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WM8904ECS/R датащи(PDF) 122 Page - Wolfson Microelectronics plc

номер детали WM8904ECS/R
подробное описание детали  Ultra Low Power CODEC for Portable Audio Applications
PDF  188 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8904ECS/R датащи(HTML) 122 Page - Wolfson Microelectronics plc

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WM8904
Pre-Production
w
PP, Rev 3.3, September 2012
122
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
3
GPI7_EINT_DB
0
GPI7 input debounce
0 = disabled
1 = enabled
2
FLL_LOCK_EINT_DB
0
FLL Lock debounce
0 = disabled
1 = enabled
1
MIC_SHRT_EINT_DB
0
MICBIAS short circuit interrupt
debounce
0 = disabled
1 = enabled
0
MIC_DET_EINT_DB
0
MICBIAS current detect
interrupt debounce
0 = disabled
1 = enabled
Table 82 Interrupt Debounce Registers
USING IN1L AND IN1R AS INTERRUPT INPUTS
IN1L pin has three input functions.
Analogue audio input
Digital microphone input (DMICDAT1)
Digital interrupt input (GPI7)
IN1R pin has three input functions.
Analogue audio input
Digital microphone input (DMICDAT2)
Digital interrupt input (GPI8)
To use these pins as digital interrupt inputs, they must be enabled using the GPI7_ENA and
GPI8_ENA bits as described in Table 83.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R124 (7Ch)
GPIO Control 4
9
GPI7_ENA
0
GPI7 input enable
0 = disabled
1 = enabled
8
GPI8_ENA
0
GPI8 input enable
0 = disabled
1 = enabled
Table 83 Enabling IN1L and IN1R as Interrupts GPI7 and GPI8



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