Pre-Production
WM8904
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
NT
0 = do not mask interrupt
1 = mask interrupt
Register 80h Interrupt Status Mask
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
GPIO4 interrupt polarity
0 = active high
Interrupts
R129 (81h)
Interrupt
Polarity
9
GPIO_BCLK_EI
NT_POL
0
1 = active low
Write Sequencer interrupt polarity
Interrupts
8
WSEQ_EINT_P
OL
0
0 = active high (interrupt is triggered when WSEQ is
busy)
1 = active low (interrupt is triggered when WSEQ is
idle)
GPIO3 interrupt polarity
0 = active high
Interrupts
Interrupts
Interrupts
Interrupts
Interrupts
Interrupts
7
6
5
4
3
2
GPIO3_EINT_P
OL
0
0
0
0
0
0
1 = active low
GPIO2 interrupt polarity
0 = active high
GPIO2_EINT_P
OL
1 = active low
GPIO1 interrupt polarity
0 = active high
GPIO1_EINT_P
OL
1 = active low
GPI8 interrupt polarity
0 = active high
GPI8_EINT_POL
GPI7_EINT_POL
1 = active low
GPI7 interrupt polarity
0 = active high
1 = active low
FLL Lock interrupt polarity
FLL_LOCK_EIN
T_POL
0 = active high (interrupt is triggered when FLL Lock
is reached)
1 = active low (interrupt is triggered when FLL is not
locked)
MICBIAS short circuit interrupt polarity
0 = active high
Interrupts
Interrupts
1
0
MIC_SHRT_EIN
T_POL
0
0
1 = active low
MICBIAS current detect interrupt polarity
0 = active high
MIC_DET_EINT
_POL
1 = active low
Register 81h Interrupt Polarity
PP, Rev 3.3, September 2012
175
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
