MSP430A005IPWR datasheet(22/47 Pages) TI

22 / 47 page

MSP430x11x2, MSP430x12x2

MIXED SIGNAL MICROCONTROLLER

SLAS361D − JANUARY 2002 − REVISED AUGUST 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (continued)

td(BOR)

VCC

V(B_IT−)

Vhys(B_IT−)

VCC(start)

Set signal for

POR circuitry

Figure 6. POR/Brownout Reset (BOR) vs Supply Voltage

VCC(min)

VCC

3 V

t pw

0.50

1.50

0.001

1000

= 3.0 V

Typical Conditions

1ns

tpw − Pulse Width − µs

Figure 7. VCC(min) Level With a Square Voltage Drop to Generate a POR/Brownout Signal

VCC

0.50

1.50

VCC(min)

t pw

tpw − Pulse Width − µs

3 V

0.001

1000

tfall

trise

tpw − Pulse Width − µs

tfall = trise

= 3.0 V

Typical Conditions

Figure 8. VCC(min) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal

MSP430A005IPWR Datasheet(PDF) 22 Page - Texas Instruments

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