APB4是AMBA几
时间: 2023-09-25 08:14:24 浏览: 125
APB4是AMBA 4 APB。\[1\] AMBA是一种总线体系结构,而APB是AMBA总线体系中的一部分。APB4相比于APB3多了两个信号(PPROT和PSTRB),而APB3相比于APB2多了两个信号(PREADY和PSLVERR)。\[1\] APB是一种低带宽、不需要通过总线接口的高性能外设接口,它优化了最小功率消耗和降低了接口复杂度。\[3\] APB桥作为一个从模块处理总线握手并且从局部外设总线的角度控制信号的时序更新。\[3\] 最新版本的APB规定所有信号的传输只和时钟的上升沿相关,这样可以更容易地集成到任何设计流中。\[3\]
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- *1* [AMBA协议——APB协议](https://blog.csdn.net/qq_45721725/article/details/126753224)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [AMBA APB介绍](https://blog.csdn.net/qq_45159887/article/details/125738685)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
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