AS5047U-HTST datasheet(26/51 Pages) AMSCO

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[v1-00] 2018-Oct-30

AS5047U − Detailed Description

Figure 38:

ANGLEUNC (0x3FFE)

Figure 39:

ECC_s (0x3FD0)

Figure 40:

ANGLECOM(0x3FFF)

Non-Volatile Registers (OTP)

The OTP (One-Time Programmable) memory is used to store the

absolute zero position of the sensor and the customer settings

permanently in the sensor IC. SPI write/read access is possible

several times for all non-volatile registers (soft write). Soft

written register content will be lost after a hardware reset. The

programming itself can be done just once. Therefore the

content of the non-volatile registers is stored permanently in

the sensor. The register content is still present after a hardware

reset and cannot be overwritten. For a correct function of the

sensor the OTP programming is not required. If no

configuration or programming is done, the non-volatile

registers are in the default state 0x0000.

Figure 41:

Non-Volatile Register Table

Name

Read/Write

Bit Position

Description

ANGLEUNC

13:0

Angle information without dynamic angle error

compensation

Name

Read/Write

Bit Position

Description

ECC_s

6:0

Calculated ECC checksum

Name

Read/Write

Bit Position

Description

ANGLECOM

13:0

Angle information with dynamic angle error

compensation

Address

Name

Default

Description

0x0015

DISABLE

0x0000

Outputs and filter disable register

0x0016

ZPOSM

0x0000

Zero position MSB

0x0017

ZPOSL

0x0000

Zero position LSB/ MAG diagnostic

0x0018

SETTINGS1

0x0000

Custom setting register 1

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