LM3S1937 Datasheet, PDF (577/673 Pages) Texas Instruments – Stellaris® LM3S1937 Microcontroller

Stellaris^® LM3S1937 Microcontroller
Register 16: PWM0 Raw Interrupt Status (PWM0RIS), offset 0x048
Register 17: PWM1 Raw Interrupt Status (PWM1RIS), offset 0x088
Register 18: PWM2 Raw Interrupt Status (PWM2RIS), offset 0x0C8
These registers provide the current set of interrupt sources that are asserted, regardless of whether
they cause an interrupt to be asserted to the controller (PWM0RIS controls the PWM generator 0
block, and so on). Bits set to 1 indicate the latched events that have occurred; bits set to 0 indicate
that the event in question has not occurred.
PWM0 Raw Interrupt Status (PWM0RIS)
Base 0x4002.8000
Offset 0x048
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
IntCmpBD IntCmpBU IntCmpAD IntCmpAU IntCntLoad IntCntZero
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
31:6
5
4
3
2
1
0
Name
reserved
IntCmpBD
IntCmpBU
IntCmpAD
IntCmpAU
IntCntLoad
IntCntZero
Type
RO
RO
RO
RO
RO
RO
RO
Reset
0x00
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.
Comparator B Down Interrupt Status
Indicates that the counter has matched the comparator B value while
counting down.
Comparator B Up Interrupt Status
Indicates that the counter has matched the comparator B value while
counting up.
Comparator A Down Interrupt Status
Indicates that the counter has matched the comparator A value while
counting down.
Comparator A Up Interrupt Status
Indicates that the counter has matched the comparator A value while
counting up.
Counter=Load Interrupt Status
Indicates that the counter has matched the PWMnLOAD register.
Counter=0 Interrupt Status
Indicates that the counter has matched 0.
June 18, 2012
577
Texas Instruments-Production Data