Power, Reset, and Clock Management
8.1.13.2.2 PM_PER_PWRSTST Register (offset = 8h) [reset = 1E60007h]
PM_PER_PWRSTST is shown in
and described in
This register provides a status on the current PER power domain state. [warm reset insensitive]
Figure 8-170. PM_PER_PWRSTST Register
31
30
29
28
27
26
25
24
Reserved
pru_icss_mem_statest
R-0h
R-3h
23
22
21
20
19
18
17
16
pru_icss_mem_statest
ram_mem_statest
InTransition
Reserved
PER_mem_statest
Reserved
R-3h
R-3h
R-0h
R-0h
R-3h
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 8-186. PM_PER_PWRSTST Register Field Descriptions
Bit
Field
Type
Reset
Description
31-25
Reserved
R
0h
24-23
pru_icss_mem_statest
R
3h
PRU-ICSS memory state status
0x0 = Mem_off : Memory is OFF
0x2 = Reserved : Reserved
0x3 = Mem_on : Memory is ON
22-21
ram_mem_statest
R
3h
OCMC RAM memory state status
0x0 = Mem_off : Memory is OFF
0x2 = Reserved : Reserved
0x3 = Mem_on : Memory is ON
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
Reserved
R
0h
18-17
PER_mem_statest
R
3h
PER domain memory state status
0x0 = Mem_off : Memory is OFF
0x2 = Reserved : Reserved
0x3 = Mem_on : Memory is ON
16-3
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 : OFF State
0x1 = RET
0x2 = Reserved1
0x3 = ON : ON State
713
SPRUH73H – October 2011 – Revised April 2013
Power, Reset, and Clock Management (PRCM)
Copyright © 2011–2013, Texas Instruments Incorporated