Datasheet
MSP430F21x1
www.ti.com
SLAS439F –SEPTEMBER 2004– REVISED AUGUST 2011
Calibrated DCO Frequencies - Tolerance at Calibration
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS T
A
V
CC
MIN TYP MAX UNIT
Frequency tolerance at calibration 25°C 3 V -1 ±0.2 +1 %
BCSCTL1 = CALBC1_1MHZ,
f
CAL(1MHz)
1-MHz calibration value DCOCTL = CALDCO_1MHZ, 25°C 3 V 0.990 1 1.010 MHz
Gating time: 5 ms
BCSCTL1 = CALBC1_8MHZ,
f
CAL(8MHz)
8-MHz calibration value DCOCTL = CALDCO_8MHZ, 25°C 3 V 7.920 8 8.080 MHz
Gating time: 5 ms
BCSCTL1 = CALBC1_12MHZ,
f
CAL(12MHz)
12-MHz calibration value DCOCTL = CALDCO_12MHZ, 25°C 3 V 11.88 12 12.12 MHz
Gating time: 5 ms
BCSCTL1 = CALBC1_16MHZ,
f
CAL(16MHz)
16-MHz calibration value DCOCTL = CALDCO_16MHZ, 25°C 3 V 15.84 16 16.16 MHz
Gating time: 2 ms
Calibrated DCO Frequencies - Tolerance Over Temperature 0°C to 85°C
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS T
A
V
CC
MIN TYP MAX UNIT
1-MHz tolerance over
0°C to 85°C 3 V -2.5 ±0.5 +2.5 %
temperature
8-MHz tolerance over
0°C to 85°C 3 V -2.5 ±1 +2.5 %
temperature
12-MHz tolerance over
0°C to 85°C 3 V -2.5 ±1 +2.5 %
temperature
16-MHz tolerance over
0°C to 85°C 3 V -3 ±2 +3 %
temperature
2.2 V 0.97 1 1.03
BCSCTL1 = CALBC1_1MHZ,
f
CAL(1MHz)
1-MHz calibration value DCOCTL = CALDCO_1MHZ, 0°C to 85°C 3 V 0.975 1 1.025 MHz
Gating time: 5 ms
3.6 V 0.97 1 1.03
2.2 V 7.76 8 8.4
BCSCTL1 = CALBC1_8MHZ,
f
CAL(8MHz)
8-MHz calibration value DCOCTL = CALDCO_8MHZ, 0°C to 85°C 3 V 7.8 8 8.2 MHz
Gating time: 5 ms
3.6 V 7.6 8 8.24
2.2 V 11.7 12 12.3
BCSCTL1 = CALBC1_12MHZ,
f
CAL(12MHz)
12-MHz calibration value DCOCTL = CALDCO_12MHZ, 0°C to 85°C 3 V 11.7 12 12.3 MHz
Gating time: 5 ms
3.6 V 11.7 12 12.3
BCSCTL1 = CALBC1_16MHZ, 3 V 15.52 16 16.48
f
CAL(16MHz)
16-MHz calibration value DCOCTL = CALDCO_16MHZ, 0°C to 85°C MHz
3.6 V 15 16 16.48
Gating time: 2 ms
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