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(b) Phase counting mode 2
Figure 10.27 shows an example of phase counting mode 2 operation, and table 10.22 summarizes
the TCNT up/down-count conditions.
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
TCNT value
Figure 10.27 Example of Phase Counting Mode 2 Operation
Table 10.22 Up/Down-Count Conditions in Phase Counting Mode 2
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
[Legend]
:
Rising edge
:
Falling edge
Up-count
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
Section 10 16-Bit Timer Pulse Unit (TPU)
Down-count
Operation
Don't care
Don't care
Don't care
Up-count
Don't care
Don't care
Don't care
Down-count
Rev. 1.00 May 09, 2008 Page 271 of 954
REJ09B0462-0100
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