H8S2339 Datasheet, PDF (534/1244 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series

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
Up-count
Don’t care
Down-count
Rev.4.00 Sep. 07, 2007 Page 504 of 1210
REJ09B0245-0400