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DA7280 датащи(PDF) 49 Page - Dialog Semiconductor

номер детали DA7280
подробное описание детали  LRA/ERM Haptic Driver with Multiple Input Triggers, Integrated Waveform Memory and Wideband Support
PDF  76 Pages
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производитель  DIALOG [Dialog Semiconductor]
домашняя страница  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7280 датащи(HTML) 49 Page - Dialog Semiconductor

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DA7280
LRA/ERM Haptic Driver with Multiple Input Triggers,
Integrated Waveform Memory and Wideband Support
Datasheet
Revision 3.0
30-Jul-2019
CFR0011-120-00
49 of 76
© 2019 Dialog Semiconductor
100 %
0
-100 %
0xF
0xE
0xD
.
.
.
0x2
0x1
0x0
N/A
N/A
N/A
.
.
.
N/A
N/A
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
100%
0%
Waveform/Data source
Driving Strength in ENV GEN
[%]
Data format for ERM and LRA
ACCELERATION_EN = 1
4 bits
uns.
8 bits
2's c.
Drive negative direction
Figure 31: Overview of Data Formats with Acceleration Enabled
5.9.1
DRO Mode
DRO data is supplied from I2C and is interpreted as 8-bit two
’s complement signed number.
● For ACCELERATION_EN = 0:
○ The most negative value corresponds to -100 % driving strength.
○ The most positive value corresponds to +100 % driving strength.
○ A zero value corresponds to no drive.
○ The full range is between 127 (100 %) and -127 (-100 %), with -128 interpreted as -127 to
keep the ranges symmetrical.
● For ACCELERATION_EN = 1:
○ Negative values are omitted and substituted with zero.
○ The most positive value corresponds to +100 % driving strength.
○ Zero value corresponds to no drive.



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