LM3S9B81 Datasheet, PDF (198/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

System Control
Bit/Field
12:9
8
7
6
5
4
3
2
1
0
Name
reserved
GPIOJ
GPIOH
GPIOG
GPIOF
GPIOE
GPIOD
GPIOC
GPIOB
GPIOA
Type
RO
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
0
0
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.
Port J Reset Control
When this bit is set, Port J module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port H Reset Control
When this bit is set, Port H module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port G Reset Control
When this bit is set, Port G module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port F Reset Control
When this bit is set, Port F module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port E Reset Control
When this bit is set, Port E module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port D Reset Control
When this bit is set, Port D module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port C Reset Control
When this bit is set, Port C module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port B Reset Control
When this bit is set, Port B module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
Port A Reset Control
When this bit is set, Port A module is reset. All internal data is lost and
the registers are returned to their reset states. This bit must be manually
cleared after being set.
198
June 29, 2010
Texas Instruments-Advance Information