Pre-Production
WM8904
REGISTER
ADDRESS
BIT
10
9
LABEL
IRQ
DEFAULT
DESCRIPTION
R127 (7Fh)
Logical OR of all other interrupt
flags
0
0
Interrupt
Status
GPIO4 interrupt
GPIO_BCLK_EINT
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
Write Sequence interrupt
0 = interrupt not set
8
WSEQ_EINT
0
1 = interrupt is set
Cleared when a ‘1’ is written.
Note that the read value of
WSEQ_EINT is not valid whilst the
Write Sequencer is Busy
GPIO3 interrupt
7
6
5
4
3
2
1
0
GPIO3_EINT
GPIO2_EINT
0
0
0
0
0
0
0
0
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
GPIO2 interrupt
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
GPIO1 interrupt
GPIO1_EINT
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
GPI8 interrupt
GPI8_EINT
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
GPI7 interrupt
GPI7_EINT
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
FLL Lock interrupt
FLL_LOCK_EINT
MIC_SHRT_EINT
MIC_DET_EINT
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
MICBIAS short circuit interrupt
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
MICBIAS current detect interrupt
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
Table 79 Interrupt Status Registers
PP, Rev 3.3, September 2012
119
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
