LM3S1138 Luminary Micro, Inc, LM3S1138 Datasheet - Page 75

• Manufacturer Part Number: LM3S1138
• Description: Lm3s1138 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
Reset Cause (RESC)
Base 0x400F.E000
Offset 0x05C
Type R/W, reset -
July 26, 2008
Bit/Field
31:6
5
4
3
2
1
0
RO
RO
31
15
0
0
Register 7: Reset Cause (RESC), offset 0x05C
This register is set with the reset cause after reset. The bits in this register are sticky and maintain
their state across multiple reset sequences, except when an external reset is the cause, and then
all the other bits in the RESC register are cleared.
RO
RO
30
14
0
0
reserved
RO
RO
29
13
0
0
Name
WDT
LDO
BOR
POR
EXT
SW
RO
RO
28
12
0
0
RO
RO
27
11
0
0
reserved
Type
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
26
10
0
0
Reset
RO
RO
25
0
9
0
0
-
-
-
-
-
-
Preliminary
RO
RO
24
0
8
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.
LDO Reset
When set, indicates the LDO circuit has lost regulation and has
generated a reset event.
Software Reset
When set, indicates a software reset is the cause of the reset event.
Watchdog Timer Reset
When set, indicates a watchdog reset is the cause of the reset event.
Brown-Out Reset
When set, indicates a brown-out reset is the cause of the reset event.
Power-On Reset
When set, indicates a power-on reset is the cause of the reset event.
External Reset
When set, indicates an external reset (RST assertion) is the cause of
the reset event.
reserved
RO
RO
23
0
7
0
RO
RO
22
0
6
0
LDO
R/W
RO
21
0
5
-
R/W
RO
SW
20
0
4
-
LM3S1138 Microcontroller
WDT
R/W
RO
19
0
3
-
BOR
R/W
RO
18
0
2
-
POR
R/W
RO
17
0
1
-
EXT
R/W
RO
16
0
0
-
75