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PRCM Register Manual
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Table 3-459. PRM_RSTST
Address Offset
0x0000 0058
Physical Address
0x4830 7258
Instance
Global_Reg_PRM
Description
This register logs the global reset sources. Each bit is set upon release of the domain reset signal. Must
be cleared by software.
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
RESERVED
RESERVED
RESERVED
ICEPICK_RST
MPU_WD_RST
GLOBAL_SW_RST
ICECRUSHER_RST
GLOBAL_COLD_RST
EXTERNAL_WARM_RST
VDD2_VOLTAGE_MANAGER_RST
VDD1_VOLTAGE_MANAGER_RST
Bits
Field Name
Description
Type
Reset
31:11
RESERVED
Write 0s for future compatibility. Read returns 0.
R
0x000000
10
ICECRUSHER_RST
IceCrusher reset event. This is a source of warm reset
RW
0x0
initiated by the emulation.
Read 0x0: No IceCrusher reset.
Write 0x0: Status bit unchanged
Read 0x1: IceCrusher reset occurred.
Write 0x1: Status bit is cleared to 0.
9
ICEPICK_RST
IcePick reset event. This is a source of warm reset
RW
0x0
initiated by the emulation.
Read 0x0: No IcePick reset.
Write 0x0: Status bit unchanged
Read 0x1: IcePick reset occurred.
Write 0x1: Status bit is cleared to 0.
8
VDD2_VOLTAGE_MANAGER_R VDD2 voltage manager reset event
RW
0x0
ST
Read 0x0: No VDD2 voltage manager reset.
Write 0x0: Status bit unchanged
Read 0x1: VDD2 voltage manager reset occurred.
Write 0x1: Status bit is cleared to 0.
7
VDD1_VOLTAGE_MANAGER_R VDD1 voltage manager reset event
RW
0x0
ST
Read 0x0: No VDD1 voltage manager reset.
Write 0x0: Status bit unchanged
Read 0x1: VDD1 voltage manager reset occurred.
Write 0x1: Status bit is cleared to 0.
6
EXTERNAL_WARM_RST
External warm reset event
RW
0x0
Read 0x0: No global warm reset.
Write 0x0: Status bit unchanged
Read 0x1: Global external warm reset occurred.
Write 0x1: Status bit is cleared to 0.
5
RESERVED
Reserved for non-GP devices.
RW
0x0
634
Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated