HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 382

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 9 16-Bit Timer Pulse Unit (TPU)
Phase counting mode 4: Figure 9.29 shows an example of phase counting mode 4 operation, and
table 9.11 summarizes the TCNT up/down-count conditions.
Table 9.11 Up/Down-Count Conditions in Phase Counting Mode 4
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
Legend:
Rev.3.00 Mar. 26, 2007 Page 340 of 772
REJ09B0355-0300
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
: Rising edge
: Falling edge
TCNT value
Figure 9.29 Example of Phase Counting Mode 4 Operation
Up-count
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
Down-count
Operation
Up-count
Don't care
Down-count
Don't care
Time