
WKUP power domain
PRCM
Configuration registers
Power, reset
manager
(PRM)
Clock manager
(CM)
Device
L4
interconnect
Power Ctrl
Idle, wakeup
control
Reset Ctrl
Clock Ctrl
Generic power
domain
Memory
Retention
sys_clkreq
sys_nrespwron
sys_altclk
sys_32k
sys_xtalin
sys_xtalout
sys_nreswarm
sys_boot6
vdd_mpu_iva
vdd_core
vdda_sram
LDO
VDD3
ctrl
VDD4
VDD5
Generic voltage domain
Domain voltage
P
o
w
e
r
c
o
n
tr
o
l
lo
g
ic
CORE power domain
VDD1
VDD2
sys_off_mode
sys_clkout2
sys_clkout1
prcm-010
sys_nvmode1
LDO
vdda_wkup_bg_bb
i2c4_scl
sys_nvmode2
i2c4_sda
System control module
sys_xtalin
sys_xtalgnd
Public Version
PRCM Overview
www.ti.com
Figure 3-11. PRCM Overview
240
Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated