SH7261 datasheet(499/1348 Pages) RENESAS

Part #	SH7261

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

PDF	1348 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 12 Multi-Function Timer Pulse Unit 2 (MTU2)

Rev. 2.00 Sep. 07, 2007 Page 467 of 1312

REJ09B0320-0200

(2)

Example of Synchronous Operation

Figure 12.13 shows an example of synchronous operation.

In this example, synchronous operation and PWM mode 1 have been designated for channels 0 to

2, TGRB_0 compare match has been set as the channel 0 counter clearing source, and

synchronous clearing has been set for the channel 1 and 2 counter clearing source.

Three-phase PWM waveforms are output from pins TIOC0A, TIOC1A, and TIOC2A. At this

time, synchronous presetting, and synchronous clearing by TGRB_0 compare match, are

performed for channel 0 to 2 TCNT counters, and the data set in TGRB_0 is used as the PWM

cycle.

For details of PWM modes, see section 12.4.5, PWM Modes.

TCNT_0 to TCNT_2

values

H'0000

TIOC0A

TIOC1A

TGRB_0

Synchronous clearing by TGRB_0 compare match

TGRA_2

TGRA_1

TGRB_2

TGRA_0

TGRB_1

TIOC2A

Time

Figure 12.13 Example of Synchronous Operation

SH7261 Datasheet(PDF) 499 Page - Renesas Technology Corp