SH7615 Datasheet, PDF (746/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH
RISC engine Family/SH7600 Series

• Phase counting mode 2
Figure 16.27 shows an example of phase counting mode 2 operation, and table 16.9
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 16.27 Example of Phase Counting Mode 2 Operation
Table 16.9 Up/Down-Count Conditions in Phase Counting Mode 2
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
Notes:
: 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, 03/05, page 708 of 884