wm8918 Wolfson Microelectronics plc, wm8918 Datasheet - Page 112
wm8918
Manufacturer Part Number
wm8918
Description
Ultra Low Power Dac For Portable Audio Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8918.pdf
(175 pages)
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USING IN1L AND IN1R AS INTERRUPT INPUTS
IN1L pin has three input functions.
•
•
•
IN1R pin has three input functions.
•
•
•
To use these pins as digital interrupt inputs, they must be enabled using the GPI7_ENA and
GPI8_ENA bits as described in Table 76.
Table 76 Enabling IN1L and IN1R as Interrupts GPI7 and GPI8
R124 (7Ch)
GPIO Control 4
REGISTER
ADDRESS
Analogue audio input
Digital microphone input (DMICDAT1)
Digital interrupt input (GPI7)
Analogue audio input
Digital microphone input (DMICDAT2)
Digital interrupt input (GPI8)
BIT
9
8
GPI7_ENA
GPI8_ENA
LABEL
DEFAULT
0
0
GPI7 input enable
0 = disabled
1 = enabled
GPI8 input enable
0 = disabled
1 = enabled
PD, Rev 4.0, September 2010
DESCRIPTION
Production Data
112
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