MSP430F449IPZ datasheet(42/79 Pages) TI

42 / 79 page

MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x

MIXED SIGNAL MICROCONTROLLER

SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

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

noted) (continued)

wake-up LPM3

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

f = 1 MHz

td(LPM3)

Delay time

f = 2 MHz

2.2 V/3 V

µs

td(LPM3)

Delay time

f = 3 MHz

2.2 V/3 V

µs

RAM

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VRAMh

CPU halted (see Note 1)

1.6

NOTE 1: This parameter defines the minimum supply voltage when the data in program memory RAM remain unchanged. No program execution

should take place during this supply voltage condition.

LCD

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

V(33)

Voltage at P5.7/R33

2.5

VCC + 0.2

V(23)

Analog voltage

Voltage at P5.6/R23

[V(33)−V(03)] × 2/3 + V(03)

V(13)

Analog voltage

Voltage at P5.5/R13

VCC = 3 V

[V(33)−V(03)] × 1/3 + V(03)

V(33) − V(03)

Voltage at R33 to R03

2.5

VCC + 0.2

I(R03)

R03 = VSS

No load at all

±20

I(R13)

Input leakage

P5.5/R13 = VCC/3

segment and

common lines

±20

I(R23)

P5.6/R23 = 2

× VCC/3

common lines,

VCC = 3 V

±20

V(Sxx0)

V(03)

V(03) − 0.1

V(Sxx1)

Segment line

µA

=3V

V(13)

V(13) − 0.1

V(Sxx2)

Segment line

voltage

I(Sxx) = −3 µA,

VCC = 3 V

V(23)

V(23) − 0.1

V(Sxx3)

V(33)

V(33) + 0.1

MSP430F449IPZ Datasheet(PDF) 42 Page - Texas Instruments

MSP430F449IPZ Datasheet(HTML) 42 Page - Texas Instruments

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