MSP430x11x

MIXED SIGNAL MICROCONTROLLERS

SLAS196D− DECEMBER 1998 − REVISED SEPTEMBER 2004

16

POST OFFICE BOX 655303

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

temperature (unless otherwise noted) (continued)

PUC/POR

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

t(POR_Delay)

150

250

µs

TA = −40°C

1.5

2.4

V

VPOR

POR

TA = 25°C

VCC = 3 V/5 V

1.2

2.1

V

VPOR

POR

TA = 85°C

VCC = 3 V/5 V

0.9

1.8

V

V(min)

0

0.4

V

t(reset)

PUC/POR

Reset is accepted internally

2

µs

VCC

POR

V

t

V

POR

V

(min)

POR

No POR

Figure 3. Power-On Reset (POR) vs Supply Voltage

1.8

2.1

2.4

0.9

1.2

1.5

0

0.5

1

1.5

2

2.5

3

−40

−20

0

20

40

60

80

Temperature [

°C]

25

°C