HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 321

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Examples of Phase Counting Mode Operation: In phase counting mode, TCNT counts up or
down according to the phase difference between two external clocks. There are four modes,
according to the count conditions.
1. Phase counting mode 1
Table 11.33 Up/Down-Count Conditions in Phase Counting Mode 1
[Legend]
TCLKA (Channel 1)
TCLKC (Channel 2)
High level
Low level
High level
Low level
Figure 11.25 shows an example of phase counting mode 1 operation, and table 11.33
summarizes the TCNT up/down-count conditions.
:
:
Rising edge
Falling edge
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
TCNT value
Figure 11.25
Up-count
Example of Phase Counting Mode 1 Operation
TCLKB (Channel 1)
TCLKD (Channel 2)
Low level
High level
High level
Low level
11.
Rev.4.00 Mar. 27, 2008 Page 277 of 882
Multi-Function Timer Pulse Unit (MTU)
Down-count
Operation
Up-count
Down-count
REJ09B0108-0400
Time