參數(shù)資料
型號(hào): MSP430P315S
廠商: Texas Instruments, Inc.
英文描述: MIXED SIGNAL MICROCONTROLLERS
中文描述: 混合信號(hào)微處理器
文件頁數(shù): 36/70頁
文件大小: 1176K
代理商: MSP430P315S
SLAS368D
OCTOBER 2002
REVISED MARCH 2005
36
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
MIN
0.08
NOM
0.12
MAX
0.15
UNIT
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V
V
CC
= 3 V
f
(DCO03)
R
sel
= 0, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
0.08
0.13
0.16
MHz
0.14
0.19
0.23
f
(DCO13)
R
sel
= 1, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
0.14
0.18
0.22
MHz
0.22
0.30
0.36
f
(DCO23)
R
sel
= 2, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
0.22
0.28
0.34
MHz
0.37
0.49
0.59
f
(DCO33)
R
sel
= 3, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
0.37
0.47
0.56
MHz
0.61
0.77
0.93
f
(DCO43)
R
sel
= 4, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
0.61
0.75
0.90
MHz
1
1.2
1.5
f
(DCO53)
R
sel
= 5, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
1
1.3
1.5
MHz
1.6
1.9
2.2
f
(DCO63)
R
sel
= 6, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
1.69
2.0
2.29
MHz
2.4
2.9
3.4
f
(DCO73)
R
sel
= 7, DCO = 3, MOD = 0, DCOR = 0, T
A
= 25
°
C
2.7
3.2
3.65
MHz
f
(DCO47)
R
sel
= 4, DCO = 7, MOD = 0, DCOR = 0, T
A
= 25
°
C
V
CC
= 2.2 V/3 V
f
DCO40
×
1.7
f
DCO40
×
2.1
f
DCO40
×
2.5
MHz
V
CC
= 2.2 V
V
CC
= 3 V
V
CC
= 2.2 V/3 V
V
CC
= 2.2 V/3 V
V
CC
= 2.2 V
V
CC
= 3 V
4
4.5
4.9
f
(DCO77)
R
sel
= 7, DCO = 7, MOD = 0, DCOR = 0, T
A
= 25
°
C
4.4
4.9
5.4
MHz
S
Rsel
S
DCO
S
R
= f
Rsel+1
/ f
Rsel
S
DCO
= f
(DCO+1)
/ f
(DCO)
1.35
1.65
2
1.07
1.12
1.16
Temperature drift, R
sel
= 4, DCO = 3, MOD = 0
(see Note 2)
0.31
0.36
0.40
D
t
0.33
0.38
0.43
%/
°
C
D
V
Drift with V
CC
variation, R
sel
= 4, DCO = 3, MOD = 0
(see Note 2)
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.
V
CC
= 2.2 V/3 V
0
5
10
%/V
NOTES:
2.2
3
fDCO_0
Max
Min
Max
Min
fDCO_7
DCO
0
1
2
3
4
5
6
7
fDCOCLK
1
V
CC
V
F
Figure 15. DCO Characteristics
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