Datasheet

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8.1.4 GPIO Function Tab
The GPIO0, GPIO1, GPIO2 and GPIO3 pins on the ADS7953 can function as simple general purpose
inputs/outputs or as specialized control and monitor functions. The alarm function described in the
previous section is processed by GPIO0 and GPIO1. Refer to the data sheet for specific details on GPIO0
and GPIO1 options. GPIO2 can be used to configure the input range of the ADS7953 (2.5V max or 5.0V
max), and GPIO3 can be used as a power down input pin.
Figure 23. GPIO and System Monitor Control options
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ADS79xxEVM and ADS79xxEVM-PDK SLAU262C– January 2009– Revised May 2011
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