XR68C681 Datasheet, PDF (28/75 Pages) Exar Corporation – CMOS Dual Channel UART (DUART)

XR68C681
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C/T Output Frequency =
fsts
 • MCTURN • ^< + MCTLRN
where:
f_STS = The frequency of the selected timing source (See
Table 7)
[CTUR] = the contents of the CTUR register in decimal
form
[CTLR] = the contents of the CTLR register in decimal
form
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