R5F72115D160FPV datasheet(487/1228 Pages) RENESAS

Part #	R5F72115D160FPV

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family

PDF	1228 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 10 Multi-Function Timer Pulse Unit 2 (MTU2)

Rev. 2.00 May. 08, 2008 Page 463 of 1200

REJ09B0344-0200

(2)

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.

(a)

Phase counting mode 1

Figure 10.30 shows an example of phase counting mode 1 operation, and table 10.48 summarizes

the TCNT up/down-count conditions.

TCNT value

Time

TCLKA (channel 1)

TCLKC (channel 2)

TCLKB (channel 1)

TCLKD (channel 2)

Up-count

Down-count

Figure 10.30 Example of Phase Counting Mode 1 Operation

Table 10.48 Up/Down-Count Conditions in Phase Counting Mode 1

TCLKA (Channel 1)

TCLKC (Channel 2)

TCLKB (Channel 1)

TCLKD (Channel 2)

Operation

High level

Up-count

Low level

High level

Down-count

Low level

High level

Low level

[Legend]

Rising edge

Falling edge

R5F72115D160FPV Datasheet(PDF) 487 Page - Renesas Technology Corp