AR# 52627

14.3 - EDK , 7-series AXI_DDRx - ERROR:Pack:2310 - Too many comps of type "XADC" found to fit this device.

描述

In XPS 14.3 I am receiving the following error when I attempt to implement my design.

ERROR:Pack:2310 - Too many comps of type "XADC" found to fit this device.

ERROR:Map:237 - The design is too large to fit the device. Please check the Design Summary section to see which resource requirement for

your design exceeds the resources available in the device. Note that the number of slices reported may not be reflected accurately as

their packing might not have been completed.

Number of XADCs: 2 out of 1 200% (OVERMAPPED)

解决方案

Generally, this occurs when there is a user-created XADC IP in the design as well as the axi_7series_ddrx IP.

The axi_7series_ddrx attempts to use the XADC as well.

This can result in the over-mapped scenario.

In some cases for XPS 14.3, this scenario can occur even when the axi_7series_ddrx has the XADC feature disabled.

To view the option to turn off the XADC, follow the steps below:

1. Right click on the axi_7series_ddrx IP in an XPS design and select "Configure IP..."

2. At the XADC Instantiation selection, select "Disabled", and finish clicking through the GUI.

3. Reopen the GUI; the XADC Instantiation still says "Enabled".

4. If you attempt to compile the design after setting it to "Disabled" you will still have the extra XADC instance.

For XPS 2012.3/14.3, if the design has axi_xadc, the axi_xadc has the ability to drive a temp mon out bus to the axi_7series_ddrx.

Connecting this signal to the temp mon input bus of axi_7series_ddrx will automatically set PARAMETER C_USE_EXTERNAL_XADC = 1.

axi_7series_ddrx cores can also be daisy chained when multiple memory controllers are in the system.

The Daisy chaining feature is available in 2012.3/14.3.

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AR# 52627
日期	10/15/2014
状态	Active
Type	综合文章
IP	AXI External Memory Controller

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