AS5047D datasheet(14/37 Pages) AMSCO

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AS5047D – 14

ams Datasheet: 2014-Jun-27 [v1-02]

De tail ed De sc rip t ion

Figure 17:

SPI Write Transaction

Volatile Registers

The volatile registers are shown in Figure 18. Each register has

a 14-bit address.

Figure 18:

Volatile Register Table

Reading the NOP register is equivalent to a nop (no operation)

instruction for the AS5047D.

Address

Name

Default

Description

0x0000

NOP

0x0000

No operation

0x0001

ERRFL

0x0000

Error register

0x0003

PROG

0x0000

Programming register

0x3FFC

DIAAGC

0x0180

Diagnostic and AGC

0x3FFD

MAG

0x0000

CORDIC magnitude

0x3FFE

ANGLEUNC

0x0000

Measured angle without dynamic angle

error compensation

0x3FFF

ANGLECOM

0x0000

Measured angle with dynamic angle error

compensation

Write ADD[n]

CSn

MOSI

MISO

DATA (x)

DATA (y)

Write (ADDm)

DATA (p)

Next command

DATA (y)

DATA (x)

Command

Data to write into ADD[n]

Data content of ADD[n]

New Data content

of ADD[n]

Data content of ADD[m]

New Data content

of ADD[m]

Data to write into ADD[n]

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