Datasheet

Table Of Contents
Section 10 16-Bit Timer Pulse Unit (TPU)
Page 332 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
4. Phase counting mode 4
Figure 10.29 shows an example of phase counting mode 4 operation, and table 10.23
summarizes the TCNT up/down-count conditions.
Time
Up-count
Down-count
TCNT value
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
Figure 10.29 Example of Phase Counting Mode 4 Operation
Table 10.23 Up/Down-Count Conditions in Phase Counting Mode 4
TCLKA (Channel 1)
TCLKC (Channel 2)
TCLKB (Channel 1)
TCLKD (Channel 2)
Operation
High level
Low level
Up-count
Low level
High level
Don’t care
High level
Low level
Down-count
High level Don’t care
Low level
Legend:
: Rising edge
: Falling edge