H8S-2350 Datasheet, PDF (511/1025 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

Section 10 16-Bit Timer Pulse Unit (TPU)
Phase counting mode 2: Figure 10.30 shows an example of phase counting mode 2 operation,
and table 10.10 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 10.30 Example of Phase Counting Mode 2 Operation
Table 10.10 Up/Down-Count Conditions in Phase Counting Mode 2
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
Don’t care
Don’t care
Don’t care
Down-count
Rev. 3.00 Sep 15, 2006 page 477 of 988
REJ09B0330-0300