H8S2378 Datasheet, PDF (670/1203 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series

Section 11 16-Bit Timer Pulse Unit (TPU)
3. Phase counting mode 3
Figure 11.27 shows an example of phase counting mode 3 operation, and table 11.34
summarizes the TCNT up/down-count conditions.
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
TCNT value
Up-count
Down-count
Time
Figure 11.27 Example of Phase Counting Mode 3 Operation
Table 11.34 Up/Down-Count Conditions in Phase Counting Mode 3
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
High level
Low level
High level
Low level
Legend:
: Rising edge
: Falling edge
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
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. 6.00 Jul 19, 2006 page 606 of 1136
REJ09B0109-0600