HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 704

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

Table 16.11 Up/Down-Count Conditions in Phase Counting Mode 4
692
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
Notes:
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
Phase counting mode 4
Figure 16.29 shows an example of phase counting mode 4 operation, and table 16.11
summarizes the TCNT up/down-count conditions.
TCNT value
: Rising edge
: Falling edge
Figure 16.29 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