Datasheet

Section 9 16-Bit Timer Pulse Unit (TPU)
Rev.7.00 Feb. 14, 2007 page 365 of 1108
REJ09B0089-0700
• Phase counting mode 2
Figure 9.30 shows an example of phase counting mode 2 operation, and table 9.10 summarizes
the TCNT up/down-count conditions.
TCNT value
Time
Down-countUp-count
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Figure 9.30 Example of Phase Counting Mode 2 Operation
Table 9.10 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
Low level
High level Up-count
High level Don’t care
Low level
High level
Low level Down-count
Legend:
: Rising edge
: Falling edge