MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
33
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
typical characteristics
VCC(start)
AVCC
V(B_IT--)
Brownout
Region
V(SVSstart)
V(SVS_IT--)
Software sets VLD >0:
SVS is active
td(SVSR)
undefined
Vhys(SVS_IT--)
0
1
td(BOR)
Brownout
0
1
td(SVSon)
td(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
VCC
VCC
1 ns
1 ns
VCC(min)
tpw
t
pw
-- Pulse Width --
s
V
CC(min)
--
V
3 V
1
10
1000
t
f
t
r
t -- Pulse Width --
s
100
t pw
3 V
t
f =
t
r
Rectangular Drop
Triangular Drop
VCC(min)
Figure 11. V
CC(min)
: Square Voltage Drop and Triangle Voltage Drop to Generate an SVS Signal (VLD = 1)
Содержание MSP430FG47x
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