AS5050A datasheet(21/31 Pages) AMSCO

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ams Datasheet

Page 21

[v2-06] 2014-Oct-14

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AS5050A − Registers

Possible Conditions which force the Error Flag to be set:

• Wrong parity

• Wrong command

• Wrong number of clocks

Note(s): If the error flag is set to 1 because of a communication

problem the flag remains set until a Clear Error Flag Command

is executed.

No Operation (0x0000)

The No Operation (NOP) command represents a dummy write

to the AS5050A. If no error happens the chip responds with

0x0000.

Figure 27:

NOP Command

AGC – Automatic Gain Control (0x3FF8)

Writing a value different than zero to this register, stops the AGC

loop and keeps a constant AGC value.

Figure 28:

AGC

Angular Data (0x3FFF)

Figure 29:

Angular Data

Bit

98765

Content

0PAR

Name

Read/Write

Bit Position

Description

AGC

R/W

5:0

Automatic Gain Control value

Name

Read/Write

Bit Position

Description

Alarm Lo

Alarm flag, which indicates a too weak magnetic field

Alarm Hi

Alarm flag, which indicates a too strong magnetic field

Angle Value

9:0

Angular value in 10 bit binary code

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