TM4C1290NCZAD Datasheet, PDF (315/1648 Pages) Texas Instruments – Tiva Microcontroller

Tiva^™ TM4C1290NCZAD Microcontroller
Register 40: General-Purpose Input/Output Peripheral Present (PPGPIO),
offset 0x308
The PPGPIO register provides software information regarding the general-purpose input/output
modules.
Important: This register should be used to determine which GPIO ports are implemented on this
microcontroller.
General-Purpose Input/Output Peripheral Present (PPGPIO)
Base 0x400F.E000
Offset 0x308
Type RO, reset 0x0003.FFFF
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
P17
P16
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
1
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bit/Field
31:18
17
Name
reserved
P17
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.
GPIO Port T Present
Value Description
0 GPIO Port T is not present.
1 GPIO Port T is present.
16
P16
RO
0x1
GPIO Port S Present
Value Description
0 GPIO Port S is not present.
1 GPIO Port S is present.
15
P15
RO
0x1
GPIO Port R Present
Value Description
0 GPIO Port R is not present.
1 GPIO Port R is present.
14
P14
RO
0x1
GPIO Port Q Present
Value Description
0 GPIO Port Q is not present.
1 GPIO Port Q is present.
June 18, 2014
315
Texas Instruments-Production Data