Texas Instruments TM4C1294NCPDT - Page 985

DescriptionResetTypeNameBit/Field
GPTM Timer B Count Direction
DescriptionValue
The timer counts down.0
The timer counts up. When counting up, the timer starts from a
value of 0x0.
1
When in PWM or RTC mode, the status of this bit is ignored. PWM mode
always counts down and RTC mode always counts up.
0RWTBCDIR4
GPTM Timer B Alternate Mode Select
The TBAMS values are defined as follows:
DescriptionValue
Capture or compare mode is enabled.0
PWM mode is enabled.1
Note: To enable PWM mode, you must also clear the TBCMR
bit and configure the TBMR field to 0x1 or 0x2.
0RWTBAMS3
GPTM Timer B Capture Mode
The TBCMR values are defined as follows:
DescriptionValue
Edge-Count mode0
Edge-Time mode1
0RWTBCMR2
GPTM Timer B Mode
The TBMR values are defined as follows:
DescriptionValue
Reserved0x0
One-Shot Timer mode0x1
Periodic Timer mode0x2
Capture mode0x3
The timer mode is based on the timer configuration defined by bits 2:0
in the GPTMCFG register.
0x0RWTBMR1:0
985June 18, 2014
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TM4C1294NCPDT Microcontroller