H8SXSLASH1663M datasheet(765/1504 Pages) RENESAS

tên linh kiện	H8SX/1663M

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Section 14 16-Bit Timer Pulse Unit (TPU)

Rev. 2.00 Sep. 24, 2008 Page 733 of 1468

REJ09B0412-0200

(b)

Examples of waveform output operation

Figure 14.7 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 14.7 Example of 0-Output/1-Output Operation

Figure 14.8 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 14.8 Example of Toggle Output Operation

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