
Device
I C
2
interface
Voltage processor 2
SmartReflex 2
CLK
DATA
i2c4_scl
i2c4_sda
vdd_core
Power IC
SMPS
C
o
n
tr
o
l
I C
2
interface
PRM
S
R
_
A
L
W
O
N
_
F
C
L
K
VDD2 voltage
command
Acknowledge
MPU
INTC
PRCM
SMPS
SmartReflex 1
Voltage processor 1
V
D
D
1
e
rr
o
r
V
P
in
te
rr
u
p
t
In
te
rr
u
p
t
c
le
a
r
Voltage controller
Acknowledge
VDD1 voltage
command
vdd_mpu_iva
V
D
D
2
e
rr
o
r
V
P
in
te
rr
u
p
t
In
te
rr
u
p
t
c
le
a
r
PRCM_MPU_IRQ
SR1_IRQ
SR2_IRQ
8
8
prcm-UC-002
Public Version
www.ti.com
PRCM Functional Description
Figure 3-82. SmartReflex Integration
SmartReflex voltage control in the device is implemented for simultaneous control of two independent
voltage sources. One SmartReflex module controls the VDD1 voltage, while the second one is dedicated
to VDD2 control. Each SmartReflex module is connected to a voltage processor. Voltage commands from
both voltage processors are passed to a voltage control, which sends them through a dedicated I
2
C
master interface to the power IC.
3.5.6.5.4.2 SmartReflex Module
is a functional overview of the SmartReflex module.
381
SWPU177N – December 2009 – Revised November 2010
Power, Reset, and Clock Management
Copyright © 2009–2010, Texas Instruments Incorporated