MSP430FE42X2 Datasheet, PDF (27/48 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FE42x2
MIXED SIGNAL MICROCONTROLLER
SLAS616 − JULY 2008
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
1.17
1.11
1.07
1.06
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ_MÎÎÎÎÎÎÎÎÎÎ_inÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ_MaÎÎÎÎÎÎÎÎÎÎ_x ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
1
20
27
DCO Tap
Figure 12. DCO Tap Step Size
Legend
Tolerance at Tap 27
DCO Frequency
Adjusted by Bits
2⁹ to 2⁵ 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 13. Five Overlapping DCO Ranges Controlled by FN_x Bits
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