Figure 12.31 Example Of Phase Counting Mode 3 Operation; Table 12.23 Up/Down-Count Conditions In Phase Counting Mode 3 - Renesas H8S/2437 Hardware Manual

• Phase Counting Mode 3
Figure 12.31 shows an example of phase counting mode 3 operation, and table 12.23
summarizes the TCNT up/down-count conditions.
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
TCNT value

Figure 12.31 Example of Phase Counting Mode 3 Operation

Table 12.23 Up/Down-Count Conditions in Phase Counting Mode 3

TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
[Legend]
: Rising edge
: Falling edge
Rev. 1.00, 09/03, page 346 of 704
Up-count
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
Down-count
Operation
Don't care
Don't care
Don't care
Up-count
Down-count
Don't care
Don't care
Don't care
Time