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Using the GPIO
91
SLUUBD3D–September 2015–Revised September 2018
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Host Controlled GPIO
1 = Open Drain
0 = 3-mA Current Sink
LED2 (Bit 2): GPIO 2
1 = Open Drain
0 = 3-mA Current Sink
LED1 (Bit 1): GPIO 1
1 = Open Drain
0 = 3-mA Current Sink
RSVD (Bit 0): Reserved
14.3 Using the GPIO
The status of all enabled GPIO can be read through GPIOStatus(), and the enabled outputs can be driven
to a specific state through GPIOControl(). When enabling a mix of the LED and GPIO pins to be used as
host controlled GPIO, care should be taken to ensure they are configured correctly for appropriate desired
operation.
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