Power, Reset, and Clock Management
8.1.13.8.2 PM_CEFUSE_PWRSTST Register (offset = 4h) [reset = 7h]
PM_CEFUSE_PWRSTST is shown in
and described in
This register provides a status on the current CEFUSE power domain state. [warm reset insensitive]
Figure 8-194. PM_CEFUSE_PWRSTST Register
31
30
29
28
27
26
25
24
Reserved
LastPowerStateEntered
R-0h
R/W-0h
23
22
21
20
19
18
17
16
Reserved
InTransition
Reserved
R-0h
R-0h
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
LogicStateSt
PowerStateSt
R-0h
R-1h
R-3h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-216. PM_CEFUSE_PWRSTST Register Field Descriptions
Bit
Field
Type
Reset
Description
31-26
Reserved
R
0h
25-24
LastPowerStateEntered
R/W
0h
Last low power state entered.
Set to 0x3 upon write of the same only.
This register is intended for debug purpose only.
0x0 = OFF : Power domain was previously OFF
0x1 = ON : Power domain was previously ON-ACTIVE
23-21
Reserved
R
0h
20
InTransition
R
0h
Domain transition status
0x0 = No : No on-going transition on power domain
0x1 = Ongoing : Power domain transition is in progress.
19-3
Reserved
R
0h
2
LogicStateSt
R
1h
Logic state status
0x0 = OFF : Logic in domain is OFF
0x1 = ON : Logic in domain is ON
1-0
PowerStateSt
R
3h
Current power state status
0x0 = OFF : Power domain is OFF
0x1 = RET : Power domain is in RETENTION
0x2 = INACTIVE : Power domain is ON-INACTIVE
0x3 = ON : Power domain is ON-ACTIVE
745
SPRUH73H – October 2011 – Revised April 2013
Power, Reset, and Clock Management (PRCM)
Copyright © 2011–2013, Texas Instruments Incorporated