Data Sheet

fido5100/fido5200

SILICON ANOMALY

analog.com

Rev. G | 20 of 21

This anomaly list describes the known bugs, anomalies, and workarounds for the fido5100/fido5200.

Analog Devices, Inc., is committed, through future silicon revisions, to continuously improving silicon functionality. Analog Devices tries

to ensure that these future silicon revisions remain compatible with your present software/systems by implementing the recommended

workarounds outlined here.

FIDO5100/FIDO5200 FUNCTIONALITY ISSUES

Table 18. fido5100/fido5200 Functionality Issues

Silicon Revision Identifier

Silicon Status

Anomaly Sheet

Number of Reported Anomalies

0

Released

Rev. 0

1

FUNCTIONALITY ISSUES

Table 19. Logical Write Errata for the fido5200 [er001]

Background

When using the fido5200, the logical memory read write (LRW) command is not updated correctly.

Issue

Condition: occurs when the output process data objects (PDOs) are not configured.

Impact: the EtherCAT leader reports an invalid working counter.

Root cause: the fido5200 hardware wrongly updates the working counter (WC) for the logical memory read write command when the output

data is not mapped.

Workaround

Option 1: configure one of the receive PDOs of one byte in the EtherCAT slave information (ESI) file or by having the EtherCAT leader use

dynamic PDOs.

Option 2: instead of a logical memory read write, a logical memory read (LRD) can be used when the outputs are not configured. The

logical memory read can be implemented in the ESI file or during the configuration for the EtherCAT leader.

Related Issues

None.