h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 394

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 16-Bit Timer Pulse Unit (TPU)
• Phase counting mode 4
Table 10.12 Up/Down-Count Conditions in Phase Counting Mode 4
Legend:
Rev. 5.00 Sep 22, 2005 page 368 of 1136
REJ09B0257-0500
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
High level
Low level
High level
Low level
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Figure 10.32 shows an example of phase counting mode 4 operation, and table 10.12
summarizes the TCNT up/down-count conditions.
: Rising edge
: Falling edge
TCNT value
Figure 10.32 Example of Phase Counting Mode 4 Operation
Up-count
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
Low level
High level
High level
Low level
Operation
Up-count
Don’t care
Down-count
Don’t care
Down-count
Time