rk3568 adapts to Ethernet -
the transmission speed of RTL8211 Gigabit Ethernet is 1 Gbps (gigabits per second), while the transmission speed of Fast Ethernet is 100 Mbps (hundreds of megabits per second). Second). Therefore, under the same network conditions, Gigabit network can provide higher data transmission rate, which is 10 times faster than 100M network. The higher transmission speeds of Gigabit Ethernet allow data packets to travel faster across the network, providing lower network latency and greater bandwidth.
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提示: 千兆网卡需要25M和125M时钟，时钟信号来源由硬件电阻控制时钟信号来源。
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1. Check the schematic diagram and adapt the chip
Check the schematic diagram carefully to adapt the power-on timing and communication protocol of the network card conversion chip.