SLAS787B datasheet(26/52 Pages) TI2

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VOL − Low-Level Output Voltage − V

0.0

1.0

2.0

3.0

4.0

5.0

0.0

0.2

0.4

0.6

0.8

1.0

VCC = 2.2 V

TA = 25°C

TA = 85°C

VOL − Low-Level Output Voltage − V

0.0

1.0

2.0

3.0

4.0

5.0

0.0

0.2

0.4

0.6

0.8

1.0

VCC = 3 V

TA = 25°C

TA = 85°C

MSP430G2231-Q1

SLAS787B – NOVEMBER 2011 – REVISED MARCH 2014

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9.21 USI, Universal Serial Interface

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

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

External: SCLK,

fUSI

USI clock frequency

Duty cycle = 50% ±10%,

fSYSTEM

MHz

SPI slave mode

USI module in I2C mode,

VSS

VOL,I2C

Low-level output voltage on SDA and SCL

3 V

VSS

I(OLmax) = 1.5 mA

+ 0.4

9.22 Typical Characteristics – USI Low-Level Output Voltage On SDA and SCL

Figure 15. USI Low-Level Output Voltage vs Output Current

Figure 16. USI Low-Level Output Voltage vs Output Current

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