MSP430F249-EP_014 Datasheet, PDF (36/81 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F249-EP
MIXED SIGNAL MICROCONTROLLER
2008
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
calibrated DCO frequencies − tolerance at calibration
PARAMETER
TEST CONDITIONS
Frequency tolerance at calibration
f_CAL(1MHz) 1-MHz calibration value
BCSCTL1= CALBC1_1MHz,
DCOCTL = CALDCO_1MHz,
Gating time: 5 ms
f_CAL(8MHz) 8-MHz calibration value
BCSCTL1= CALBC1_8MHz,
DCOCTL = CALDCO_8MHz,
Gating time: 5 ms
f_CAL(12MHz) 12-MHz calibration value
BCSCTL1= CALBC1_12MHz,
DCOCTL = CALDCO_12MHz,
Gating time: 5 ms
f_CAL(16MHz) 16-MHz calibration value
BCSCTL1= CALBC1_16MHz,
DCOCTL = CALDCO_16MHz,
Gating time: 2 ms
T_A
25°C
25°C
25°C
25°C
25°C
VCC
3V
3V
MIN TYP MAX UNIT
−1 ±0.2
+1 %
0.990
1 1.010 MHz
3V
7.920
8 8.080 MHz
3V
11.88
12 12.12 MHz
3V
15.84
16 16.16 MHz
calibrated DCO frequencies − tolerance over temperature −55°C to 125°C
PARAMETER
1-MHz tolerance over temperature
8-MHz tolerance over temperature
12-MHz tolerance over temperature
TEST CONDITIONS
T_A
−55°C to 125°C
−55°C to 125°C
−55°C to 125°C
VCC
3V
3V
3V
16-MHz tolerance over temperature
−55°C to 125°C
3V
f_CAL(1MHz) 1-MHz calibration value
BCSCTL1= CALBC1_1MHz,
DCOCTL = CALDCO_1MHz,
Gating time: 5 ms
−55°C to 125°C
2.2 V
3V
3.6 V
f_CAL(8MHz) 8-MHz calibration value
BCSCTL1= CALBC1_8MHz,
DCOCTL = CALDCO_8MHz,
Gating time: 5 ms
−55°C to 125°C
2.2 V
3V
3.6 V
f_CAL(12MHz) 12-MHz calibration value
BCSCTL1= CALBC1_12MHz,
DCOCTL = CALDCO_12MHz,
Gating time: 5 ms
−55°C to 125°C
2.2 V
3V
3.6 V
f_CAL(16MHz) 16-MHz calibration value
BCSCTL1= CALBC1_16MHz,
DCOCTL = CALDCO_16MHz,
Gating time: 2 ms
−55°C to 125°C
3V
3.6 V
MIN
−2.5
−2.5
−2.5
−3.0
0.970
0.975
0.970
7.760
7.800
7.600
11.64
11.64
11.64
15.52
15.00
TYP MAX UNIT
±0.5 +2.5 %
±1.0 +2.5 %
±1.0 +2.5 %
±2.0 +3.0 %
1 1.030
1 1.025 MHz
1 1.030
8 8.400
8 8.200 MHz
8 8.240
12 12.36
12 12.36 MHz
12 12.36
16 16.48
MHz
16 16.48
36
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