MIPI D-PHY IP User Guide: Agilex™ 5 FPGAs

ID 817561
Date 7/08/2024
Public
Document Table of Contents

6.1.3. Core Register Bus

The D-PHY IP allows the AXI-Lite client bus interface to be shared with an external IP to conserve resources.

A typical use-case would be the connection of the TG block. The TG block does not require any AXI-Lite interface, just a simple register bus defined below.

Table 22.  Core Register Interface
Signal Direction Width Description
reg_wr_en_o Output 1 Register write enable.
reg_rd_en_o Output 1 Register read enable.
reg_raddr_o Output 11 Read address.
reg_waddr_o Output 11 Write address.
reg_be_o Output 4 Byte enables.
reg_din_o Output 32 Write data input.
reg_dout_i Input 32 Read data output.