Section 9 16-Bit Timer Pulse Unit (TPU)
(c)
Phase counting mode 3
Figure 9.28 shows an example of phase counting mode 3 operation, and table 9.37 summarizes the
TCNT up/down-count conditions.
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
TCNT value
Table 9.37
Up/Down-Count Conditions in Phase Counting Mode 3
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
High level
Low level
High level
Low level
[Legend]
: Rising edge
: Falling edge
Rev. 3.00 Mar. 14, 2006 Page 322 of 804
REJ09B0104-0300
Downloaded from
Elcodis.com
electronic components distributor
Up-count
Figure 9.28 Example of Phase Counting Mode 3 Operation
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
Low level
High level
High level
Low level
Down-count
Time
Operation
Don't care
Don't care
Don't care
Up-count
Down-count
Don't care
Don't care
Don't care