Datasheet

V
CC(start)
AV
CC
V
(B_IT-- )
Brownout
Region
V
(SVSstart)
V
(SVS_IT-- )
Software sets VLD > 0:
SVS is active
t
d(SVSR)
undefined
V
hys(SVS_IT-- )
0
1
t
d(BOR)
Brownout
0
1
t
d(SVSon)
t
d(BOR)
0
1
Set POR
Brown-
out
Region
SVS CircuitisActiveFromVLD>toV
CC
< V(
B_IT-- )
SVS out
V
hys(B_IT-- )
0
0.5
1
1.5
2
V
CC
V
CC
1 ns 1ns
V
CC(min)
t
pw
t
pw
– Pulse Width – µs
V
CC(min)
-- V
3 V
1 10 1000
t
f
t
r
t – Pulse Width – µs
100
t
pw
3 V
t
f
= t
r
Rectangular Drop
Triangular Drop
V
CC(min)
MSP430AFE2x3
MSP430AFE2x2
MSP430AFE2x1
SLAS701A – NOVEMBER 2010– REVISED MARCH 2011 www.ti.com
Typical Characteristics – SVS
Figure 12. SVS Reset (SVSR) vs Supply Voltage
Figure 13. V
CC(min)
With a Square Voltage Drop and a Triangle Voltage Drop to Generate an SVS Signal
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