Glossary Buses

Buses Terms

On-chip and off-chip data buses (AHB, AXI, APB, PCIe, etc.).

9 terms in this category.

A D M P Q

Address Bus The address bus is a set of signal lines, or in modern systems an address phase within a bus protocol or internal fabric, used by a processo...
AHB AHB (Advanced High-performance Bus) is a high-speed, pipelined on-chip bus from ARM's AMBA specification, designed to connect processors, me...
AMBA AMBA (Advanced Microcontroller Bus Architecture) is a freely available, on-chip interconnect specification from ARM that defines how process...
APB APB (Advanced Peripheral Bus) is a low-speed, low-power bus in ARM's AMBA bus architecture, designed to connect peripheral devices such as U...
AXI AXI (Advanced eXtensible Interface) is a high-performance, point-to-point on-chip bus protocol defined by ARM as part of the AMBA specificat...

Data Bus A data bus is a set of parallel signal lines that transfer data between two or more components in a system, such as a CPU, memory, and perip...

Modbus Modbus is an open communication protocol originally developed by Modicon in 1979 for communication between programmable logic controllers (P...

PCI Express PCI Express (PCIe) is a high-speed serial point-to-point interconnect standard used to connect processors, FPGAs, GPUs, storage controllers,...

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