MSP430FG439 Datasheet, PDF (25/88 Pages) Texas Instruments – Mixed-Signal Microcontrollers

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MSP430FG439, MSP430FG438, MSP430FG437
SLAS380D – APRIL 2004 – REVISED NOVEMBER 2014
1.17
Max
1.11
1.07
1.06
Min
1
20
27
DCO Tap
Figure 5-16. DCO Tap Step Size
Legend
Tolerance at Tap 27
DCO Frequency
Adjusted by Bits
9
5
2 to 2 in SCFI1 {N_{DCO}}
Tolerance at Tap 2
Overlapping DCO Ranges:
Uninterrupted Frequency Range
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
Figure 5-17. Five Overlapping DCO Ranges Controlled by FN_x Bits
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Specifications
25