Specifications

246 www.xilinx.com Embedded System Tools Guide (EDK 6.2i)
1-800-255-7778 UG111 (v1.4) January 30, 2004
Chapter 16: Microprocessor Peripheral Description (MPD)
R
ADDR_TYPE
The ADDR_TYPE keyword identifies an address parameter of a defined memory class.
Format
PARAMETER C_BASEADDR=0xFFFFFFFF, MIN_SIZE=0x2000, ADDR_TYPE=REGISTER
The following table lists ADDR_TYPE values:
ASSIGNMENT
The ASSIGNMENT keyword defines assignment usage level.
Format
PARAMETER C_HAS_EXTERNAL_XIN=0, DT=integer, ASSIGNMENT=OPTIONAL
The following table lists ASSIGNMENT values:
BITWIDTH
The BITWIDTH keyword defines the bit width of an address parameter. If not specified,
the bit width is calculated from the default value.
Format
PARAMETER C_BASEADDR=0xFFFFFFFF, BITWIDTH=32
BRIDGE_TO
The BRIDGE_TO keyword Allows address to be visible through the bridge.
Format
PARAMETER C_BASEADDR=0xFFFFFFFF, BRIDGE_TO=SOPB
Table 16-12: ADDR_TYPE Values
ADDR_TYPE Definition
BRIDGE Address window on the bridge
MEMORY Address of the memories it is connected to
REGISTER Address of its own registers (default)
Table 16-13: ASSIGNMENT Values
ASSIGNMENT Definition
CONSTANT The value is a constant. User and the EDK batch tools are not
allowed to modify the value.
OPTIONAL If user does not specify a value, the EDK batch tools will use the
default
REQUIRE User must specify a value
UPDATE User is not allowed to specify a value and the EDK batch tools
will compute the value