Datasheet

1 2720
1.11
1.17
DCO Tap
S
n
- Stepsize Ratio between DCO T aps
Min
Max
1.07
1.06
DCO Frequency
Adjusted by Bits
2
9
to 2
5
in SCFI1 {N
{DCO}
}
FN_2=0
FN_3=0
FN_4=0
FN_8=0
FN_2=1
FN_3=0
FN_4=0
FN_8=0
FN_2=x
FN_3=1
FN_4=0
FN_8=0
FN_2=x
FN_3=x
FN_4=1
FN_8=0
FN_2=x
FN_3=x
FN_4=x
FN_8=1
Legend
Tolerance at T ap 27
Tolerance at T ap 2
Overlapping DCO Ranges:
Uninterrupted Frequency Range
f
(DCO)
MSP430FW42x
SLAS383D –OCTOBER 2003–REVISED JANUARY 2011 www.ti.com
Figure 16. DCO Tap Step Size
Figure 17. Five Overlapping DCO Ranges Controlled by FN_x Bits
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