WCH 
معرفی
The CH390 is an industrial-grade Ethernet controller chip that comes with a built-in 10/100M Ethernet media access control (MAC) and physical layer transceiver (PHY). It supports 10BASE-T connections over CAT3, 4, and 5 cables, as well as 100BASE-TX connections over CAT5 and 6 cables, with HP Auto-MDIX support. It's designed for low power consumption and complies with IEEE 802.3u standards.
مشخصات CH390D
CH390D
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