The APB protocol is a low-cost interface, optimized for minimal power consumption and reduced interface complexity. The APB interface is not pipelined and is a simple, synchronous protocol.

The Advanced Peripheral Bus (APB) is part of the Advanced Microcontroller Bus Architecture (AMBA) protocol family. It defines a low-cost interface that is optimized for minimal power consumption and reduced interface complexity.

The Advanced Peripheral Bus (APB) is a protocol from the Advanced Microcontroller Bus Architecture (AMBA) family, primarily used for low-bandwidth peripherals. The latest version of APB is 2.0, introduced with the AMBA 4 release.

2021年7月1日 · APB的全称：Advanced Peripheral Bus，即先进外设接口 。 AMBA 中的 APB 总线主要用在 低速且低功率消耗 的外围， 在 APB 总线中，唯一的 M 为 APB bridge，其它一些低速和低功率的外围皆为 S。 因此 APB 总线不需要有一个像 AHB 一样的仲裁器及其它复杂的线路，也就是说 APB 总线的整个架构较 AHB 简单许多。 为了使APB容易被整合进大部分的设计流程 …

2023年6月30日 · The Advanced Peripheral Bus (APB) protocol is a fundamental part of ARM’s AMBA (Advanced Microcontroller Bus Architecture) suite. APB is specifically tailored for low-power and...

APB (Advanced Peripheral Bus) is a simple, low-power, and low-cost bus protocol used for interconnecting various types of peripherals with the processor in a SoC (System on Chip) design.

The APB is designed to be a secondary bus to ASB, connected by a bridge (which limits the ASB loading). APB is a much simpler bus and has a low power focus:

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The Advanced Micro controller Bus Architecture (AMBA) bus protocols is a set of interconnect specifications from ARM that standardizes on chip communication mechanisms between various functional blocks (or IP) for building high performance SOC designs.