Datasheet

Table Of Contents
Section 10 16-Bit Timer Pulse Unit (TPU)
Page 330 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
2. Phase counting mode 2
Figure 10.27 shows an example of phase counting mode 2 operation, and table 10.21
summarizes the TCNT up/down-count conditions.
Time
Down-countUp-count
TCNT value
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
Figure 10.27 Example of Phase Counting Mode 2 Operation
Table 10.21 Up/Down-Count Conditions in Phase Counting Mode 2
TCLKA (Channel 1)
TCLKC (Channel 2)
TCLKB (Channel 1)
TCLKD (Channel 2)
Operation
High level
Don’t care
Low level
Low level
High level Up-count
High level Don’t care
Low level
High level
Low level Down-count
Legend:
: Rising edge
: Falling edge