MSP430F1122 Datasheet, PDF (22/48 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361C − JANUARY 2002 − REVISED DECEMBER 2003
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
VCC
Vhys(B_IT−)
V(B_IT−)
VCC(start)
1
Set signal for
POR circuitry
0
td(BOR)
Figure 6. POR/Brownout Reset (BOR) vs Supply Voltage
2
Vcc = 3.0 V
Typical Conditions
1.50
VCC
t _pw
3V
1
VCC(min)
0.50
0
0.001
1
tpw − Pulse Width − µs
1000
1ns
1ns
tpw − Pulse Width − µs
Figure 7. V_CC(min) Level With a Square Voltage Drop to Generate a POR/Brownout Signal
VCC
t _pw
2
3V
Vcc = 3.0 V
1.50 ^{Typical Conditions}
1
VCC(min)
0.50
0
0.001
1
1000
tfall = trise
tfall
trise
tpw − Pulse Width − µs
tpw − Pulse Width − µs
Figure 8. V_CC(min) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal
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