H8SSLASH2214 datasheet(456/936 Pages) RENESAS

部件名	H8S/2214

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

PDF	936 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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Section 10 16-Bit Timer Pulse Unit (TPU)

Rev.4.00 Sep. 18, 2008 Page 396 of 872

REJ09B0189-0400

• Examples of waveform output operation

Figure 10.10 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 coincide, the pin level does not change.

TCNT value

H'FFFF

H'0000

TIOCA

TIOCB

Time

TGRA

TGRB

No change

1 output

0 output

Figure 10.10 Example of 0 Output/1 Output Operation

Figure 10.11 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 10.11 Example of Toggle Output Operation

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