Datasheet

Section 10 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Sep. 28, 2009 Page 285 of 910
REJ09B0350-0300
(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.
Time
Down-countUp-count
TCNT value
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
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)
TCLKB (Channel 1)
TCLKD (Channel 2) 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