參數資料
型號: MSP430F2121TDW
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PDSO20
封裝: GREEN, PLASTIC, SOIC-20
文件頁數: 18/57頁
文件大?。?/td> 1276K
代理商: MSP430F2121TDW
MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439D -- SEPTEMBER 2004 -- REVISED SEPTEMBER 2010
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
wake-up from lower power modes (LPM3/4)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX UNIT
BCSCTL1 = CALBC1_1MHZ,
DCOCTL = CALDCO_1MHZ
2.2 V/3 V
t
DCO clock wake--up time from
LPM3/4
BCSCTL1 = CALBC1_8MHZ,
DCOCTL = CALDCO_8MHZ
2.2 V/3 V
1.5
s
tDCO,LPM3/4
LPM3/4
(see Note 1)
BCSCTL1 = CALBC1_12MHZ,
DCOCTL = CALDCO_12MHZ
2.2 V/3 V
1
s
BCSCTL1 = CALBC1_16MHZ,
DCOCTL = CALDCO_16MHZ
3V
1
tCPU,LPM3/4
CPUwake--uptimefromLPM3/4
(see Note 2)
1/fMCLK +
tClock,LPM3/4
NOTES: 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
DCO Frequency -- MHz
0.10
1.00
10.00
0.10
1.00
10.00
DCO
W
ake
Ti
me
--
us
Figure 13. DCO wake--up time from LPM3 vs DCO frequency
RSELx = 0...11
RSELx = 12...15
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