Datasheet

MSP430F41x2
MIXED SIGNAL MICROCONTROLLER
SLAS648E -- APRIL 2009 -- REVISED MARCH 2011
32
POST OFFICE BOX 655303  DALLAS, TEXAS 75265
typical characteristics
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 Circuit is Active From VLD > to V
CC
<V(
B_IT--)
SVS out
V
hys(B_IT--)
Figure 10. SVS Reset (SVSR) vs Supply Voltage
0
0.5
1
1.5
2
V
CC
V
CC
1ns 1ns
V
CC(min)
t
pw
t
pw
-- Pulse Width -- s
V
CC(min)
-- V
3V
1 10 1000
t
f
t
r
t -- Pulse Width -- s
100
t
pw
3V
t
f
=t
r
Rectangular Drop
Triangular Drop
V
CC(min)
Figure 11. V
CC(min)
: Square Voltage Drop and Triangle Voltage Drop to Generate an SVS Signal (VLD = 1)