Integrated AHB to APB Bridge Using Raspberry Pi and Artix-7 FPGA

Abstract

This project focuses on the design and implementation of an AHB to APB Bridge for efficient communication in System-on-Chip (SoC) architectures. The Advanced High-performance Bus (AHB) is used for high-speed operations, typically connecting processors and memory, while the Advanced Peripheral Bus (APB) is optimized for low-power, low-speed peripheral devices. The AHB to APB Bridge serves as an interface that converts complex, high-speed AHB transactions into simpler, single-cycle APB transactions, enabling seamless data transfer between fast components and slower peripherals. The bridge manages clock domain synchronization, transaction conversion, and flow control, ensuring compatibility between AHB's burst transfers and APB's non-pipelined protocol. Implemented in Verilog and simulated on FPGA using Xilinx Vivado, this bridge design provides a robust solution for integrating high-performance and low-power components within a single SoC. This project also evaluates the bridge's functionality and performance through testbenches covering various operational scenarios, validating its efficiency in handling diverse system requirements.