MSP430x23x, MSP430x24x(1), MSP430x2410
MIXED SIGNAL MICROCONTROLLER
SLAS547A -- JUNE 2007 -- REVISED NOVEMBER 2007
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
typical characteristics - POR/brownout reset (BOR)
-
2
1.5
1
0.5
0
0.001
VCC(drop)
V
CC
= 3 V
Typical Conditions
VCC
3V
t pw
VCC(drop) - V
-
1
t
pw
- Pulse Width -
渭s
-
-
1000
1 ns
1 ns
t
pw
- Pulse Width -
渭s
-
-
Figure 10. V
CC(drop)
Level With a Square Voltage Drop to Generate a POR/Brownout Signal
VCC
2
V
CC
= 3 V
VCC(drop) - V
-
1.5
1
0.5
0
0.001
VCC(drop)
t
f
= t
r
1
t
pw
- Pulse Width -
渭s
-
-
1000
t
f
t
r
t
pw
- Pulse Width -
渭s
-
-
Typical Conditions
3V
t pw
Figure 11. V
CC(drop)
Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal
40
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