SH7047 Datasheet, PDF (254/764 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTMRISC engine Family/SH7000 Series

2. Phase counting mode 2
Figure 10.26 shows an example of phase counting mode 2 operation, and table 10.34
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 10.26 Example of Phase Counting Mode 2 Operation
Table 10.34 Up/Down-Count Conditions in Phase Counting Mode 2
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
Don’t care
Don’t care
Don’t care
Down-count
Rev. 2.00, 09/04, page 214 of 720