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Section 9 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Mar. 14, 2006 Page 321 of 804
REJ09B0104-0300
(b)
Phase counting mode 2
Figure 9.27 shows an example of phase counting mode 2 operation, and table 9.36 summarizes the
TCNT up/down-count conditions.
Time
Down-count
Up-count
TCNT value
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Figure 9.27 Example of Phase Counting Mode 2 Operation
Table 9.36 Up/Down-Count Conditions in Phase Counting Mode 2
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
Operation
High level
Don't care
Low level
Don't care
Low level
Don't care
High level
Up-count
High level
Don't care
Low level
Don't care
High level
Don't care
Low level
Down-count
[Legend]
: Rising edge
: Falling edge
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