WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 136
WM8959
Manufacturer Part Number
WM8959
Description
Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8959.pdf
(155 pages)
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WM8959
w
R23 (17h)
GPIO Control
(2)
REGISTER
ADDRESS
10
9
8
7
6
5
4
3
2
1
0
15:13
12
11
10
9
8
BIT
MICSHRT_IRQ_
ENA
MICDET_IRQ_ENA
PLL_LCK_IRQ_ENA
GPI8_DEB_ENA
GPI8_IRQ_ENA
GPI8_ENA
GPI7_DEB_ENA
GPI7_IRQ_ENA
GPI7_ENA
IRQ_INV
(rw)
TEMPOK_POL
(rw)
MICSHRT_POL
(rw)
MICDET_POL
(rw)
PLL_LCK_POL
(rw)
LABEL
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
000b
0b
1b
0b
0b
0b
DEFAULT
MICBIAS short circuit detect IRQ Enable
0 = disabled
1 = enabled
MICBIAS current detect IRQ Enable
0 = disabled
1 = enabled
PLL Lock IRQ Enable
0 = disabled
1 = enabled
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
0 = RIN3/GPI8 pin disabled as GPI8 input
1 = RIN3/GPI8 pin enabled as GPI8 input
GPI7 Input De-Bounce
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
0 = LIN3/GPI7 pin disabled as GPI7 input
1 = LIN3/GPI7 pin enabled as GPI7 input
Reserved - Do Not Change
IRQ Invert
0 = IRQ output active high
1 = IRQ output active low
Temperature Sensor polarity
0 = Non-inverted
1 = Inverted
MICBIAS short circuit detect polarity
0 = Non-inverted
1 = Inverted
MICBIAS current detect polarity
0 = Non-inverted
1 = Inverted
PLL Lock Polarity
0 = Non-inverted
1 = Inverted
DESCRIPTION
PP, May 2008, Rev 3.1
Pre-Production
136
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