How Does CamThink's NeoEyes NE301 PoE Use W5500 for Wired Ethernet?
NE301 PoE uses W5500 in MACRAW mode for wired Ethernet, while STM32N657 runs vision inference and lwIP and a separate circuit handles PoE power.
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Components
Hardware components
WIZnet - W5500
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Wired Ethernet controller on the NeoEyes NE301 PoE expansion board, used in MACRAW mode as the frame interface to lwIP on the STM32N657
Project description
📌 Overview CamThink's NeoEyes NE301 PoE is a commercial edge AI camera that combines on-device vision inference with wired Ethernet and power over one cable. The STM32N657 runs the image pipeline and neural-network inference. WIZnet W5500 provides the wired Ethernet interface on the PoE expansion board. A separate PoE circuit converts cable power for the camera. This division of work is the product's most useful design lesson. W5500 does not run object detection, and the camera does not need to send every frame to a cloud GPU before making a decision. The main MCU can process the scene…
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