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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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KSZ9563RNXC 数据表(PDF) 81 Page - Microchip Technology |
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KSZ9563RNXC 数据表(HTML) 81 Page - Microchip Technology |
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81 / 226 page  2017-2018 Microchip Technology Inc. DS00002419D-page 81 KSZ9563R 5.1.4.19 Address Lookup Table Entry Index 2 Register 5.1.4.20 Unknown Unicast Control Register The following three registers control forwarding of packets with 1) unknown unicast destination address, 2) unknown multicast destination address, and 3) unknown VLAN ID. If a received packet falls into more than one of these categories, the precedence is: 1. Unknown VID 2. Unknown Unicast 3. Unknown Multicast Address: 0x031A - 0x031B Size: 16 bits Bits Description Type Default 15:10 RESERVED RO 0000_00 9:0 CPU Access Index Whenever there is an external read or write to the Address Lookup Table, the bucket address of the access is reported here. RO 0x000 Address: 0x0320 - 0x0323 Size: 32 bits Bits Description Type Default 31 Unknown Unicast Packet Forward 1 = Enable forwarding of unknown unicast packets to the ports specified below 0 = Disable unknown unicast packet forwarding R/W 0b 30:3 RESERVED RO 0x0000000 2 Unknown Unicast Forwarding Port 3 1 = Forward unknown unicast packets to port 3 0 = Do not forward to that port R/W 0b 1 Unknown Unicast Forwarding Port 2 1 = Forward unknown unicast packets to port 2 0 = Do not forward to that port R/W 0b 0 Unknown Unicast Forwarding Port 1 1 = Forward unknown unicast packets to port 1 0 = Do not forward to that port R/W 0b |
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