參數(shù)資料
型號(hào)： MSP430F2274TRHAT
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC40
封裝： GREEN, PLASTIC, QFN-40
文件頁(yè)數(shù)： 33/94頁(yè)
文件大?。?/td> 1583K
代理商： MSP430F2274TRHAT
DCO Frequency MHz
0.10
1.00
10.00
0.10
1.00
10.00
RSELx = 0...11
RSELx = 12...15
DCO
W
ake-Up
T
ime
s
MSP430F22x2
MSP430F22x4
SLAS504E
– JULY 2006 – REVISED MARCH 2011
Wake-Up From Lower-Power Modes (LPM3/4)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
BCSCTL1 = CALBC1_1MHZ,
2
DCOCTL = CALDCO_1MHZ
BCSCTL1 = CALBC1_8MHZ,
2.2 V/3 V
1.5
DCOCTL = CALDCO_8MHZ
DCO clock wake-up time
tDCO,LPM3/4
s
from LPM3/4 (1)
BCSCTL1 = CALBC1_12MHZ,
1
DCOCTL = CALDCO_12MHZ
BCSCTL1 = CALBC1_16MHZ,
3 V
1
DCOCTL = CALDCO_16MHZ
CPU wake-up time from
1 / fMCLK +
tCPU,LPM3/4
LPM3/4 (2)
tClock,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
CLOCK WAKE-UP TIME FROM LPM3
vs
DCO FREQUENCY
Figure 13.
DCO With External Resistor ROSC
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
DCOR = 1,
2.2 V
1.8
fDCO,ROSC
DCO output frequency with ROSC
RSELx = 4, DCOx = 3, MODx = 0,
MHz
3 V
1.95
TA = 25°C
DCOR = 1,
DT
Temperature drift
2.2 V/3 V
±0.1
%/
°C
RSELx = 4, DCOx = 3, MODx = 0
DCOR = 1,
DV
Drift with VCC
2.2 V/3 V
10
%/V
RSELx = 4, DCOx = 3, MODx = 0
(1)
ROSC = 100 kΩ. Metal film resistor, type 0257, 0.6 W with 1% tolerance and TK = ±50 ppm/°C.
Copyright
2006–2011, Texas Instruments Incorporated
39
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