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AS5403D-HTST Datasheet(PDF) 34 Page - ams AG

No. de pieza AS5403D-HTST
Descripción Electrónicos  3D Hall Position Sensor for Linear and Off-Axis Applications
PDF  66 Pages
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Fabricante Electrónico  AMSCO [ams AG]
Página de inicio  http://www.ams.com
Logo AMSCO - ams AG

AS5403D-HTST Datasheet(HTML) 34 Page - ams AG

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ams Datasheet
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[v1-06] 2015-Aug-28
AS5403A/D/E − Programming the AS5403
Programming Procedure
The EEPROM programming is possible over the SPI or UART
interface. A page write/read mode with 64 pages 8 words each
is implemented.
Figure 40:
Page Mode Address
Page Write mode procedure:
1.
Write 0x00 on address 0x2FF (START DSP = 0)
2.
Write the EEPROM words (SPI/UART) inside a page
(min 1 max 8 words)
3.
Write 0x0003 on address 0x2FF (CFG_EPP=11)
4.
Wait for 10 ms
5.
Repeat from 2. for further programming.
It is important that the write access to the selected EEPROM
page are consecutive: a write command in a different page or
a read command before writing CFG_EPP will delete the data.
A writing to factory reserved area will be ignored.
After programming it is mandatory to read back the EEPROM
content and to download again the EEPROM to avoid
misalignment with the mirror registers. This can be done with
a power up or writing 0x0004 on address 0x2FF
(EE_DWNL SFR).
The programming procedure is not allowed in case Customer
Lock word is 0x55AA after EEPROM download (mask_fuse=1).
Lock Procedure and Signature Calculation
The AS5403 contains a signature diagnostic function for the
EEPROM. This signature is calculated in the AS5403 during
power up and is compared to the calculated signature directly
after the end of line calibration by the customer. A deviation
leads to an error indication in the diagnostic flag or into the
failure band mode at the output. The signature check is enabled
in case of a locked device by the user.
Address
Page
0x000 - 0x007
1
0x008 - 0x00F
2
::
0x1F8 - 0x1FF
64



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