
See “Clocking and Sample Rates”
RESET_PU
See “Hardware Reset, Software Reset,
Wake-Up, and Device ID
”
RESET_PD
0C39h
IRQ_DRV_STR
See “Applications Information”
GPIO5_DRV_STR
0D0Fh
IM_IRQ1
See “Interrupts”
0D1Fh
IM_IRQ2
0D50h
MICD_CLAMP_FALL_TRIG_STS
See Table 83
MICD_CLAMP_RISE_TRIG_STS



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