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AS5048A/AS5048B

Magnetic Rotary Encoder

14-bit Angular Position Sensor

Datasheet

4.3.3

Register Table

The following registers / functions are accessible over the serial I²C interface.

Address

dec

Name

Access

Type

Bit Nr.

Symbol

Default

Description

7

not used

6

Verify

5

4

3

Burn

2

1

0

Programming Enable

7

:

5

4

I²C address<4>

internally

inverted

:

:

:

0

I²C address<0>

0

7

Zero Position <13>

0

:

:

:

0

Zero Position <6>

0

7

6

5

Zero Position <5>

0

:

:

:

0

Zero Position <0>

0

7

AGC value<7>

1

:

:

:

0

AGC value<0>

0

7

:

4

3

Comp High

0

2

Comp Low

0

1

COF

0

0

OCF

1

7

Magnitude<13>

0

:

:

:

0

Magnitude<6>

0

7

6

5

Magnitude<5>

0

:

:

:

0

Magnitude<0>

0

7

Angle<13>

0

:

:

:

0

Angle<6>

0

7

6

5

Angle<5>

0

:

:

:

0

Angle<0>

0

Angle Value afer ATAN calculation

and zero position adder

Diagnostic flags

Automatic Gain Control value.

0 decimal represents high magnetic field

255 decimal represents low magnetic field

Automatic

Gain

Control

R

250

not used

n.a.

251

Diagnostics

R

Programming

Control

R/W

R/W

+

Program

254

253

not used

n.a.

I²C slave address

slave address consist of 5 programable bits (MSBs)

and the hardware setting of Pins A1 and A2

I²C address <4> is by default not programmed and due

to the inversion defined as '1'

R/W

+

Program

I²C slave

address

21

23

OTP Register

Zero Position

Hi

OTP Register

Zero Position

Low 6 LSBs

R/W

+

Program

not used

reserved

0

Programming control register.

Programming must be enabled before burning the

fuse(s). After programming is an verification mandatory.

See programming procedure.

3

not used

n.a.

Zero Position value high byte

Zero Position remaining 6 lower LSB's

22

not used

R

R

n.a.

Magnitude

Magnitude information afer ATAN calculation

252

not used

n.a.

R

R

Angle

255

Table 16 Register Map I2C