LM3S5D91 Datasheet, PDF (556/1340 Pages) Texas Instruments – Stellaris® LM3S5D91 Microcontroller

General-Purpose Timers
Bit/Field
4
3:2
1
0
Name
RTCEN
TAEVENT
TASTALL
TAEN
Type
R/W
R/W
R/W
R/W
Reset
0
0x0
Description
GPTM RTC Stall Enable
The RTCEN values are defined as follows:
Value Description
0 RTC counting freezes while the processor is halted by the
debugger.
1 RTC counting continues while the processor is halted by the
debugger.
If the RTCEN bit is set, it prevents the timer from stalling in all operating
modes, even if TnSTALL is set.
GPTM Timer A Event Mode
The TAEVENT values are defined as follows:
Value Description
0x0 Positive edge
0x1 Negative edge
0x2 Reserved
0x3 Both edges
0
GPTM Timer A Stall Enable
The TASTALL values are defined as follows:
Value Description
0 Timer A continues counting while the processor is halted by the
debugger.
1 Timer A freezes counting while the processor is halted by the
debugger.
If the processor is executing normally, the TASTALL bit is ignored.
0
GPTM Timer A Enable
The TAEN values are defined as follows:
Value Description
0 Timer A is disabled.
1 Timer A is enabled and begins counting or the capture logic is
enabled based on the GPTMCFG register.
556
January 22, 2012
Texas Instruments-Production Data