H8S43 Datasheet, PDF (559/1279 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 11 16-Bit Timer Pulse Unit (TPU)
Table 11.11 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
• Phase counting mode 4
Figure 11.32 shows an example of phase counting mode 4 operation, and table 11.12
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 11.32 Example of Phase Counting Mode 4 Operation
Rev. 3.00 Jan 11, 2005 page 503 of 1220
REJ09B0186-0300O