Power, Reset, and Clock Management
8.1.13.5.3 PRM_RSTST Register (offset = 8h) [reset = 1h]
PRM_RSTST is shown in
and described in
This register logs the global reset sources. Each bit is set upon release of the domain reset signal. Must
be cleared by software. [warm reset insensitive]
Figure 8-181. PRM_RSTST 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
ICEPICK_RST
Reserved
R-0h
R/W-0h
R-0h
7
6
5
4
3
2
1
0
Reserved
EXTERNAL_WARM_
WDT1_RST
Reserved
Reserved
GLOBAL_WARM_SW GLOBAL_COLD_RST
RST
_RST
R-0h
R/W-0h
R/W-0h
R-0h
R/W-0h
R/W-0h
R/W-1h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-200. PRM_RSTST Register Field Descriptions
Bit
Field
Type
Reset
Description
31-10
Reserved
R
0h
9
ICEPICK_RST
R/W
0h
IcePick reset event.
This is a source of global warm reset initiated by the emulation.
[warm reset insensitive]
0x0 = 0x0 : No ICEPICK reset.
0x1 = 0x1 : IcePick reset has occurred.
8-6
Reserved
R
0h
5
EXTERNAL_WARM_RST
R/W
0h
External warm reset event [warm reset insensitive]
0x0 = 0x0 : No global warm reset.
0x1 = 0x1 : Global external warm reset has occurred.
4
WDT1_RST
R/W
0h
Watchdog1 timer reset event.
This is a source of global WARM reset.
[warm reset insensitive]
0x0 = 0x0 : No watchdog reset.
0x1 = 0x1 : watchdog reset has occurred.
3
Reserved
R
0h
Reserved.
2
Reserved
R/W
0h
Reserved.
1
GLOBAL_WARM_SW_RS R/W
0h
Global warm software reset event [warm reset insensitive]
T
0x0 = 0x0 : No global warm SW reset
0x1 = 0x1 : Global warm SW reset has occurred.
0
GLOBAL_COLD_RST
R/W
1h
Power-on (cold) reset event [warm reset insensitive]
0x0 = 0x0 : No power-on reset.
0x1 = 0x1 : Power-on reset has occurred.
728
Power, Reset, and Clock Management (PRCM)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated