MSP43020X3 Datasheet, PDF (28/92 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F20x3
MSP430F20x2
MSP430F20x1
SLAS491H – AUGUST 2005 – REVISED AUGUST 2011
Typical Characteristics - POR/Brownout Reset (BOR)
2
V_CC = 3 V
Typical Conditions
1.5
VCC
t _pw
3V
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1
VCC(drop)
0.5
0
0.001
1
t_pw − Pulse Width − µs
1000
1 ns
1 ns
t_pw − Pulse Width − µs
Figure 9. V_CC(drop) Level With a Square Voltage Drop to Generate a POR/Brownout Signal
2
V_CC = 3 V
1.5 Typical Conditions
VCC
t _pw
3V
1
0.5
0
0.001
VCC(drop)
t_f = t_r
1
t_pw − Pulse Width − µs
1000
t_f
t_r
t_pw − Pulse Width − µs
Figure 10. V_CC(drop) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal
28
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