LM3S300 Luminary Micro, Inc, LM3S300 Datasheet - Page 175

• Manufacturer Part Number: LM3S300
• Description: Lm3s300 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
GPTM Control (GPTMCTL)
Timer0 base: 0x4003.0000
Timer1 base: 0x4003.1000
Timer2 base: 0x4003.2000
Offset 0x00C
Type R/W, reset 0x0000.0000
June 04, 2008
Bit/Field
reserved
31:15
11:10
14
13
12
RO
RO
31
15
0
0
TBPWML
R/W
RO
Register 4: GPTM Control (GPTMCTL), offset 0x00C
This register is used alongside the GPTMCFG and GMTMTnMR registers to fine-tune the timer
configuration, and to enable other features such as timer stall.
30
14
0
0
TBOTE
R/W
TBEVENT
RO
TBPWML
29
13
reserved
reserved
0
0
TBOTE
Name
reserved
RO
RO
28
12
0
0
R/W
RO
27
11
0
0
TBEVENT
Type
R/W
R/W
R/W
RO
RO
R/W
RO
26
10
0
0
TBSTALL
R/W
RO
Reset
25
0x00
0
9
0
0x0
0
0
0
Preliminary
TBEN
R/W
RO
24
0
8
0
reserved
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.
GPTM TimerB PWM Output Level
The TBPWML values are defined as follows:
GPTM TimerB Output Trigger Enable
The TBOTE values are defined as follows:
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.
GPTM TimerB Event Mode
The TBEVENT values are defined as follows:
Value
Value
Value
0x0
0x1
0x2
0x3
reserved
0
1
0
1
RO
RO
23
0
7
0
Description
Output is unaffected.
Output is inverted.
Description
The output TimerB trigger is disabled.
The output TimerB trigger is enabled.
Description
Positive edge
Negative edge
Reserved
Both edges
TAPWML
R/W
RO
22
0
6
0
TAOTE
R/W
RO
21
0
5
0
RTCEN
R/W
RO
20
0
4
0
R/W
RO
19
0
3
0
TAEVENT
LM3S300 Microcontroller
R/W
RO
18
0
2
0
TASTALL
R/W
RO
17
0
1
0
TAEN
R/W
RO
16
0
0
0
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