TN8044AH-R0117 datasheet(62/65 Pages) INNOVASIC

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IA8044/IA8344

Data Sheet

SDLC Communications Controller

March 30, 2010

IA211010112-04

http://www.Innovasic.com

UNCONTROLLED WHEN PRINTED OR COPIED

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Page 62 of 65

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Errata

9.1

Summary

Table 60 presents a summary of errata in the IA8044/IA8344 controller.

Table 60. Summary of Errata

Errata

No.

Problem

Ver. 3

Cannot read internal ROM with EPROM verification method.

Exists

The device has a different pullup value than the Intel version.

Exists

The device responds to an idle flag one bit time too early.

Exists

Under certain conditions the SIU will overwrite the RCB register when starting a

transmission.

Exists

9.2

Detail

Errata No. 1

Problem:

Cannot read internal ROM with EPROM verification method.

Description:

The IA8044/IA8344 does not contain internal EPROM and therefore does not

support the EPROM read feature.

Workaround:

Must use alternate method to read internal ROM.

Errata No. 2

Problem:

The device has a different pullup value than the Intel version.

Description:

The Intel version can source more current than the IA8044/IA8344.

Workaround:

Adjust external circuits if necessary.

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