Datasheet

Section 9 16-Bit Timer Pulse Unit (TPU)
Rev.7.00 Dec. 24, 2008 Page 320 of 698
REJ09B0074-0700
3. Phase counting mode 3
Figure 9.28 shows an example of phase counting mode 3 operation, and table 9.22 summarizes
the TCNT up/down-count conditions.
Time
Up-count
Down-count
TCNT value
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
Figure 9.28 Example of Phase Counting Mode 3 Operation
Table 9.22 Up/Down-Count Conditions in Phase Counting Mode 3
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 Down-count
Low level Don't care
High level Don't care
Low level Don't care
Legend:
: Rising edge
: Falling edge