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Output enable
Data out
Data in
Pull control disable
Pull select
Device pin
Pull control
logic
Input enable
Output enable
Data out
Data in
Pull control disable
Device pin
Pull control
logic
Input enable
GPIO Functionality
1322
SPNU503C – March 2018
Copyright © 2018, Texas Instruments Incorporated
Serial Communication Interface (SCI)/ Local Interconnect Network (LIN)
Module
25.14 GPIO Functionality
The following sections apply to all device pins that can be configured as functional or general-purpose I/O
pins.
25.14.1 GPIO Functionality
illustrates the GPIO functionality.
Figure 25-60. GPIO Functionality
25.14.2 Under Reset
The following apply if a device is under reset:
•
Pull control. The reset pull control on the pins is enabled.
•
Input buffer. The input buffer is enabled.
•
Output buffer. The output buffer is disabled.