MSP430X47X3_07 Datasheet, PDF (34/76 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x47x3, MSP430x47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545A − MAY 2007 − REVISED DECEMBER 2007
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
DCO
PARAMETER
TEST CONDITIONS
f_(DCOCLK)
N_(DCO)=01Eh, FN_8=FN_4=FN_3=FN_2=0, D = 2; DCOPLUS= 0
f_(DCO=2)
FN_8=FN_4=FN_3=FN_2=0; DCOPLUS = 1
f_(DCO=27)
f_(DCO=2)
FN_8=FN_4=FN_3=FN_2=0; DCOPLUS = 1
FN_8=FN_4=FN_3=0, FN_2=1; DCOPLUS = 1
f_(DCO=27)
FN_8=FN_4=FN_3=0, FN_2=1; DOPLUS = 1
f_(DCO=2)
FN_8=FN_4=0, FN_3= 1, FN_2=x; DCOPLUS = 1
f_(DCO=27)
FN_8=FN_4=0, FN_3= 1, FN_2=x; DCOPLUS = 1
f_(DCO=2)
FN_8=0, FN_4= 1, FN_3= FN_2=x; DCOPLUS = 1
f_(DCO=27)
FN_8=0, FN_4=1, FN_3= FN_2=x; DCOPLUS = 1
f_(DCO=2)
FN_8=1, FN_4=FN_3=FN_2=x; DCOPLUS = 1
f_(DCO=27)
S_n
D_t
D_V
FN_8=1,FN_4=FN_3=FN_2=x; DCOPLUS = 1
Step size between adjacent DCO taps:
S_n = f_{DCO(Tap n+1)} / f_{DCO(Tap n)}, (see Figure 14 for taps 21 to 27)
Temperature drift, N_(DCO) = 01Eh, FN_8=FN_4=FN_3=FN_2=0
D = 2; DCOPLUS = 0
Drift with V_CC variation, N_(DCO) = 01Eh,
FN_8=FN_4=FN_3=FN_2=0, D= 2; DCOPLUS = 0
V_CC = 2.2 V/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
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
1 < TAP ≤ 20
TAP = 27
V_CC = 2.2 V
V_CC = 3 V
V_CC = 2.2 V/3 V
MIN TYP MAX UNIT
1
MHz
0.3 0.65 1.25
MHz
0.3 0.7 1.3
2.5 5.6 10.5
MHz
2.7 6.1 11.3
0.7 1.3 2.3
MHz
0.8 1.5 2.5
5.7 10.8
6.5 12.1
18
MHz
20
1.2
2
3
MHz
1.3 2.2 3.5
9 15.5
25
10.3 17.9 28.5 ^MHz
1.8 2.8 4.2
MHz
2.1 3.4 5.2
13.5 21.5
16 26.6
33
MHz
41
2.8 4.2 6.2
MHz
4.2 6.3 9.2
21
32
46
30
46
70 ^MHz
1.06
1.11
1.07
1.17
–0.2 –0.3 –0.4
%/_C
–0.2 –0.3 –0.4
0
5
15 %/V
f(DCO)
f(DCO3V)
f(DCO)
f(DCO20_5C)
1.0
1.0
0 1.8
2.4
3.0
3.6
V_CC − V
−40 −20
0
20
40
60
Figure 13. DCO Frequency vs Supply Voltage V_CC and vs Ambient Temperature
85
T_A − °C
34
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