System control module
PRCM
WKUP power domain
Wake-up control module
Device
SDMA
S_DMA_[95:0]
18
7
GPMC
IO_CTRL
3
HW_DBG[17:0]
4
sys_boot[5:0]
hw_dbg[17:0]
sys_ndmareq[3:0]
4
WKUP_RSTPWRON
T
o
m
o
d
u
le
M
s
u
s
p
e
n
d
_
N
p
o
rt
PADCONF_WKUP
CORE power domain
3
3
L
4
-C
o
re
int
e
rc
on
n
ec
t
L3 interconnect
SAVE_RESTORE
_MEM
W
a
k
e
-u
p
in
te
rf
a
c
e
Test
subsystem
Device
modules
MPU
subsystem
IVA2.2
subsystem
92
WKUP_ICLK
scm-004
Core control module
SENS_DMAREQ[3:0]
xMSUSPEND_N
CONTROL_MODULE_REGS
SYS_BOOT[5:0]
ARM_BOOT
CORE_RSTPWRON_RET
CORE_L4_ICLK
DEVICE_TYPE
BAD_DEVICE
PADCONF
START_RESTORE
RESTORE_DONE
CS0_MUX_DEVICE
BOOT_DEVICE_TYPE
BOOT_WAIT_ENABLE
Public Version
www.ti.com
SCM Integration
Figure 13-4. SCM Integration
The SCM is split into two blocks: the core control module in the CORE power domain, and the wake-up
control module in the WKUP power domain. The wake-up control module contains the save-and-restore
memory, some observability multiplexing and pad configurations. For more information about the wake-up
control module, see
, Wake-Up Control Module.
The software sets the configuration registers to the desired values depending on the configuration of the
requested device. Static device configuration registers can be set by the software at any time and are
effective immediately.
2439
SWPU177N – December 2009 – Revised November 2010
System Control Module
Copyright © 2009–2010, Texas Instruments Incorporated
