MSP430G2955
MSP430G2855
MSP430G2755
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SLAS800 –MARCH 2013
Wake-Up From Lower-Power Modes (LPM3, LPM4)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX UNIT
DCO clock wake-up time from LPM3 BCSCTL1 = CALBC1_1MHZ,
tDCO,LPM3/4
tCPU,LPM3/4
3 V
1.5
µs
or LPM4(1)
DCOCTL = CALDCO_1MHZ
CPU wake-up time from LPM3 or
LPM4(2)
1/fMCLK +
tClock,LPM3/4
(1) The DCO clock wake-up time is measured from the edge of an external wake-up signal (for example, a 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 or LPM4
10.00
RSELx = 0...11
RSELx = 12...15
1.00
0.10
0.10
1.00
DCO Frequency − MHz
Figure 15. DCO Wake-Up Time From LPM3 vs DCO Frequency
10.00
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