MSP430F249-EP_014 Datasheet, PDF (37/81 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 over supply voltage V_CC
PARAMETER
1-MHz tolerance over V_CC
8-MHz tolerance over V_CC
12-MHz tolerance over V_CC
16-MHz tolerance over V_CC
f_CAL(1MHz)
1-MHz calibration
value
TEST CONDITIONS
BCSCTL1= CALBC1_1MHz,
DCOCTL = CALDCO_1MHz,
Gating time: 5 ms
T_A
25°C
25°C
25°C
25°C
25°C
f_CAL(8MHz)
8-MHz calibration
value
BCSCTL1= CALBC1_8MHz,
DCOCTL = CALDCO_8MHz,
Gating time: 5 ms
25°C
f_CAL(12MHz)
12-MHz calibration
value
BCSCTL1= CALBC1_12MHz,
DCOCTL = CALDCO_12MHz,
Gating time: 5 ms
25°C
f_CAL(16MHz)
16-MHz calibration
value
BCSCTL1= CALBC1_16MHz,
DCOCTL = CALDCO_16MHz,
Gating time: 2 ms
25°C
VCC
1.8 V to 3.6 V
1.8 V to 3.6 V
2.2 V to 3.6 V
3 V to 3.6 V
MIN
−3
−3
−3
−6
TYP
±2
±2
±2
±2
MAX
+3
+3
+3
+3
UNIT
%
%
%
%
1.8 V to 3.6 V 0.970
1 1.030 MHz
1.8 V to 3.6 V 7.760
8 8.240 MHz
2.2 V to 3.6 V 11.64
12 12.36 MHz
3 V to 3.6 V 15.00
16 16.48 MHz
calibrated DCO frequencies − overall tolerance
PARAMETER
TEST CONDITIONS
1-MHz tolerance overall
8-MHz tolerance overall
12-MHz tolerance overall
16-MHz tolerance overall
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
VCC
−55_C to 125°C 1.8 V to 3.6 V
−55_C to 125°C 1.8 V to 3.6 V
−55_C to 125°C 2.2 V to 3.6 V
−55_C to 125°C 3 V to 3.6 V
MIN
−5
−5
−5
−6
TYP
±2
±2
±2
±3
MAX
5
5
5
6
UNIT
%
%
%
%
−55_C to 125°C 1.8 V to 3.6 V 0.950
1 1.05 MHz
−55_C to 125°C 1.8 V to 3.6 V 7.6
8 8.4 MHz
−55_C to 125°C 2.2 V to 3.6 V 11.40
12 12.6 MHz
−55_C to 125°C 3 V to 3.6 V
15
16
17 MHz
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