H8SX1663 datasheet(651/1158 Pages) RENESAS

651 / 1158 page

Section 11 Programmable Pulse Generator (PPG)

Rev.1.00 Jun. 07, 2006 Page 599 of 1102

REJ09B0294-0100

11.4.5

Sample Setup Procedure for Non-Overlapping Pulse Output

Figure 11.8 shows a sample procedure for setting up non-overlapping pulse output.

Select TGR functions

[1]

Set TGR values

Set counting operation

Select interrupt request

Set initial output data

Enable pulse output

Select output trigger

Set next pulse

output data

Start counter

Set next pulse

output data

Compare match A?

Yes

TPU setup

PPG setup

TPU setup

Non-overlapping

pulse output

Set non-overlapping groups

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[1]

Set TIOR to make TGRA and TGRB

output compare registers (with output

disabled).

[2]

Set the pulse output trigger cycle in

TGRB and the non-overlapping margin

in TGRA.

[3]

Select the counter clock source with bits

TPSC2 to TPSC0 in TCR. Select the

counter clear source with bits CCLR1

and CCLR0.

[4]

Enable the TGIA interrupt in TIER. The

DTC or DMAC can also be set up to

transfer data to NDR.

[5]

Set the initial output values in PODR.

[6]

Set the bits in NDER for the pins to be

used for pulse output to 1.

[7]

Select the TPU compare match event to

be used as the pulse output trigger in

PCR.

[8]

In PMR, select the groups that will

operate in non-overlapping mode.

[9]

Set the next pulse output values in NDR.

[10] Set the CST bit in TSTR to 1 to start the

TCNT counter.

[11] At each TGIA interrupt, set the next

output values in NDR.

Figure 11.8 Setup Procedure for Non-Overlapping Pulse Output (Example)

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