AS5410 datasheet(20/56 Pages) AMSCO

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[v2-04] 2015-Oct-07

AS5410 − Register Description

The following registers can be addressed by the user via the SPI

interface. Each register is 16-bit wide.

Registers not listed in the table below must not be modified

from their factory programmed setting.

Note(s): “r” are reserved bits, they must not be modified (unless

otherwise noted)

This register controls the sequencer

Figure 25:

Access

Bit

Function

Default

Note

000Bh:

Sequencer

control

R/W

D15

(MSB)

D14

D13

D12

D11

MgRangExt

“Magnet Range Extension”

Enable the algorithm for an extended

position range.

1 = Magnet Range Extension enabled

0 = Magnet Range Extension disabled

D10

CoordSel

“Coordinate System Selection”

1 = The sign of the Lin Ang

(Register 0122h) gets changed if MagDir

(Register 000Bh) = 1

0 = Lin Ang (Register 0122h) gets not

changed

Table

Select 0

These bits allow the selection of 4

different operating modes, stored in 4

individual sequencer tables

Table

Select 1

MagDir

This bit allows to switch the magnet

direction

MagDir = 0: North pole must point in +x

direction (pin 7 to pin1) Default/powerup

mode.

MagDir = 1: North pole must point in -x

direction (pin1 to pin7). Preferred

orientation to permit use of CoordSel bit.

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