SH7047 Datasheet, PDF (255/764 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTMRISC engine Family/SH7000 Series

3. Phase counting mode 3
Figure 10.27 shows an example of phase counting mode 3 operation, and table 10.35
summarizes the TCNT up/down-count conditions.
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
TCNT value
Up-count
Down-count
Time
Figure 10.27 Example of Phase Counting Mode 3 Operation
Table 10.35 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
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
Operation
Don’t care
Don’t care
Don’t care
Up-count
Down-count
Don’t care
Don’t care
Don’t care
Rev. 2.00, 09/04, page 215 of 720