MSP430x31x
MIXED SIGNAL MICROCONTROLLERS
SLAS165D − FEBRUARY 1998 − REVISED APRIL 2000
19
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended and operating free-air temperature range (unless
otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
f
(NOM)
DCO
N
DCO
= 1A0h FN_4=FN_3=FN_2=0
V
CC
= 3 V/5 V
1
MHz
f
N
00 0110 0000 FN 4 FN 3 FN 2 0
V
CC
= 3 V
0.15
0.6
f
f
DCO3
N
DCO
= 00 0110 0000 FN_4=FN_3=FN_2=0
V
CC
= 5 V
0.18
0.62
MHz
f
(NOM)
f
N
= 11 0100 0000 FN 4=FN 3=FN 2=0
V
CC
= 3 V
1.25
4.7
MHz
f
DCO26
N
DCO
= 11 0100 0000 FN_4=FN_3=FN_2=0
V
CC
= 5 V
1.45
5.5
f
N
= 00 0110 0000 FN 4=FN 3=0 FN 2=1
V
CC
= 3 V
0.36
1.05
2xf
f
DCO3
N
DCO
= 00 0110 0000 FN_4=FN_3=0, FN_2=1
V
CC
= 5 V
0.39
1.2
MHz
2xf
(NOM)
f
N
= 11 0100 0000 FN 4=FN 3=0 FN 2=1
V
CC
= 3 V
2.5
8.1
MHz
f
DC26
N
DCO
= 11 0100 0000 FN_4=FN_3=0, FN_2=1
V
CC
= 5 V
3
9.9
f
CO
N
CO
= 00 0110 0000 FN 4=0 FN 3= 1 FN 2=X
V
CC
= 3 V
0.5
1.5
3xf
f
DCO3
N
DCO
= 00 0110 0000 FN_4=0, FN_3= 1, FN_2=X
V
CC
= 5 V
0.6
1.8
MHz
3xf
(NOM)
f
N
= 11 0100 0000 FN 4= 0 FN 3=1 FN 2=X
V
CC
= 3 V
3.7
11
MHz
f
DCO26
N
DCO
= 11 0100 0000 FN_4= 0, FN_3=1, FN_2=X
V
CC
= 5 V
4.5
13.8
f
N
= 00 0110 0000 FN 4 =1 FN 3=FN 2=X
V
CC
= 3 V
0.7
1.85
4xf
f
DCO3
N
DCO
= 00 0110 0000 FN_4 =1, FN_3=FN_2=X
V
CC
= 5 V
0.8
2.4
MHz
4xf
(NOM)
f
CO
N
CO
= 11 0100 0000 FN 4=1 FN 3=FN 2=X
V
CC
= 3 V
4.8
13.3
MHz
f
DCO26
N
DCO
= 11 0100 0000 FN_4=1, FN_3=FN_2=X
V
CC
= 5 V
6
17.7
N
DCO
f
MCLK
= f
NOM
FN_4=FN_3=FN_2=0
V
CC
= 3 V/5 V
A0h
1A0h
340h
S
f
NDCO+1
= S
×
f
NDCO
V
CC
= 3 V/5 V
1.07
1.13
Legend
Tolerance at Tap 26
DCO Frequency
Adjusted by Bits
2
∧
9−2
∧
5 in SCFI1
Tolerance at Tap 3
4xf
NOM
3xf
NOM
2xf
NOM
f
NOM
f
(DCO26)
f
(DCO3)
f
(DCO26)
f
(DCO3)
f
(DCO26)
f
(DCO3)
f
(DCO26)
f
(DCO3)
FN_2 = 0
FN_3 = 0
FN_4 = 0
FN_2 = 1
FN_3 = 0
FN_4 = 0
FN_2 = X
FN_3 = 1
FN_4 = 0
FN_2 = X
FN_3 = X
FN_4 = 1
Figure 3
