MSP430F449IPZ datasheet(46/79 Pages) TI

46 / 79 page

MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x

MIXED SIGNAL MICROCONTROLLER

SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

typical characteristics (Continued)

VCC

0.5

1.5

VCC(drop)

t pw

tpw − Pulse Width − µs

3 V

0.001

1000

tpw − Pulse Width − µs

tf = tr

Typical Conditions

VCC = 3 V

Figure 12. VCC(drop) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal

electrical characteristics over recommended operating free-air temperature (unless otherwise

noted) (continued)

supply voltage supervisor/monitor (SVS)

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

dVCC/dt > 30 V/ms (see Figure 13)

150

µs

t(SVSR)

dVCC/dt ≤ 30 V/ms

2000

µs

td(SVSon)

SVSon, switch from VLD=0 to VLD

≠ 0, VCC = 3 V

150

µs

tsettle

VLD

≠ 0‡

µs

V(SVSstart)

VLD

≠ 0, VCC/dt ≤ 3 V/s (see Figure 13)

1.55

1.7

VLD = 1

120

155

Vhys(SVS_IT−)

VCC/dt ≤ 3 V/s (see Figure 13)

VLD = 2 to 14

V(SVS_IT−)

× 0.004

V(SVS_IT−)

× 0.008

Vhys(SVS_IT−)

VCC/dt ≤ 3 V/s (see Figure 13),

external voltage applied on A7

VLD = 15

4.4

10.4

VLD = 1

1.8

1.9

2.05

VLD = 2

1.94

2.1

2.25

VLD = 3

2.05

2.2

2.37

VLD = 4

2.14

2.3

2.48

VLD = 5

2.24

2.4

2.6

VLD = 6

2.33

2.5

2.71

/dt

≤ 3 V/s (see Figure 13)

VLD = 7

2.46

2.65

2.86

V(SVS IT )

VCC/dt ≤ 3 V/s (see Figure 13)

VLD = 8

2.58

2.8

V(SVS_IT−)

VLD = 9

2.69

2.9

3.13

VLD = 10

2.83

3.05

3.29

VLD = 11

2.94

3.2

3.42

VLD = 12

3.11

3.35

3.61†

VLD = 13

3.24

3.5

3.76†

VLD = 14

3.43

3.7†

3.99†

VCC/dt ≤ 3 V/s (see Figure 13),

external voltage applied on A7

VLD = 15

1.1

1.2

1.3

ICC(SVS)

(see Note 3)

VLD

≠ 0, VCC = 2.2 V/3 V

µA

† The recommended operating voltage range is limited to 3.6 V.

‡ tsettle is the settling time that the comparator o/p needs to have a stable level after VLD is switched VLD ≠ 0 to a different VLD value somewhere

between 2 and 15. The overdrive is assumed to be > 50 mV.

NOTE 3: The current consumption of the SVS module is not included in the ICC current consumption data.

MSP430F449IPZ Datasheet(PDF) 46 Page - Texas Instruments

MSP430F449IPZ Datasheet(HTML) 46 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79

Datasheet Download

Link URL