Datasheet

MSP430F471x3, MSP430F471x6, MSP430F471x7
MIXED SIGNAL MICROCONTROLLER
SLAS626C -- OCTOBER 2008 -- REVISED MARCH 2011
37
POST OFFICE BOX 655303  DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
typical characteristics -- POR/brownout reset (BOR)
V
CC(drop)
V
CC
3V
t
pw
0
0.5
1
1.5
2
0.001 1 1000
Typical Conditions
1ns 1ns
t
pw
-- Pulse Width -- s
V
CC(drop)
-- V
t
pw
-- Pulse Width -- s
V
CC
=3V
Figure 9. V
CC(drop)
Level With a Square Voltage Drop to Generate a POR/Brownout Signal
V
CC
0
0.5
1
1.5
2
V
CC(drop)
t
pw
t
pw
-- Pulse Width -- s
V
CC(drop)
-- V
3V
0.001 1 1000
t
f
t
r
t
pw
-- Pulse Width -- s
t
f=
t
r
Typical Conditions
V
CC
=3V
Figure 10. V
CC(drop)
Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal