H8SX1622 Datasheet, PDF (528/1056 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 12 16-Bit Timer Pulse Unit (TPU)
(b) Phase counting mode 2
Figure 12.26 shows an example of phase counting mode 2 operation, and table 12.34 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 12.26 Example of Phase Counting Mode 2 Operation
Table 12.34 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. 1.00 Nov. 01, 2007 Page 500 of 1024
REJ09B0414-0100