DMTimer
20.1.5.5 IRQSTATUS Register (offset = 28h) [reset = 0h]
IRQSTATUS is shown in
and described in
Component interrupt request status. Check the corresponding secondary status register. Enabled status is
not set unless event is enabled. Write 1 to clear the status after interrupt has been serviced (raw status
gets cleared, that is, even if not enabled).
Figure 20-13. IRQSTATUS 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
R-0h
7
6
5
4
3
2
1
0
Reserved
TCAR_IT_FLAG
OVF_IT_FLAG
MAT_IT_FLAG
R-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 20-15. IRQSTATUS Register Field Descriptions
Bit
Field
Type
Reset
Description
31-3
Reserved
R
0h
2
TCAR_IT_FLAG
R/W
0h
IRQ status for Capture
0x0x0(W) = No action
0x0x0(R) = No event pending
0x0x1(W) = Clear pending event, if any
0x0x1(R) = IRQ event pending
1
OVF_IT_FLAG
R/W
0h
IRQ status for Overflow
0x0x0(W) = No action
0x0x0(R) = No event pending
0x0x1(W) = Clear pending event, if any
0x0x1(R) = IRQ event pending
0
MAT_IT_FLAG
R/W
0h
IRQ status for Match
0x0x0(W) = No action
0x0x0(R) = No event pending
0x0x1(W) = Clear pending event, if any
0x0x1(R) = IRQ event pending
3571
SPRUH73H – October 2011 – Revised April 2013
Timers
Copyright © 2011–2013, Texas Instruments Incorporated