LM3S308 Luminary Micro, Inc, LM3S308 Datasheet - Page 181

• Manufacturer Part Number: LM3S308
• Description: Lm3s308 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
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 and the output trigger. The output
trigger can be used to initiate transfers on the ADC module.
30
14
0
0
TBOTE
R/W
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
RO
RO
R/W
RO
26
10
0
0
TBSTALL
R/W
RO
Reset
25
0x00
0
9
0
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.
Value
Value
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.
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
LM3S308 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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