Datasheet

MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009
49
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12720
1.11
1.17
DCO Tap
S
n
- Stepsize Ratio between DCO Taps
Min
Max
1.07
1.06
Figure 16. DCO Tap Step Size
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 Tap 27
Tolerance at Tap 2
DCO Frequency
Adjusted by Bits
2
9
to 2
5
in SCFI1 {N
(DCO)
}
Overlapping DCO Ranges:
uninterrupted frequency range
f
(DCO)
Figure 17. Five Overlapping DCO Ranges Controlled by FN_x Bits