參數(shù)資料
型號： MSP430FW427IPMR
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 MHz, RISC MICROCONTROLLER, PQFP64
封裝： GREEN, PLASTIC, QFP-64
文件頁數(shù)： 25/61頁
文件大?。?/td> 828K
代理商： MSP430FW427IPMR
TA °C
VCC V
f
(DCO)
f
(DCO20 C)
f
(DCO)
f
(DCO3V)
1.8
3.0
2.4
3.6
1.0
20
60
40
85
1.0
0
20
40
0
MSP430FW42x
www.ti.com
SLAS383D – OCTOBER 2003 – REVISED JANUARY 2011
DCO
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
N(DCO) = 01Eh, FN_8 = FN_4 = FN_3 = FN_2 = 0, D = 2;
f(DCOCLK)
2.2 V/3 V
1
MHz
DCOPLUS = 0, fCrystal = 32.768 kHz
2.2 V
0.3
0.65
1.25
f(DCO = 2)
FN_8 = FN_4 = FN_3 = FN_2 = 0; DCOPLUS = 1
MHz
3 V
0.3
0.7
1.3
2.2 V
2.5
5.6
10.5
f(DCO = 27)
FN_8 = FN_4 = FN_3 = FN_2 = 0; DCOPLUS = 1
MHz
3 V
2.7
6.1
11.3
2.2 V
0.7
1.3
2.3
f(DCO = 2)
FN_8 = FN_4 = FN_3 = FN_2 = 1; DCOPLUS = 1
MHz
3 V
0.8
1.5
2.5
2.2 V
5.7
10.8
18
f(DCO = 27)
FN_8 = FN_4 = FN_3 = FN_2 = 1; DCOPLUS = 1
MHz
3 V
6.5
12.1
20
2.2 V
1.2
2
3
f(DCO = 2)
FN_8 = FN_4 = 0, FN_3 = 1, FN_2 = x; ; DCOPLUS = 1
MHz
3 V
1.3
2.2
3.5
2.2 V
9
15.5
25
f(DCO = 27)
FN_8 = FN_4 = 0, FN_3 = 1, FN_2 = x; ; DCOPLUS = 1
MHz
3 V
10.3
17.9
28.5
2.2 V
1.8
2.8
4.2
f(DCO = 2)
FN_8 = 0, FN_4 = 1, FN_3 = FN_2 = x; ; DCOPLUS = 1
MHz
3 V
2.1
3.4
5.2
2.2 V
13.5
21.5
33
f(DCO = 27)
FN_8 = 0, FN_4 = 1, FN_3 = FN_2 = x; ; DCOPLUS = 1
MHz
3 V
16
26.6
41
2.2 V
2.8
4.2
6.2
f(DCO = 2)
FN_8 = 1, FN_4 = 1 = FN_3 = FN_2 = x; ; DCOPLUS = 1
MHz
3 V
4.2
6.3
9.2
2.2 V
21
32
46
f(DCO = 27)
FN_8 = 1, FN_4 = 1 = FN_3 = FN_2 = x; ; DCOPLUS = 1
MHz
3 V
30
46
70
1 < TAP
≤ 20
1.06
1.11
Step size between adjacent DCO taps:
Sn
Sn = fDCO(Tap n+1) /fDCO(Tap n) (see Figure 16 for taps 21 to 27)
TAP = 27
1.07
1.17
Temperature drift, N(DCO) = 01Eh, FN_8 = FN_4 = FN_3 =
2.2 V
-0.2
-0.3
-0.4
Dt
FN_2 = 0
%/°C
3 V
-0.2
-0.3
-0.4
D = 2; DCOPLUS = 0
Drift with VCC variation, N(DCO) = 01Eh, FN_8 = FN_4 = FN_3
DV
= FN_2 = 0
2.2 V/3 V
0
5
15
%/V
D = 2; DCOPLUS = 0
Figure 15. DCO Frequency vs Supply Voltage VCC and vs Ambient Temperature
Copyright 2003–2011, Texas Instruments Incorporated
31
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