TM4C129LNCZAD Datasheet, PDF (362/2140 Pages) Texas Instruments – Tiva Microcontroller

System Control
Register 66: 1-Wire Peripheral Present (PPOWIRE), offset 0x398
The PPOWIRE register provides software information regarding the 1-Wire module.
Important: This register should be used to determine which 1-Wire modules are implemented on
this microcontroller.
1-Wire Peripheral Present (PPOWIRE)
Base 0x400F.E000
Offset 0x398
Type RO, reset 0x0000.0000
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
0
Bit/Field
31:1
0
Name
reserved
P0
Type
RO
RO
Reset
0
0x0
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.
1-Wire Module Present
Value Description
0 1-Wire module is not present.
1 1-Wire module is present.
362
June 18, 2014
Texas Instruments-Production Data