WM8959
Pre-Production
REGISTER
ADDRESS
BIT
10
LABEL
DEFAULT
DESCRIPTION
MICSHRT_IRQ_
ENA
0b
MICBIAS short circuit detect IRQ Enable
0 = disabled
1 = enabled
9
8
7
6
MICDET_IRQ_ENA
0b
MICBIAS current detect IRQ Enable
0 = disabled
1 = enabled
PLL_LCK_IRQ_ENA 0b
PLL Lock IRQ Enable
0 = disabled
1 = enabled
GPI8_DEB_ENA
GPI8_IRQ_ENA
0b
0b
GPI8 Input De-Bounce
0 = disabled (Not de-bounced)
1 = enabled (Requires MCLK input and TOCLK_ENA=1)
GPI8 IRQ Enable
0 = disabled
1 = enabled (GPI8 input will generate IRQ)
Reserved - Do Not Change
GPI8 Input Pin Enable
5
4
0b
0b
GPI8_ENA
0 = RIN3/GPI8 pin disabled as GPI8 input
1 = RIN3/GPI8 pin enabled as GPI8 input
GPI7 Input De-Bounce
3
2
GPI7_DEB_ENA
GPI7_IRQ_ENA
0b
0b
0 = disabled (Not de-bounced)
1 = enabled (Requires MCLK input and TOCLK_ENA=1)
GPI7 IRQ Enable
0 = disabled
1 = enabled (GPI7 input will generate IRQ)
Reserved - Do Not Change
GPI7 Input Pin Enable
1
0
0b
0b
GPI7_ENA
0 = LIN3/GPI7 pin disabled as GPI7 input
1 = LIN3/GPI7 pin enabled as GPI7 input
Reserved - Do Not Change
IRQ Invert
R23 (17h)
15:13
12
000b
0b
GPIO Control
(2)
IRQ_INV
(rw)
0 = IRQ output active high
1 = IRQ output active low
Temperature Sensor polarity
0 = Non-inverted
11
10
9
TEMPOK_POL
(rw)
1b
0b
0b
0b
1 = Inverted
MICSHRT_POL
(rw)
MICBIAS short circuit detect polarity
0 = Non-inverted
1 = Inverted
MICDET_POL
(rw)
MICBIAS current detect polarity
0 = Non-inverted
1 = Inverted
8
PLL_LCK_POL
(rw)
PLL Lock Polarity
0 = Non-inverted
1 = Inverted
PP, May 2008, Rev 3.1
136
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
