TM4C129ENCPDT Datasheet, PDF (342/2014 Pages) Texas Instruments – Tiva Microcontroller

System Control
Register 49: Universal Serial Bus Peripheral Present (PPUSB), offset 0x328
The PPUSB register provides software information regarding the USB module.
Important: This register should be used to determine if the USB module is implemented on this
microcontroller.
Universal Serial Bus Peripheral Present (PPUSB)
Base 0x400F.E000
Offset 0x328
Type RO, reset 0x0000.0001
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
P0
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Bit/Field
31:1
0
Name
reserved
P0
Type
RO
RO
Reset
0
0x1
Description
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.
USB Module Present
Value Description
0 USB module is not present.
1 USB module is present.
342
June 18, 2014
Texas Instruments-Production Data