H8SSLASH2225 datasheet(487/1071 Pages) RENESAS

部件名	H8S/2225

功能描述	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	1071 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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487 / 1071 page

Section 11 16-Bit Timer Pulse Unit (TPU)

Rev. 5.00 Aug 08, 2006 page 401 of 982

REJ09B0054-0500

2. Examples of waveform output operation

Figure 11.7 shows an example of 0 output/1 output.

In this example, TCNT has been designated as a free-running counter, and settings have been

made so that 1 is output by compare match A, and 0 is output by compare match B. When the

set level and the pin level match, the pin level does not change.

TCNT value

H'FFFF

H'0000

TIOCA

TIOCB

Time

TGRA

TGRB

No change

1 output

0 output

Figure 11.7 Example of 0 Output/1 Output Operation

Figure 11.8 shows an example of toggle output.

In this example TCNT has been designated as a periodic counter (with counter clearing

performed by compare match B), and settings have been made so that output is toggled by both

compare match A and compare match B.

TCNT value

H'FFFF

H'0000

TIOCB

TIOCA

Time

TGRB

TGRA

Toggle output

Counter cleared by TGRB compare match

Figure 11.8 Example of Toggle Output Operation

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