cva6/docs/04_cv32a65x/design/source/port_multiplier.adoc

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////
Copyright 2024 Thales DIS France SAS
Licensed under the Solderpad Hardware License, Version 2.1 (the "License");
you may not use this file except in compliance with the License.
SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
You may obtain a copy of the License at https://solderpad.org/licenses/
Original Author: Jean-Roch COULON - Thales
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[[_CVA6_multiplier_ports]]
.*multiplier module* IO ports
|===
|Signal | IO | Description | connexion | Type
|`clk_i` | in | Subsystem Clock | SUBSYSTEM | logic
|`rst_ni` | in | Asynchronous reset active low | SUBSYSTEM | logic
|`trans_id_i` | in | Multiplier transaction ID | Mult | logic[CVA6Cfg.TRANS_ID_BITS-1:0]
|`mult_valid_i` | in | Multiplier instruction is valid | Mult | logic
|`operation_i` | in | Multiplier operation | Mult | fu_op
|`operand_a_i` | in | A operand | Mult | logic[CVA6Cfg.XLEN-1:0]
|`operand_b_i` | in | B operand | Mult | logic[CVA6Cfg.XLEN-1:0]
|`result_o` | out | Multiplier result | Mult | logic[CVA6Cfg.XLEN-1:0]
|`mult_valid_o` | out | Mutliplier result is valid | Mult | logic
|`mult_ready_o` | out | Multiplier FU is ready | Mult | logic
|`mult_trans_id_o` | out | Multiplier transaction ID | Mult | logic[CVA6Cfg.TRANS_ID_BITS-1:0]
|===