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Errata: CS5461A - Silicon revision: B
Reference CS5461A Data Sheet revision DS661F1 dated AUG 2005.
Determining the Silicon Revision of the Integrated Circuit
On the front of the integrated circuit, directly under the part number, is an alpha-numeric line. For this device
only, characters 3 and 4 in this line represent the silicon revision of the chip. For example, the following line
indicates that the chip is a “B” revision device:
AA BX LLYYWW
Work Week
Year
Lot
Revision (AX = revision A)
Assembly Code
The purpose of this errata is to demonstrate the differences between revision A and revision B of the device.
The data sheet referenced above is correct for the revision B devices.
Status Register
Description (revision A)
In revision A silicon, some of the lower status bits (e.g. VSAG ) in the Status register do not latch (remain set
until cleared) when an "alert" condition occurs.
Correction (revision B)
All bits in the Status register except E1 and E2 were made "sticky bits". Therefore when an "alert" condition
occurs the status bit is set and can only be cleared if a one is written to the status bit or an instruction
command is written to the device.
Cirrus Logic, Inc.
http://www.cirrus.com
Copyright ? Cirrus Logic, Inc. 2005
(All Rights Reserved)
OCT ‘05
ER661B1
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