7. AXI4-Lite GPIO Peripheral and DDR Memory Controller
The chapter focuses on AXI4-Lite GPIO peripherals and DDR memory controllers, detailing their architectures, operations, and applications in SoC designs. AXI4-Lite provides a low-overhead communication protocol ideal for GPIO, while DDR memory controllers manage high-speed data transfers with external memory. Both components are crucial for efficient control and performance in embedded systems across various applications.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- AXI4-Lite is a simplified protocol suitable for low-throughput peripherals like GPIO.
- The architecture of AXI4-Lite GPIO typically includes data, direction, control, and interrupt registers.
- DDR memory controllers are essential for managing high-speed memory operations in SoCs.
Key Concepts
- -- AXI4Lite
- A lightweight protocol designed for low-throughput peripherals that require simple read/write access.
- -- GPIO
- General Purpose Input/Output; pins used in an SoC for interfacing with various devices.
- -- DDR Memory
- Dynamic RAM that transfers data on both the rising and falling edges of the clock signal, allowing for faster data transfer rates.
- -- Memory Controller
- A component that manages read and write operations between the CPU and memory, ensuring efficient data transfer.
Additional Learning Materials
Supplementary resources to enhance your learning experience.