Datasheet

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 www.ti.com
29.8 GPIO Functionality
The following sections apply to all device pins that can be configured as functional or general-purpose I/O
pins.
29.8.1 GPIO Functionality
Figure 29-32 illustrates the GPIO functionality.
Figure 29-32. GPIO Functionality
29.8.2 Under Reset
The following apply if a device is under reset:
• Pull control. The reset pull control on the pins is enabled or disabled depending on a device-specific
option. This feature is configurable for each module separately.
• Input buffer. The input buffer is enabled.
• Output buffer. The output buffer is disabled.
1484
Serial Communication Interface (SCI) Module SPNU562–May 2014
Submit Documentation Feedback
Copyright © 2014, Texas Instruments Incorporated