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DesignWare ARC AXC003 CPU Card User Guide
Detailed Core Configurations
Synopsys, Inc.
Version 6323-018
May 2017
Configuration
Option
Description
HS36
HS38x2
Bus
Interface
Unit
biu_mem_bus_num
Number of memory busses (ignored if
system-level cache is present)
2
1
biu_mem_bus_
option
Protocol to connect to external memory
AXI
AXI
biu_mem_bus_data_
w
Data width of the memory busses
64
64
biu_per_bus_
option
Protocol to connect to external peripherals
AXI
AXI
biu_dmi_bus_num
Valid when one of the following is configured:
iccm0_dmi
iccm1_dmi
dccm_dmi
1
n/a
biu_dmi_bus_
option
Protocol to access CCMs from external bus
devices
AXI
AXI
biu_dmi_bus_data_
w
Data width of the DMI busses
64
64
biu_ioc_bus_num
The number of I/O coherency busses.
0
1
biu_ioc_bus_axi_
idw
This specifies the AXI ID width of the IOC
bus.
n/a
16
Coherency Unit
-
+
has_coherent_dma
Coherent I/O through the system bus
-
True
stb_entries
Maximum number of active coherency
transactions
-
8
System-level cache
-
+
slc_size
SLC size in bytes
-
524288
slc_line_size
SLC line size
-
64
slc_ways
Number of SLC ways
-
4
slc_tag_banks
Number of tag banks
-
4
slc_tram_delay
Cycle delay for the tag RAM
-
2
slc_data_banks
Number of SLC data banks
-
8
slc_dram_delay
Cycle delay for the data RAM
-
3
slc_data_
halfcycle_steal
Adds a register in front
of slc_data_ram
and
clocks
slc_data_ram
on negative edge. Use
only when
slc_data_size
>= 512KB
-
false