(d) Phase counting mode 4
Figure 10.29 shows an example of phase counting mode 4 operation, and table 10.24 summarizes
the TCNT up/down-count conditions.
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
TCNT value
Figure 10.29 Example of Phase Counting Mode 4 Operation
Table 10.24 Up/Down-Count Conditions in Phase Counting Mode 4
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
[Legend]
:
Rising edge
:
Falling edge
Up-count
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
Section 10 16-Bit Timer Pulse Unit (TPU)
Down-count
Operation
Up-count
Don't care
Down-count
Don't care
Rev. 1.00 May 09, 2008 Page 273 of 954
REJ09B0462-0100
Time