DA7281 datasheet(36/88 Pages) RENESAS

Part #	DA7281

Description	LRA/ERM Haptic Driver with Multiple I²C Addresses, Integrated Waveform Memory, and Wideband Support

PDF	88 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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36 / 88 page

DA7281

LRA/ERM Haptic Driver with Multiple I²C

Addresses, Integrated Waveform Memory, and

Wideband Support

Datasheet

Revision 3.1

10-Feb-2022

CFR0011-120-00

36 of 87

Output starts

switching

Write

OPERATION_MODE = 4

IDLE/STANDBY

Sequence

playback

Write

SEQ_DONE_M = 1

to clear register and

nIRQ

DA7281

ready to

play next

sequence

Sequence is

continued

Are

PS_SEQ_ID and

PS_SEQ_LOOP already

configured?

Configure the

PS_SEQ_LOOP

Yes

Trigger via GPI or

SEQ_CONTINUE = 1?

Select a sequence

via PS_SEQ_ID

Yes

OPERATION_MODE = 4?

Yes

nIRQ = 0 and

SEQ_DONE_M = 1

Sequence playback is

complete and output

stops switching

Are

GPI_SEQUENCE_ID,

GPI_MODE, and

GPI_POLARITY already

configured?

Yes

Configure

GPI_SEQUENCE_ID

Configure GPI_MODE

Configure

GPI_POLARITY

SEQ_CONTINUE

can be set if

required during

playback

Can be skipped

for subsequent

sequence

playbacks

Figure 16: Operation in ETWM Mode

DA7281 Datasheet(PDF) 36 Page - Renesas Technology Corp

DA7281 Datasheet(HTML) 36 Page - Renesas Technology Corp

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