AS5055A datasheet(22/31 Pages) AMSCO

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[v2-06] 2014-Oct-14

AS5055A − Error Monitoring

Alarm Bits

Figure 30:

Alarm Bits

Error Status (0x335A)

For detailed information of the Error Status Register please refer

to “Error Monitoring” on page 22.

System Configuration Register 1 (0x3F20)

The gain setting can be configured in system configuration

gain setting, read out the register, modify the gain setting and

write the new configuration. The factory settings must not be

changed.

Figure 31:

System Configuration Register

The correct operation and communication of the AS5055A is

ensured by several error flags. Every read access is supported

by a communication error flag (EF) to indicate a transmission

error in a previous host transmission.

For additional information on the Error Status, please refer to

the application note AN5000_ErrorMonitoring.

Alarm Hi

Alarm Lo

Description

AGC level is higher than the minimum value and lower than the maximum

value.

AGC level is higher than the maximum level. The magnetic field is too weak.

AGC level is lower than the minimum level. The magnetic field is too strong.

Indicates if a major system error has occurred during the last READ ANGLE

command or if the WOW flag is active. During active WOW a READ ANGLE

command must not be sent. Error flags can be read out with the

error status register.

Name

Read/Write

Bit Position

Description

Resolution

13:12

00 indicates 12 bit resolution

Chip ID

11:9

Silicon version 010

Factory Setting

R/W

8:5

Don't change

Gain

R/W

4:3

Sets gain setting

Factory Setting

R/W

2:0

Don't change

Error Monitoring

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