HD6432670 Hitachi, HD6432670 Datasheet - Page 606

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

4. Phase counting mode 4
Table 11.35 Up/Down-Count Conditions in Phase Counting Mode 4
TCLKA (Channels 1 and 5)
TCLKC (Channels 2 and 4)
High level
Low level
High level
Low level
Legend
Rev. 2.0, 04/02, page 560 of 906
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Figure 11.28 shows an example of phase counting mode 4 operation, and table 11.35
summarizes the TCNT up/down-count conditions.
: Rising edge
: Falling edge
TCNT value
Figure 11.28 Example of Phase Counting Mode 4 Operation
Up-count
TCLKB (Channels 1 and 5)
TCLKD (Channels 2 and 4)
Low level
High level
High level
Low level
Operation
Up-count
Don’t care
Down-count
Don’t care
Down-count
Time