LEON-XCKU-EX-UM
Jan 2022, Version 1.1
6
Cobham Gaisler AB
Kungsgatan | SE-411 19 | Goteborg | Sweden
+46 31 7758650 | www.caes.com/gaisler
LEON-XCKU-EX
2.2
Configurations
The bitstream is available for download from https://www.gaisler.com/LEON-XCKU
Note:
The configurations above are examples on how to use the GRLIB IP cores on Xilinx Kintex
Ultrascale. All IP cores have several configuration parameters and are individually configurable.
Note:
While software may report that fault-tolerance is enabled for the example designs, the bit
-
streams are not suitable for use in environments with radiation effects.
Table 2.
Example configurations
Configuration name
EX1
EX2
EX3
EX4
XCKU device
040 (KC105)
040 (KC105)
040 (KC105)
040 (KC105)
Processor
LEON5
LEON5
LEON5
LEON5
Number of processor cores 1
1
2
4
Level-1 cache
16+16 KiB
16+16 KiB
16+16 KiB
16+16 KiB
Hardware multiply÷ Yes
Yes
Yes
Yes
Multiply & accumulate
No
No
No
No
Single-vector trapping
Yes
Yes
Yes
Yes
Power down mode
Yes
Yes
Yes
Yes
Memory Management Unit Yes
Yes
Yes
Yes
Floating Point Unit
GRFPU5
NanoFPU
GRFPU5
NanoFPU
Debug Support Unit
Yes
Yes
Yes
Yes
Level-2 cache
Yes
Yes
Yes
Yes
UART Debug Link
Yes
Yes
Yes
Yes
JTAG Debug Link
Yes
Yes
Yes
Yes
Ethernet MAC 10/100/1000
Mbit
Yes
Yes
Yes
Yes
Memory Controller
Xilinx DDR4 MIG Xilinx DDR4 MIG Xilinx DDR4 MIG Xilinx DDR4 MIG
Standard peripherals
Yes
Yes
Yes
Yes