HD64F2638F20J Datasheet, PDF (422/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 10 16-Bit Timer Pulse Unit (TPU)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
• 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
Page 372 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010