參數(shù)資料
型號(hào)： MSP430FE4252IPMR
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8.4 MHz, RISC MICROCONTROLLER, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁(yè)數(shù)： 19/48頁(yè)
文件大?。?/td> 891K
代理商： MSP430FE4252IPMR
MSP430FE42x2
MIXED SIGNAL MICROCONTROLLER
SLAS616 JULY 2008
26
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
3 V
1
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(DCO=27)
FN_8 = FN_4 = FN_3 = FN_2 = 0, DCOPLUS = 1
3 V
2.7
6.1
11.3
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(DCO=27)
FN_8 = FN_4 = FN_3 = 0, FN_2 = 1, DCOPLUS = 1
3 V
6.5
12.1
20
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(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(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(DCO=27)
FN_8 = 0, FN_4 = 1, FN_3 = FN_2 = x, DCOPLUS = 1
3 V
16
26.6
41
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(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 12 for taps 21 to 27)
TAP = 27
1.07
1.17
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 11. DCO Frequency vs Supply Voltage VCC and vs Ambient Temperature
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