SH7108 Datasheet, PDF (212/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 8 Multifunction Timer Pulse Unit (MTU)
• Phase counting mode 3
Figure 8.27 shows an example of phase counting mode 3 operation, and table 8.35 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 8.27 Example of Phase Counting Mode 3 Operation
Table 8.35 Up/Down-Count Conditions in Phase Counting Mode 3
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
Don’t care
Don’t care
Don’t care
Up-count
Down-count
Don’t care
Don’t care
Don’t care
Rev.1.00 Sep. 18, 2008 Page 178 of 522
REJ09B0069-0100