MSP430F2012IPW datasheet(34/80 Pages) TI

34 / 80 page

MSP430x20x1, MSP430x20x2, MSP430x20x3

MIXED SIGNAL MICROCONTROLLER

SLAS491A − AUGUST 2005 − REVISED OCTOBER 2005

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (continued)

Timer_A

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

fTA

Timer_A clock frequency

Internal: SMCLK, ACLK;

External: TACLK, INCLK;

2.2 V

MHz

fTA

Timer_A clock frequency

External: TACLK, INCLK;

Duty Cycle = 50%

±10%

3 V

MHz

tTA,cap

Timer_A, capture timing

TA0, TA1

2.2 V/3 V

USI, Universal Serial Interface (MSP430x20x2, MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

fUSI

USI clock frequency

External: SCLK;

Duty Cycle = 50%

±10%;

2.2 V

MHz

fUSI

USI clock frequency

Duty Cycle = 50%

±10%;

SPI Slave Mode

3 V

MHz

VOL,I2C

Low-level output voltage on SDA

and SCL

USI module in I2C mode

I(OLmax) = 1.5 mA

2.2 V/3 V

VSS

VSS+0.4

typical characteristics − USI low-level output voltage on SDA and SCL (MSP430x20x2, MSP430x20x3 only)

Figure 14. USI Low-Level Output Voltage vs.

Output Current

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

Figure 15. USI Low-Level Output Voltage vs.

Output Current

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

MSP430F2012IPW Datasheet(PDF) 34 Page - Texas Instruments

MSP430F2012IPW Datasheet(HTML) 34 Page - Texas Instruments

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