SH7108 Datasheet, PDF (213/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 8 Multifunction Timer Pulse Unit (MTU)
• Phase counting mode 4
Figure 8.28 shows an example of phase counting mode 4 operation, and table 8.36 summarizes
the TCNT up/down-count conditions.
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
TCNT value
Up-count
Down-count
Time
Figure 8.28 Example of Phase Counting Mode 4 Operation
Table 8.36 Up/Down-Count Conditions in Phase Counting Mode 4
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
Legend:
: Rising edge
: Falling edge
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
Operation
Up-count
Don’t care
Down-count
Don’t care
Rev.1.00 Sep. 18, 2008 Page 179 of 522
REJ09B0069-0100