Register 77: Universal Serial Bus Software Reset (SRUSB), offset 0x528
The SRUSB register provides software the capability to reset the available USB module.
A peripheral is reset by software using a simple two-step process:
1. Software sets a bit (or bits) in the SRUSB register. While the SRUSB bit is 1, the peripheral is
held in reset.
2. Software completes the reset process by clearing the SRUSB bit.
There may be latency from the clearing of the SRUSB bit to when the peripheral is ready for use.
Software should check the corresponding PRUSB bit to verify that the USB Module registers are
ready to be accessed.
Important: This register should be used to reset the USB module.
Universal Serial Bus Software Reset (SRUSB)
Base 0x400F.E000
Offset 0x528
Type RW, reset 0x0000.0000
16171819202122232425262728293031
reserved
ROROROROROROROROROROROROROROROROType
0000000000000000Reset
0123456789101112131415
R0reserved
RWROROROROROROROROROROROROROROROType
0000000000000000Reset
DescriptionResetTypeNameBit/Field
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved31:1
USB Module Software Reset
DescriptionValue
USB module is not reset.0
USB module is reset.1
0RWR00
369June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller
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