T -
A
°
C
V
- V
CC
1.8
3.0
2.4
3.6
1.0
20
60
40
85
1.0
0
-20
-40
0
f
(DCO)
f
(DCO3V)
f
(DCO)
f
(DCO20 C)
°
MSP430FG4619, MSP430FG4618, MSP430FG4617, MSP430FG4616
MSP430CG4619, MSP430CG4618, MSP430CG4617, MSP430CG4616
www.ti.com
SLAS508J – APRIL 2006 – REVISED JUNE 2015
5.19
DCO
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
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
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:
S
n
S
n
= f
DCO(Tap n+1)
/f
DCO(Tap n)
(see
Figure 5-16
for taps 21 to 27)
TAP = 27
1.07
1.17
2.2 V
–0.2
–0.3
–0.4
Temperature drift, N
(DCO)
= 01Eh,
D
t
%/°C
FN_8 = FN_4 = FN_3 = FN_2 = 0, D = 2, DCOPLUS = 0
3 V
–0.2
–0.3
–0.4
Drift with V
CC
variation, N
(DCO)
= 01Eh,
D
V
0
5
15
%/V
FN_8 = FN_4 = FN_3 = FN_2 = 0, D = 2, DCOPLUS = 0
Figure 5-15. DCO Frequency vs Supply Voltage V
CC
and vs Ambient Temperature
Copyright © 2006–2015, Texas Instruments Incorporated
Specifications
27
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