MSP430F2274-EP_1 Datasheet, PDF (30/77 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
SLAS614C – SEPTEMBER 2008 – REVISED JULY 2010
Typical Characteristics – Calibrated 1-MHz DCO Frequency
1.03
1.03
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1.02
1.01
V_CC = 1.8 V
1.00 ^{VCC = 2.2 V}
0.99
V_CC = 3.6 V
0.98
V_CC = 3.0 V
1.02
1.01
1.00
0.99
0.98
T_A = 125 °C
T_A = 85 °C
T_A = 25 °C
T_A = -40 °C
0.97
−50.0 −25.0 0.0 25.0 50.0 75.0 100.0
T_A − Temperature − °C
Figure 11. Calibrated 1-MHz Frequency vs
Temperature
0.97
1.5
2.0
2.5
3.0
3.5
4.0
V_CC - Suppl y Voltage - V
Figure 12. Calibrated 1-MHz Frequency vs V_CC
Wake-Up From Lower-Power Modes (LPM3/4) – Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
BCSCTL1 =
CALBC1_1MHZ,
DCOCTL =
CALDCO_1MHZ,
T_A
V_CC
MIN TYP MAX UNIT
–55°C to 125°C 2.2 V/3 V
2
t_DCO,LPM3/4
DCO clock wake-up time
from LPM3/4⁽¹⁾
BCSCTL1 =
CALBC1_8MHZ,
DCOCTL =
CALDCO_8MHZ,
BCSCTL1 =
CALBC1_12MHZ,
DCOCTL =
CALDCO_12MHZ,
–55°C to 125°C 2.2 V/3 V
–55°C to 125°C
3V
1.5
ms
1
BCSCTL1 =
CALBC1_16MHZ,
DCOCTL =
–55°C to 125°C
3V
1
CALDCO_16MHZ,
t_CPU,LPM3/4
CPU wake-up time from
LPM3/4 ⁽²⁾
1/f_MCL
K⁺
t_Clock,L
PM3/4
(1) The DCO clock wake-up time is measured from the edge of an external wake-up signal (e.g., 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.
30
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