MSP430F67751AIPEU datasheet(49/176 Pages) TI1

49 / 176 page

MSP430F67791A

, MSP430F67781A, MSP430F67771A, MSP430F67761A, MSP430F67751A

MSP430F67691A

, MSP430F67681A, MSP430F67671A, MSP430F67661A, MSP430F67651A

MSP430F67491A, MSP430F67481A, MSP430F67471A, MSP430F67461A, MSP430F67451A

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SLAS983 – MAY 2014

5.8.6

RTC Tamper Detect Pin

Table 5-33. Schmitt-Trigger Inputs, RTC Tamper Detect Pin

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

AUXVCC3

MIN

TYP

MAX

UNIT

1.8 V

0.80

1.40

VIT+

Positive-going input threshold voltage

3 V

1.50

2.10

1.8 V

0.45

1.00

VIT–

Negative-going input threshold voltage

3 V

0.75

1.65

1.8 V

0.3

0.85

Vhys

Input voltage hysteresis (VIT+ – VIT–)

3 V

0.4

1.0

For pullup: VIN = VSS

RPull

Pullup or pulldown resistor

For pulldown: VIN =

Ω

AUXVCC3

Input capacitance

VIN = VSS or AUXVCC3

Table 5-34. Inputs, RTC Tamper Detect Pin(1)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

AUXVCC3

MIN

MAX

UNIT

Port P1, P2: P1.x to P2.x, External trigger pulse duration

t(int)

External interrupt timing(2)

2.2 V, 3 V

to set interrupt flag

(1)

Some devices may contain additional ports with interrupts. See the block diagram and terminal function descriptions.

(2)

An external signal sets the interrupt flag every time the minimum interrupt pulse duration t(int) is met. It may be set by trigger signals

shorter than t(int).

Table 5-35. Leakage Current, RTC Tamper Detect Pin

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

AUXVCC3

MIN

MAX

UNIT

Ilkg(Px.y)

High-impedance leakage current

See (1) (2)

1.8 V, 3 V

-50

+50

(1)

The leakage current is measured with VSS or VCC applied to the corresponding pins, unless otherwise noted.

(2)

The leakage of the digital port pins is measured individually. The port pin is selected for input and the pullup or pulldown resistor is

disabled.

Table 5-36. Outputs, RTC Tamper Detect Pin

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

AUXVCC3

MIN

MAX

UNIT

I(OHmax) = –100 µA

(1)

1.50

1.80

1.8 V

I(OHmax) = –200 µA

(1)

1.20

1.80

VOH

High-level output voltage

I(OHmax) = –100 µA

(1)

2.70

3.00

3 V

I(OHmax) = –200 µA

(1)

2.40

3.00

I(OLmax) = 100 µA

(2)

0.00

0.25

1.8 V

I(OLmax) = 200 µA

(2)

0.00

0.60

VOL

Low-level output voltage

I(OLmax) = 100 µA

(2)

0.00

0.25

3 V

I(OLmax) = 200 µA

(2)

0.00

0.60

(1)

The maximum total current, I(OHmax), for all outputs combined should not exceed ±20 mA to hold the maximum voltage drop specified.

See Section 5.3 for more details.

(2)

The maximum total current, I(OHmax), for all outputs combined should not exceed ±20 mA to hold the maximum voltage drop specified.

See Section 5.3 for more details.

Specifications

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Product Folder Links: MSP430F67791A MSP430F67781A MSP430F67771A MSP430F67761A MSP430F67751A

MSP430F67691A MSP430F67681A MSP430F67671A MSP430F67661A MSP430F67651A MSP430F67491A

MSP430F67481A MSP430F67471A MSP430F67461A MSP430F67451A

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