HD6432351 datasheet(496/1025 Pages) RENESAS

496 / 1025 page

Section 10 16-Bit Timer Pulse Unit (TPU)

Rev. 3.00 Sep 15, 2006 page 462 of 988

REJ09B0330-0300

Example of Synchronous Operation Setting Procedure

Figure 10.14 shows an example of the synchronous operation setting procedure.

Set synchronous

operation

Synchronous operation

selection

Set TCNT

Synchronous presetting

[1]

[2]

Synchronous clearing

Select counter

clearing source

[3]

Start count

[5]

Set synchronous

counter clearing

[4]

Start count

[5]

Clearing

sourcegeneration

channel?

Yes

[1]

[2]

[3]

[4]

[5]

Set to 1 the SYNC bits in TSYR corresponding to the channels to be designated for synchronous

operation.

When the TCNT counter of any of the channels designated for synchronous operation is

written to, the same value is simultaneously written to the other TCNT counters.

Use bits CCLR2 to CCLR0 in TCR to specify TCNT clearing by input capture/output compare,

etc.

Use bits CCLR2 to CCLR0 in TCR to designate synchronous clearing for the counter clearing

source.

Set to 1 the CST bits in TSTR for the relevant channels, to start the count operation.

Figure 10.14 Example of Synchronous Operation Setting Procedure

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