MSP430G2X52_1112 Datasheet, PDF (27/62 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2x52
MSP430G2x12
www.ti.com
SLAS722E – DECEMBER 2010 – REVISED DECEMBER 2011
Wake-Up From Lower-Power Modes (LPM3/4)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
t_DCO,LPM3/4
PARAMETER
DCO clock wake-up time from
LPM3/4 ⁽¹⁾
TEST CONDITIONS
V_CC
MIN
TYP
MAX UNIT
BCSCTL1 = CALBC1_1MHZ,
DCOCTL = CALDCO_1MHZ
3V
1.5
µs
t_CPU,LPM3/4
CPU wake-up time from LPM3/4⁽²⁾
1/f_MCLK +
t_Clock,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 LPM3/4
10.00
RSELx = 0...11
1.00
RSELx = 12...15
0.10
0.10
1.00
10.00
DCO Frequency − MHz
Figure 15. DCO Wake-Up Time From LPM3 vs DCO Frequency
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