MSP430F157IPM datasheet(27/73 Pages) TI

27 / 73 page

MSP430x15x, MSP430x16x, MSP430x161x

MIXED SIGNAL MICROCONTROLLER

SLAS368E − OCTOBER 2002 − REVISED AUGUST 2006

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

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

noted) (continued)

SCHMITT-trigger inputs − Ports P1, P2, P3, P4, P5, P6; RST/NMI; JTAG: TCK, TMS, TDI/TCLK, TDO/TDI

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Positive going input threshold voltage

VCC = 2.2 V

1.1

1.5

VIT+

Positive-going input threshold voltage

VCC = 3 V

1.5

1.98

Negative going input threshold voltage

VCC = 2.2 V

0.4

0.9

VIT−

Negative-going input threshold voltage

VCC = 3 V

0.9

1.3

Input voltage hysteresis (V

)

VCC = 2.2 V

0.3

1.1

Vhys

Input voltage hysteresis (VIT+ − VIT−)

VCC = 3 V

0.5

inputs Px.x, TAx, TBx

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

External interrupt timing

Port P1, P2: P1.x to P2.x, external trigger signal

2.2 V

t(int)

External interrupt timing

Port P1, P2: P1.x to P2.x, external trigger signal

for the interrupt flag, (see Note 1)

3 V

Timer A Timer B capture

TA0, TA1, TA2

2.2 V

t(cap)

Timer_A, Timer_B capture

timing

TB0, TB1, TB2, TB3, TB4, TB5, TB6

(see Note 2)

3 V

f(TAext)

Timer_A, Timer_B clock

frequency externally applied

TACLK TBCLK INCLK: t

2.2 V

MHz

f(TBext)

frequency externally applied

to pin

TACLK, TBCLK, INCLK: t(H) = t(L)

3 V

MHz

f(TAint)

Timer_A, Timer_B clock

SMCLK or ACLK signal selected

2.2 V

MHz

f(TBint)

Timer_A, Timer_B clock

frequency

SMCLK or ACLK signal selected

3 V

MHz

NOTES:

1. The external signal sets the interrupt flag every time the minimum t(int) parameters are met. It may be set even with trigger signals

shorter than t(int).

2. Seven capture/compare registers in ’x16x/161x and three capture/compare registers in ’x15x.

leakage current − Ports P1, P2, P3, P4, P5 and P6 (see Note 1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Ilkg(Px.y)

Leakage

current

Port Px

V(Px.y) (see Note 2)

VCC = 2.2 V/3 V

±50

NOTES:

1. The leakage current is measured with VSS or VCC applied to the corresponding pin(s), unless otherwise noted.

2. The port pin must be selected as input.

MSP430F157IPM Datasheet(PDF) 27 Page - Texas Instruments

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