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Understanding of AMBA, AHB, APB and Axi
2022-07-06 12:01:00 【csdndulala】
- Background knowledge
AHB(Advanced High-performance Bus), High speed bus , Used to connect high-speed peripherals .APB (Advanced Peripheral Bus) Low speed bus , Used to connect low-speed peripherals .
https://zhuanlan.zhihu.com/p/157808097
AMBA、AHB、APB、AXI Bus introduction and comparison
https://zhuanlan.zhihu.com/p/161077476
- Personal understanding Welcome to correct
AMBA Is the bus system : Include AHB、APB、AXI
AHB Than APB Fast
AXI Than AHB Support simultaneous reading and writing , More powerful
therefore CPU And peripherals AXI Connect , Peripherals can pass X2P(AXI <->AHB) And AHB Bus connection , Other peripherals can also be connected AHB, Slow peripheral passing H2P(AHB <->APB) And AHB Bus connection
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