Datasheet

Section 11 16-Bit Timer Pulse Unit (TPU)
R01UH0309EJ0500 Rev. 5.00 Page 767 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
b. Phase counting mode 2
Figure 11.27 shows an example of phase counting mode 2 operation, and table 11.34
summarizes the TCNT up/down-count conditions.
Time
Down-countUp-count
TCNT value
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Figure 11.27 Example of Phase Counting Mode 2 Operation
Table 11.34 Up/Down-Count Conditions in Phase Counting Mode 2
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
TCLKE (Channels 7 and 11)
TCLKG (Channels 8 and 10)
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
TCLKF (Channels 7 and 11)
TCLKH (Channels 8 and 10) Operation
High level
Don't care
Low level Don't care
Low level Don't care
High level Up-count
High level Don't care
Low level Don't care
High level Don't care
Low level Down-count
Legend]
: Rising edge
: Falling edge