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DA7282 Folha de dados(PDF) 57 Page - Renesas Technology Corp

Nome de Peças DA7282
Descrição Electrónicos  LRA/ERM Ultra-Low Power Haptic Driver with Multiple Input Triggers and Integrated Waveform Memory
PDF  88 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA7282 Folha de dados(HTML) 57 Page - Renesas Technology Corp

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DA7282
LRA/ERM Ultra-Low Power Haptic Driver with
Multiple Input Triggers and Integrated
Waveform Memory
Datasheet
Revision 3.1
10-Feb-2022
CFR0011-120-00
57 of 87
© 2022 Renesas Electronics
5.9
General Data Format
This section describes the data format used by the three different data input sources (DRO, PWM,
and Waveform Memory). Four bits are used for storing the envelope value of snippets in Waveform
Memory. Interpretation of the data is different depending on ACCELERATION_EN. For an overview
of the data interpretation with and without Active Acceleration enabled, see Figure 31 and Figure 32.
100 %
0
-100 %
0x7
0x6
0x5
.
.
.
0x2
0x1
0x0
0xF
0xE
0xD
.
.
.
0x9
0x8
0x7F
0x7E
0x7D
.
.
.
0x02
0x01
0x00
0xFF
0xFE
0xFD
.
.
.
0x81
0x80
PWM
[Mark / space]
DRO
MEM
FULL_BRAKE_THRS[3:0]
full brake
(only for PWM)
Drive positive direction
Drive negative direction
100%
50%
0%
Waveform/Data source
Driving Strength
[%]
Data format for ERM and LRA
ACCELERATION_EN = 0
4 bits
2's c.
8 bits
2's c.
Figure 31: Overview of Data Formats with Acceleration Disabled



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