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Broadcom USB 2380 AB vs AA summary of changes User guide

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USB 2380 AB vs. AA Changes Summary
© PLX Technology, www.plxtech.com Page 1 of 1 06June12; v1.0
Introduction
USB 2380AB is a metal-only mask revision for USB 2380AA silicon. The AB silicon revision corrects a
number of issues that were found during testing and validation of the USB 2380AA device. These changes
are described below. Refer to the USB 2380 Errata documentation for details,
http://www.plxtech.com/products/usbcontrollers/usb2380.
USB 2380AA Documented Errata Corrected in USB 2380AB Silicon
Erratum #
Description
Risk
Category
Corrected in
AB
Err_1
Enabling ASPM L0s (and L1) on PCI Express ports causes
spurious ERR_CORR messages to be transmitted.
Low
No
Err_2
DMA channel for USB OUT endpoint may hang under
specific conditions
Med
Yes
Err_3
DMA channel for USB IN endpoint may hang under specific
conditions
Med
Yes
/