MSP430F2012IPW datasheet(32/80 Pages) TI

32 / 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)

wake-up from lower power modes (LPM3/4)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

BCSCTL1= CALBC1_1MHz;

DCOCTL = CALDCO_1MHz

2.2 V/3 V

tDCO,LPM3/4

DCO clock wake-up time from

LPM3/4

BCSCTL1= CALBC1_8MHz;

DCOCTL = CALDCO_8MHz

2.2 V/3 V

1.5

tDCO,LPM3/4 LPM3/4

(see Note 1)

BCSCTL1= CALBC1_12MHz;

DCOCTL = CALDCO_12MHz

2.2 V/3 V

µs

BCSCTL1= CALBC1_16MHz;

DCOCTL = CALDCO_16MHz

3 V

tCPU,LPM3/4

CPU wake-up time from LPM3/4

(see Note 2)

1/fMCLK +

tClock,LPM3/4

NOTES:

1. The DCO clock wake-up time is measured from the edge of an external wake-up signal (e.g. port interrupt) to the first clock edge

observable externally on a clock pin (MCLK or SMCLK).

2. Parameter applicable only if DCOCLK is used for MCLK.

typical characteristics − DCO clock wake-up time from LPM3/4

DCO Frequency − MHz

0.10

1.00

10.00

0.10

1.00

10.00

Figure 13. Clock wake-up time from LPM3 vs DCO frequency

RSELx = 0...11

RSELx = 12...15

MSP430F2012IPW Datasheet(PDF) 32 Page - Texas Instruments

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