MSP430FE42X2 Datasheet, PDF (23/48 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FE42x2
MIXED SIGNAL MICROCONTROLLER
SLAS616 − JULY 2008
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
V_CC
V_{hys(B_IT−)}
V(B_IT−)
V_CC(start)
1
0
t_d(BOR)
Figure 6. POR/Brownout Reset (BOR) vs Supply Voltage
2
Vcc = 3 V
Typical Conditions
1.5
V_CC
t_pw
3V
1
V_CC(drop)
0.5
0
0.001
1
t_pw − Pulse Width − µs
1000
1 ns
1 ns
t_pw − Pulse Width − µs
Figure 7. V_CC(drop) Level With a Square Voltage Drop to Generate a POR/Brownout Signal
2
Vcc = 3 V
1.5 ^{Typical Conditions}
V_CC
t_pw
3V
1
V_CC(drop)
0.5
0
0.001
1
t_pw − Pulse Width − µs
1000
t_f = t_r
t_f
t_r
t_pw − Pulse Width − µs
Figure 8. V_CC(drop) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal
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