MSP430F5259IRGCT datasheet(28/112 Pages) TI1

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MSP430F5259, MSP430F5258, MSP430F5257, MSP430F5256

MSP430F5255, MSP430F5254, MSP430F5253, MSP430F5252

SLAS903B – MAY 2013 – REVISED NOVEMBER 2015

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Crystal Oscillator, XT2 (continued)

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

(1) (2)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

XT2BYPASS = 1(8),

fFault,HF

Oscillator fault frequency(7)

300

kHz

XT2BYPASSLV = 0 or 1

(7)

Frequencies below the MIN specification set the fault flag. Frequencies above the MAX specification do not set the fault flag.

Frequencies in between might set the flag.

(8)

Measured with logic-level input frequency but also applies to operation with crystals. Typically, an effective load capacitance of up to 18

pF can be supported.

5.23 Internal Very-Low-Power Low-Frequency Oscillator (VLO)

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

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

fVLO

VLO frequency

Measured at ACLK

1.8 V to 3.6 V

9.4

kHz

dfVLO/dT

VLO frequency temperature drift

Measured at ACLK(1)

1.8 V to 3.6 V

0.5

%/°C

dfVLO/dVCC VLO frequency supply voltage drift

Measured at ACLK(2)

1.8 V to 3.6 V

%/V

Duty cycle

Measured at ACLK

1.8 V to 3.6 V

40%

50%

60%

(1)

Calculated using the box method: (MAX(–40°C to 85°C) – MIN(–40°C to 85°C)) / MIN(–40°C to 85°C) / (85°C – (–40°C))

(2)

Calculated using the box method: (MAX(1.8 V to 3.6 V) – MIN(1.8 V to 3.6 V)) / MIN(1.8 V to 3.6 V) / (3.6 V – 1.8 V)

5.24 Internal Reference, Low-Frequency Oscillator (REFO)

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

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

IREFO

REFO oscillator current consumption

TA = 25°C

1.8 V to 3.6 V

µA

REFO frequency calibrated

Measured at ACLK

1.8 V to 3.6 V

32768

fREFO

Full temperature range

1.8 V to 3.6 V

–3.5%

3.5%

REFO absolute tolerance calibrated

TA = 25°C

3 V

–1.5%

1.5%

dfREFO/dT

REFO frequency temperature drift

Measured at ACLK(1)

1.8 V to 3.6 V

0.01

%/°C

dfREFO/dVCC

REFO frequency supply voltage drift

Measured at ACLK(2)

1.8 V to 3.6 V

1.0

%/V

Duty cycle

Measured at ACLK

1.8 V to 3.6 V

40%

50%

60%

tSTART

REFO start-up time

40%/60% duty cycle

1.8 V to 3.6 V

µs

(1)

Calculated using the box method: (MAX(–40°C to 85°C) – MIN(–40°C to 85°C)) / MIN(–40°C to 85°C) / (85°C – (–40°C))

(2)

Calculated using the box method: (MAX(1.8 V to 3.6 V) – MIN(1.8 V to 3.6 V)) / MIN(1.8 V to 3.6 V) / (3.6 V – 1.8 V)

Specifications

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MSP430F5253 MSP430F5252

MSP430F5259IRGCT Datasheet(PDF) 28 Page - Texas Instruments

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