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5CSEBA4U19C7N 产品设计参考手册 - Altera（阿尔特拉）
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Altera（阿尔特拉）
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BGA-484
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5CSEBA4U19C7N数据手册
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Workaround
Use the following software workaround to prevent the Usermode high Icc issue:
• For the Error Detection Cyclic Redundancy Check (EDCRC) user, no workaround is needed because
the EDCRC feature eliminates the high Icc issue.
• For the non-EDCRC user, a software workaround is needed and is available in the Quartus II software
version 12.1 sp1, or later.
Action Needed for Existing Designs (pre-Quartus II version 12.1 sp1)
Specific action is needed when the existing design uses the EDCRC and certain versions of the Quartus II
software. The table below lists the actions needed for different settings.
Table 4: Device and Die Revisions
Design Quartus II Version Action
EDCRC enabled Any None needed.
EDCRC disabled
12.1 only Full recompilation is required using the Quartus II software
version 12.1 sp1, or later release.
Pre-12.1 Full recompilation is NOT needed, but requires the use of
Quartus II software version 12.1 sp1, or later for program‐
ming file conversion.
(1)
Status
Affects: Cyclone V GX, GT, and E devices
Status: No planned fix
False Configuration Failure in Active Serial Multi-Device Configuration x1
Mode
Description
In Active Serial (AS) multi-device configuration x1 mode, the error checking for CONF_DONE release may
not operate correctly. Because of this, false configuration errors may result. The failure is indicated by
CONF_DONE going high followed by nSTATUS going low and reconfiguration repeatedly initiated.
Workaround
To overcome this issue, perform the following steps:
1. Disable the CONF_DONE error checking in AS multi-device configuration mode:
(1)
Convert the existing SOF file to RBF, POF, JIC, or another format using Convert Programming File,
under the File menu of the Quartus II software.
ES-1035
2015.09.18
False Configuration Failure in Active Serial Multi-Device Configuration...
5
Cyclone V GX, GT, and E Device Errata
Altera Corporation
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