HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 702

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

Table 16.9 Up/Down-Count Conditions in Phase Counting Mode 2
690
TCLKA (Channel 1)
TCLKC (Channel 2)
TCLKB (Channel 1)
TCLKD (Channel 2)
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
Notes:
Phase counting mode 2
Figure 16.27 shows an example of phase counting mode 2 operation, and table 16.9
summarizes the TCNT up/down-count conditions.
: Rising edge
: Falling edge
TCNT value
Figure 16.27 Example of Phase Counting Mode 2 Operation
Up-count
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
Don’t care
Don’t care
Don’t care
Down-count
Down-count
Time