Specifications

Embedded System Tools Guide (EDK 6.2i) www.xilinx.com 69
UG111 (v1.4) January 30, 2004 1-800-255-7778
BSB Flow
R
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Selecting External Memories and I/O Devices
The Base System Builder will determine what external memory and peripheral devices are
available on your development board. For each device found, the user may indicate
whether or not they want to use that device by clicking on the checkbox next to the device
name. If a device interface is enabled, the user must select from a list of IP cores which can
be used to control that device. BSB will instantiate the selected core in the system, connect
it to the appropriate bus, and automatically set any parameters which are dictated by the
on-board device that that core is controlling. For ease of use, most core parameter values
can not be explicitly set by the user in the BSB GUI. The BSB wizard is designed to select
default parameter values which will create a functional base system on a specific
development board. If needed, users may manually change the parameter values in the
generated MHS file.
For each device interface enabled, BSB will create the necessary top-level system ports and
assign to them the correct FPGA pin locations in a generated UCF file.
Depending on the number of devices on the board, the IO Devices Selection panel may
span across several wizard pages. The Back button can be used to view or edit previous
selections at any time while the wizard is active.