DMTimer
20.1.5.9 TCLR Register (offset = 38h) [reset = 0h]
TCLR is shown in
and described in
.
When the TCM field passed from (00) to any other combination then the TCAR_IT_FLAG and the edge
detection logic are cleared. The ST bit of TCLR register may be updated from the OCP interface or reset
due to one-shot overflow. The OCP interface update has the priority.
Figure 20-17. TCLR Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
GPO_CFG
CAPT_MODE
PT
TRG
TCM
R-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
SCPWM
CE
PRE
PTV
AR
ST
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 20-19. TCLR Register Field Descriptions
Bit
Field
Type
Reset
Description
31-15
Reserved
R
0h
14
GPO_CFG
R/W
0h
General purpose output this register drives directly the
PORGPOCFG output pin
0x0 = PORGPOCFG drives 0
0x1 = PORGPOCFG drives 1
13
CAPT_MODE
R/W
0h
Capture mode.
0x0 = Single capture
0x1 = Capture on second event
12
PT
R/W
0h
Pulse or toggle mode on PORTIMERPWM output pin
0x0 = Pulse
0x1 = Toggle
11-10
TRG
R/W
0h
Trigger output mode on PORTIMERPWM output pin
0x0 = No trigger
0x1 = Trigger on overflow
0x2 = Trigger on overflow and match
0x3 = Reserved
9-8
TCM
R/W
0h
Transition Capture Mode on PIEVENTCAPT input pin
0x0 = No capture
0x1 = Capture on low to high transition
0x2 = Capture on high to low transition
0x3 = Capture on both edge transition
7
SCPWM
R/W
0h
This bit should be set or clear while the timer is stopped or the
trigger is off
0x0 = Clear the PORTIMERPWM output pin and select positive
pulse for pulse mode
0x1 = Set the PORTIMERPWM output pin and select negative pulse
for pulse mode
6
CE
R/W
0h
0x0 = Compare mode is disabled
0x1 = Compare mode is enabled
3575
SPRUH73H – October 2011 – Revised April 2013
Timers
Copyright © 2011–2013, Texas Instruments Incorporated