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参数资料
型号： MSP430C412IRTD
厂商： TEXAS INSTRUMENTS INC
元件分类： 微控制器/微处理器
英文描述： 16-BIT, MROM, 8 MHz, RISC MICROCONTROLLER, PQCC64
封装： PLASTIC, QFN-64
文件页数： 28/58页
文件大小： 1160K
代理商： MSP430C412IRTD
MSP430x41x
MIXED SIGNAL MICROCONTROLLER
SLAS340H MAY 2001 REVISED APRIL 2007
34
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
DCO
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
f(DCOCLK)
N(DCO)=01Eh, FN_8=FN_4=FN_3=FN_2=0, D = 2; DCOPLUS=0,
fCrystal = 32.768 kHz
2.2 V/3 V
1
MHz
f
FN 8 FN 4 FN 3 FN 2 0 ; DCOPLUS
1
2.2 V
0.3
0.65
1.25
MHz
f(DCO=2)
FN_8=FN_4=FN_3=FN_2=0 ; DCOPLUS = 1
3 V
0.3
0.7
1.3
MHz
f
FN 8 FN 4 FN 3 FN 2 0; DCOPLUS
1
2.2 V
2.5
5.6
10.5
MHz
f(DCO=27)
FN_8=FN_4=FN_3=FN_2=0; DCOPLUS = 1
3 V
2.7
6.1
11.3
MHz
f
FN 8 FN 4 FN 3 0 FN 2 1; DCOPLUS
1
2.2 V
0.7
1.3
2.3
MHz
f(DCO=2)
FN_8=FN_4=FN_3=0, FN_2=1; DCOPLUS = 1
3 V
0.8
1.5
2.5
MHz
f
FN 8 FN 4 FN 3 0 FN 2 1; DCOPLUS
1
2.2 V
5.7
10.8
18
MHz
f(DCO=27)
FN_8=FN_4=FN_3=0, FN_2=1; DCOPLUS = 1
3 V
6.5
12.1
20
MHz
f
FN 8 FN 4 0 FN 3 1 FN 2 x; DCOPLUS
1
2.2 V
1.2
2
3
MHz
f(DCO=2)
FN_8=FN_4=0, FN_3= 1, FN_2=x; DCOPLUS = 1
3 V
1.3
2.2
3.5
MHz
f
FN 8 FN 4 0 FN 3 1 FN 2 x; DCOPLUS
1
2.2 V
9
15.5
25
MHz
f(DCO=27)
FN_8=FN_4=0, FN_3= 1, FN_2=x; DCOPLUS = 1
3 V
10.3
17.9
28.5
MHz
f
FN 8 0 FN 4 1 FN 3 FN 2 x; DCOPLUS
1
2.2 V
1.8
2.8
4.2
MHz
f(DCO=2)
FN_8=0, FN_4= 1, FN_3= FN_2=x; DCOPLUS = 1
3 V
2.1
3.4
5.2
MHz
f
FN 8 0 FN 4 1 FN 3 FN 2 x; DCOPLUS
1
2.2 V
13.5
21.5
33
MHz
f(DCO=27)
FN_8=0, FN_4=1, FN_3= FN_2=x; DCOPLUS = 1
3 V
16
26.6
41
MHz
f
FN 8 1 FN 4 FN 3 FN 2 x; DCOPLUS
1
2.2 V
2.8
4.2
6.2
MHz
f(DCO=2)
FN_8=1, FN_4=FN_3=FN_2=x; DCOPLUS = 1
3 V
4.2
6.3
9.2
MHz
f
FN 8 1 FN 4 FN 3 FN 2 x; DCOPLUS
1
2.2 V
21
32
46
MHz
f(DCO=27)
FN_8=1,FN_4=FN_3=FN_2=x; DCOPLUS = 1
3 V
30
46
70
MHz
S
Step size between adjacent DCO taps:
1 < TAP
≤ 20
1.06
1.11
Sn
Step size between adjacent DCO taps:
Sn = fDCO(Tap n+1) / fDCO(Tap n) (see Figure 20 for taps 21 to 27)
TAP = 27
1.07
1.17
D
Temperature drift, N(DCO) = 01Eh, FN_8=FN_4=FN_3=FN_2=0
2.2 V
–0.2
–0.3
–0.4
%
/_C
Dt
Temperature drift, N(DCO) = 01Eh, FN_8=FN_4=FN_3=FN_2=0
D = 2; DCOPLUS = 0
3 V
–0.2
–0.3
–0.4
%
/_C
DV
Drift with VCC variation, N(DCO) = 01Eh, FN_8=FN_4=FN_3=FN_2=0
D = 2; DCOPLUS = 0
0
5
15
%/V
TA °C
VCC V
f
(DCO)
f
(DCO20
5C)
f
(DCO)
f
(DCO3V)
1.8
3.0
2.4
3.6
1.0
20
60
40
85
1.0
0
20
40
0
Figure 19. DCO Frequency vs Supply Voltage VCC and vs Ambient Temperature
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