Datasheet

Section 10 16-Bit Timer Pulse Unit (TPU)
Rev.6.00 Sep. 27, 2007 Page 507 of 1268
REJ09B0220-0600
• Phase counting mode 3
Figure 10.31 shows an example of phase counting mode 3 operation, and table 10.11
summarizes the TCNT up/down-count conditions.
TCNT value
Time
Up-count
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Down-count
Figure 10.31 Example of Phase Counting Mode 3 Operation
Table 10.11 Up/Down-Count Conditions in Phase Counting Mode 3
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 Down-count
Low level Don’t care
High level
Low level
Legend:
: Rising edge
: Falling edge