Texas Instruments MSP430x11x1 User Manual
Page 35
MSP430x11x1
MIXED SIGNAL MICROCONTROLLER
SLAS241C – SEPTEMBER 1999 – REVISED JUNE 2000
35
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
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f(DCO03)
R
l = 0 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
0.08
0.12
0.15
MHz
f(DCO03)
Rsel = 0, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
0.08
0.13
0.16
MHz
f(DCO13)
R
l = 1 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
0.14
0.19
0.23
MHz
f(DCO13)
Rsel = 1, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
0.14
0.18
0.22
MHz
f(DCO23)
R
l = 2 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
0.22
0.30
0.36
MHz
f(DCO23)
Rsel = 2, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
0.22
0.28
0.34
MHz
f(DCO33)
R
l = 3 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
0.37
0.49
0.59
MHz
f(DCO33)
Rsel = 3, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
0.37
0.47
0.56
MHz
f(DCO43)
R
l = 4 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
0.61
0.77
0.93
MHz
f(DCO43)
Rsel = 4, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
0.61
0.75
0.9
MHz
f(DCO53)
R
l = 5 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
1
1.2
1.5
MHz
f(DCO53)
Rsel = 5, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
1
1.3
1.5
MHz
f(DCO63)
R
l = 6 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
1.6
1.9
2.2
MHz
f(DCO63)
Rsel = 6, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
1.69
2
2.29
MHz
f(DCO73)
R
l = 7 DCO = 3 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
2.4
2.9
3.4
MHz
f(DCO73)
Rsel = 7, DCO = 3, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
2.7
3.2
3.65
MHz
f(DCO77)
Rsel = 7 DCO = 7 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2.2 V
4
4.5
4.9
MHz
f(DCO77)
Rsel = 7, DCO = 7, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 3 V
4.4
4.9
5.4
MHz
f(DCO47)
R
l = 4 DCO = 7 MOD = 0 DCOR = 0
TA = 25
°
C
VCC = 2 2 V/3 V
FDCO40 FDCO40 FDCO40
MHz
f(DCO47)
Rsel = 4, DCO = 7, MOD = 0, DCOR = 0, TA = 25
°
C
VCC = 2.2 V/3 V
DCO40
x1.7
DCO40
x2.1
DCO40
x2.5
MHz
S(Rsel)
SR = fRsel+1/fRsel
VCC = 2.2 V/3 V
1.35
1.65
2
ratio
S(DCO)
SDCO = fDCO+1/fDCO
VCC = 2.2 V/3 V
1.07
1.12
1.16
ratio
Dt
Temperature drift, Rsel = 4, DCO = 3, MOD = 0
VCC = 2.2 V
–0.31
–0.36
–0.40
%/
°
C
Dt
sel
(see Note 21)
VCC = 3 V
–0.33
–0.38
–0.43
%/
°
C
DV
Drift with VCC variation, Rsel = 4, DCO = 3, MOD = 0
(see Note 21)
VCC = 2.2 V/3 V
0
5
10
%/V
NOTE 21: These parameters are not production tested.
ООООО
ООООО
ООООО
ООООО
2.2 V
3 V
VCC
Max
Min
Max
Min
f(DCOx7)
f(DCOx0)
Frequency V
ariance
0
1
2
3
4
5
6
7
DCO Steps
1
f DCOCLK
Figure 13. DCO Characteristics