参数资料
型号: MSP430G2231IPW14
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, RISC MICROCONTROLLER, PDSO14
封装: GREEN, PLASTIC, TSSOP-14
文件页数: 17/55页
文件大小: 1139K
代理商: MSP430G2231IPW14
DCO Frequency MHz
0.10
1.00
10.00
0.10
1.00
10.00
DCO
W
ake
T
ime
s
RSELx = 0...11
RSELx = 12...15
MSP430G2x31
MSP430G2x21
SLAS694H
– FEBRUARY 2010 – REVISED AUGUST 2011
Calibrated DCO Frequencies
– Tolerance
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
BCSCTL1= CALBC1_1MHz,
1-MHz tolerance over
DCOCTL = CALDCO_1MHz,
0
°C to 85°C
3 V
-3
±0.5
+3
%
temperature(1)
calibrated at 30
°C and 3 V
BCSCTL1= CALBC1_1MHz,
1-MHz tolerance over VCC
DCOCTL = CALDCO_1MHz,
30
°C
1.8 V to 3.6 V
-3
±2
+3
%
calibrated at 30
°C and 3 V
BCSCTL1= CALBC1_1MHz,
1-MHz tolerance overall
DCOCTL = CALDCO_1MHz,
-40
°C to 85°C
1.8 V to 3.6 V
-6
±3
+6
%
calibrated at 30
°C and 3 V
(1)
This is the frequency change from the measured frequency at 30
°C over temperature.
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
VCC
MIN
TYP
MAX
UNIT
DCO clock wake-up time from
BCSCTL1= CALBC1_1MHz,
tDCO,LPM3/4
3 V
1.5
s
LPM3/4(1)
DCOCTL = CALDCO_1MHz
1/fMCLK +
tCPU,LPM3/4
CPU wake-up time from 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, 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
Figure 13. DCO Wake-Up Time From LPM3 vs DCO Frequency
24
Copyright
2010–2011, Texas Instruments Incorporated
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