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• Phase counting mode 4
Figure 9-32 shows an example of phase counting mode 4 operation, and table 9-12 summarizes
the TCNT up/down-count conditions.
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
TCNT value
Figure 9-32 Example of Phase Counting Mode 4 Operation
Table 9-12 Up/Down-Count Conditions in Phase Counting Mode 4
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
High level
Low level
High level
Low level
Legend:
: Rising edge
: Falling edge
Up-count
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
Low level
High level
High level
Low level
Down-count
Operation
Up-count
Don't care
Down-count
Don't care
Rev. 5.00, 12/03, page 359 of 1088
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