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参数资料
型号： MSP430F157IRTDR
厂商： TEXAS INSTRUMENTS INC
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQCC64
封装： GREEN, PLASTIC, QFN-64
文件页数： 31/77页
文件大小： 1351K
代理商： MSP430F157IRTDR
MSP430F15x, MSP430F16x, MSP430F161x
MIXED SIGNAL MICROCONTROLLER
SLAS368G OCTOBER 2002 REVISED MARCH 2011
37
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
DCO (see Note 1)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
f
R
0 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
0.08
0.12
0.15
MHz
f(DCO03)
Rsel = 0, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
0.08
0.13
0.16
MHz
f
R
1 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
0.14
0.19
0.23
MHz
f(DCO13)
Rsel = 1, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
0.14
0.18
0.22
MHz
f
R
2 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
0.22
0.30
0.36
MHz
f(DCO23)
Rsel = 2, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
0.22
0.28
0.34
MHz
f
R
3 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
0.37
0.49
0.59
MHz
f(DCO33)
Rsel = 3, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
0.37
0.47
0.56
MHz
f
R
4 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
0.61
0.77
0.93
MHz
f(DCO43)
Rsel = 4, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
0.61
0.75
0.90
MHz
f
R
5 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
1
1.2
1.5
MHz
f(DCO53)
Rsel = 5, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
1
1.3
1.5
MHz
f
R
6 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
1.6
1.9
2.2
MHz
f(DCO63)
Rsel = 6, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
1.69
2.0
2.29
MHz
f
R
7 DCO
3 MOD
0 DCOR
0 T
25
°C
2.2 V
2.4
2.9
3.4
MHz
f(DCO73)
Rsel = 7, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C
3 V
2.7
3.2
3.65
MHz
f(DCO47)
Rsel = 4, DCO = 7, MOD = 0, DCOR = 0, TA = 25°C
2.2 V/3 V
fDCO40
× 1.7
fDCO40
× 2.1
fDCO40
× 2.5
MHz
f
R
7 DCO
7 MOD
0 DCOR
0 T
25
°C
2.2 V
4
4.5
4.9
MHz
f(DCO77)
Rsel = 7, DCO = 7, MOD = 0, DCOR = 0, TA = 25°C
3 V
4.4
4.9
5.4
MHz
SRsel
SR = fRsel+1 / fRsel
2.2 V/3 V
1.35
1.65
2
SDCO
SDCO = f(DCO+1) / f(DCO)
2.2 V/3 V
1.07
1.12
1.16
D
Temperature drift R
4 DCO
3 MOD
0 (see Note 2)
2.2 V
0.31
0.36
0.40
%/
°C
Dt
Temperature drift, Rsel = 4, DCO = 3, MOD = 0 (see Note 2)
3 V
0.33
0.38
0.43
%/
°C
DV
Drift with VCC variation, Rsel = 4, DCO = 3, MOD = 0
(see Note 2)
2.2 V/3 V
0
5
10
%/V
NOTES:
1. The DCO frequency may not exceed the maximum system frequency defined by parameter processor frequency, f(System).
2. This parameter is not production tested.
2.2
3
f DCO_0
Max
Min
Max
Min
f DCO_7
DCO
0
1
2
3
4
5
6
7
f DCOCLK
1
VCC V
Frequency
V
ariance
Figure 15. DCO Characteristics
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