Figure 1. RTL Blackbox Wizard
The RTL Wizard page lets you define the RTL source for the IP. The fields to define include:
- RTL Files
- This option is used to add or remove the pre existing RTL IP files.
- RTL Module Name
- Specify the top level RTL IP module name in this field.
- Performance
- Specify performance targets for the IP.
- Latency
- Latency is the time required for the design to complete. Specify the Latency information in this field.
- II
- Define the target II (Initiation Interval). This is the number of clocks cycles before new input can be applied.
- Resource
- Specify the device resource utilization for the RTL IP. The resource information provided here will be combined with utilization from synthesis to report the overall design resource utilization. You should be able to extract this information from the Vivado Design Suite
Click Next to proceed to the RTL Common Signal page, as shown below.
Figure 2. RTL Common Signals
- module_clock
- Specify the name the of the clock used in the RTL IP.
- module_reset
- Specify the name of the reset signal used in the IP.
- module_clock_enable
- Specify the name of the clock enable signal in the IP.
- ap_ctrl_chain_protocol_start
- Specify the name of the block control start signal used in the IP.
- ap_ctrl_chain_protocol_ready
- Specify the name of the block control ready signal used in the IP.
- ap_ctrl_chain_protocol_done
- Specify the name of the block control done signal used in the IP.
- ap_ctrl_chain_protocol_continue
- Specify the name of the block control continue signal used in the RTL IP.
Click Finish to automatically generate a JSON file for the specified IP. This can be confirmed through the log message as shown below.
Log Message:
"[2019-08-29 16:51:10] RTL Blackbox Wizard Information: the "foo.json" file has been created in the rtl_blackbox/Source folder."The JSON file can be accessed through the Source file folder, and will be generated as described in the next section.