MSP430F23X0 Datasheet, PDF (30/64 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F23x0
MIXED SIGNAL MICROCONTROLLER
SLAS518A -- AUGUST 2006 -- REVISED MAY 2007
,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
2
t_DCO,LPM3/4
DCO clock wake--up time from
LPM3/4
(see Note 1)
BCSCTL1= CALBC1_8MHZ;
DCOCTL = CALDCO_8MHZ
BCSCTL1= CALBC1_12MHZ;
DCOCTL = CALDCO_12MHZ
2.2 V/3 V
2.2 V/3 V
1.5
μs
1
BCSCTL1= CALBC1_16MHZ;
DCOCTL = CALDCO_16MHZ
3V
1
t_CPU,LPM3/4
CPU wake--up time from LPM3/4
(see Note 2)
1/f_MCLK +
t_Clock,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
10.00
RSELx = 0...11
1.00
RSELx = 12...15
0.10
0.10
1.00
10.00
DCO Frequency -- MHz
Figure 12. Clock wake--up time from LPM3 vs DCO frequency
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