HD6432621 Hitachi, HD6432621 Datasheet - Page 390

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 10-12 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
346
TCLKA (channels 1 and 5)
TCLKC (channels 2 and 4)
TCLKB (channels 1 and 5)
TCLKD (channels 2 and 4)
Phase counting mode 4
Figure 10-32 shows an example of phase counting mode 4 operation, and table 10-12
summarizes the TCNT up/down-count conditions.
: Rising edge
: Falling edge
TCNT value
Figure 10-32 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