$display ("T=%0t Store addr=0x%0h wr=0x%0h data=0x%0h", $time, item.addr, item.wr, item.wdata) So the scoreboard has a "memory" element which updates it same data is received when the same address is read at any later point stores data it receives for each address, scoreboard helps to check if the The scoreboard is responsible to check data integrity. object and send it to the scoreboard when the transaction valid transaction and if yes, capture info into a class
Check forever at every clock edge to see if there is a Mailbox scb_mbx // Mailbox connected to scoreboard captures information into a packet and sends it to the scoreboard the events happening on the interface. The monitor has a virtual interface handle with which it can monitor Else store data to addr for valid writes If reset is asserted, clear the memory element Some memory element to store data for each addr can be started during that time indicated by "ready"
data is received on the next clock, and no transactions in a single clock along with the address while read Note that in this protocol, write data is provided Let us look at a practical SystemVerilog testbench example with all those verification components and how concepts in SystemVerilog has been used to create a reusable environment.
In a previous article, concepts and components of a simple testbench was discussed.
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