Power, Reset, and Clock Management
8.1.12.2.6 CM_WKUP_DEBUGSS_CLKCTRL Register (offset = 14h) [reset = 52580002h]
CM_WKUP_DEBUGSS_CLKCTRL is shown in
and described in
.
This register manages the DEBUGSS clocks.
Figure 8-89. CM_WKUP_DEBUGSS_CLKCTRL Register
31
30
29
28
27
26
25
24
Reserved
OPTCLK_DEBUG_CL
stm_pmd_clkdivsel
trc_pmd_clkdivsel
KA
R-0h
R/W-1h
R/W-2h
R/W-2h
23
22
21
20
19
18
17
16
stm_pmd_clksel
trc_pmd_clksel
OPTFCLKEN_DBGSY
STBYST
IDLEST
SCLK
R/W-1h
R/W-1h
R/W-1h
R-0h
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
MODULEMODE
R-0h
R/W-2h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-97. CM_WKUP_DEBUGSS_CLKCTRL Register Field Descriptions
Bit
Field
Type
Reset
Description
31
Reserved
R
0h
30
OPTCLK_DEBUG_CLKA
R/W
1h
29-27
stm_pmd_clkdivsel
R/W
2h
26-24
trc_pmd_clkdivsel
R/W
2h
23-22
stm_pmd_clksel
R/W
1h
21-20
trc_pmd_clksel
R/W
1h
19
OPTFCLKEN_DBGSYSC
R/W
1h
Optional functional clock control.
LK
0x0 = FCLK_DIS : Optional functional clock is disabled
0x1 = FCLK_EN : Optional functional clock is enabled
18
STBYST
R
0h
Module standby status.
0x0 = Func : Module is functional (not in standby)
0x1 = Standby : Module is in standby
17-16
IDLEST
R
0h
Module idle status.
0x0 = Func : Module is fully functional, including OCP
0x1 = Trans : Module is performing transition: wakeup, or sleep, or
sleep abortion
0x2 = Idle : Module is in Idle mode (only OCP part). It is functional if
using separate functional clock
0x3 = Disable : Module is disabled and cannot be accessed
15-2
Reserved
R
0h
1-0
MODULEMODE
R/W
2h
Control the way mandatory clocks are managed.
0x0 = DISABLED : Module is disable by SW. Any OCP access to
module results in an error, except if resulting from a module wakeup
(asynchronous wakeup).
0x1 = RESERVED_1 : Reserved
0x2 = ENABLE : Module is explicitly enabled. Interface clock (if not
used for functions) may be gated according to the clock domain
state. Functional clocks are guarantied to stay present. As long as in
this configuration, power domain sleep transition cannot happen.
0x3 = RESERVED : Reserved
621
SPRUH73H – October 2011 – Revised April 2013
Power, Reset, and Clock Management (PRCM)
Copyright © 2011–2013, Texas Instruments Incorporated