參數(shù)資料
型號: MSP430F2121IRGE
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, PQCC24
封裝: PLASTIC, QFN-24
文件頁數(shù): 44/95頁
文件大?。?/td> 1832K
代理商: MSP430F2121IRGE
MSP430x23x, MSP430x24x(1), MSP430x2410
MIXED SIGNAL MICROCONTROLLER
SLAS547D -- JUNE 2007 -- REVISED APRIL 2010
49
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
DCO with external resistor ROSC (see Note 1)
PARAMETER
TEST CONDITIONS
VCC
TYP UNIT
f
DCO output frequency with R
DCOR = 1,
RSELx 4 DCOx 3 MODx 0
2.2 V
1.8
MHz
fDCO,ROSC
DCO output frequency with ROSC
RSELx = 4, DCOx =3,MODx =0,
TA =25°C
3V
1.95
MHz
Dt
Temperature drift
DCOR = 1,
RSELx = 4, DCOx = 3, MODx = 0
2.2 V/3 V
±0.1
%/°C
DV
Drift with VCC
DCOR = 1,
RSELx = 4, DCOx = 3, MODx = 0
2.2 V/3 V
10
%/V
NOTE 1. ROSC = 100 k, metal film resistor, type 0257. 0.6 W with 1% tolerance, and TK = ±50 ppm/°C.
typical characteristics -- DCO with external resistor ROSC
0.01
0.10
1.00
10.00
100.00
1000.00
10000.00
ROSC -- External Resistor -- k
DCO
Frequency
--
M
Hz
Figure 19. DCO Frequency vs ROSC,
VCC =2.2 V, TA =25°C
RSELx = 4
0.01
0.10
1.00
10.00
100.00
1000.00
10000.00
ROSC -- External Resistor -- k
DCO
Frequency
--
M
Hz
Figure 20. DCO Frequency vs ROSC,
VCC =3V, TA =25°C
RSELx = 4
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
--50.0 --25.0
0.0
25.0
50.0
75.0
100.0
TA -- Temperature -- °C
DCO
Frequency
--
M
Hz
Figure 21. DCO Frequency vs Temperature,
VCC =3V
ROSC = 100k
ROSC = 270k
ROSC =1M
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.0
2.5
3.0
3.5
4.0
VCC -- Supply Voltage -- V
DCO
Frequency
--
M
Hz
Figure 22. DCO Frequency vs VCC,
TA =25°C
ROSC = 100k
ROSC = 270k
ROSC =1M
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