Production Data
WM8912
REGISTER
ADDRESS
BIT
10
9
LABEL
IRQ
DEFAULT
DESCRIPTION
R127 (7Fh)
0
0
Logical OR of all other interrupt
flags
Interrupt
Status
GPIO_BCLK_EINT
GPIO4 interrupt
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
5
2
GPIO1_EINT
0
0
GPIO1 interrupt
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
FLL Lock interrupt
FLL_LOCK_EINT
0 = interrupt not set
1 = interrupt is set
Cleared when a ‘1’ is written
GPIO4 interrupt mask
0 = do not mask interrupt
1 = mask interrupt
R128 (80h)
Interrupt
Status Mask
9
8
5
2
9
8
IM_GPIO_BCLK_EI
NT
1
1
1
1
0
0
IM_WSEQ_EINT
IM_GPIO1_EINT
Write sequencer interrupt mask
0 = do not mask interrupt
1 = mask interrupt
GPIO1 interrupt mask
0 = do not mask interrupt
1 = mask interrupt
IM_FLL_LOCK_EIN
T
FLL Lock interrupt mask
0 = do not mask interrupt
1 = mask interrupt
R129 (81h)
Interrupt
Polarity
GPIO_BCLK_EINT_
POL
GPIO4 interrupt polarity
0 = active high
1 = active low
WSEQ_EINT_POL
Write Sequencer interrupt polarity
0 = active high (interrupt is
triggered when WSEQ is busy)
1 = active low (interrupt is
triggered when WSEQ is idle)
5
2
GPIO1_EINT_POL
0
0
GPIO1 interrupt polarity
0 = active high
1 = active low
FLL_LOCK_EINT_P
OL
FLL Lock interrupt polarity
0 = active high (interrupt is
triggered when FLL Lock is
reached)
1 = active low (interrupt is
triggered when FLL is not locked)
R130 (82h)
Interrupt
Debounce
9
GPIO_BCLK_EINT_
DB
0
GPIO4 interrupt debounce
0 = disabled
1 = enabled
PD, Rev 4.0, September 2010
79
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
