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KSZ9567R 数据表(PDF) 111 Page - Microchip Technology |
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KSZ9567R 数据表(HTML) 111 Page - Microchip Technology |
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111 / 233 page  2022 Microchip Technology Inc. and its subsidiaries DS00002329E-page 111 KSZ9567R 5.1.5.9 Static Address and Reserved Multicast Table Control Register This register provides control and index for reading and writing the Static Address Table and the Reserved Multicast Table. The ALU / Static Address Table Entry 1 Register, ALU / Static Address / Reserved Multicast Table Entry 2 Reg- ister, ALU / Static Address Table Entry 3 Register, and ALU / Static Address Table Entry 4 Register are used for the Static Address Table entry values, while only the ALU / Static Address / Reserved Multicast Table Entry 2 Register is used for the Reserved Multicast Table entry value. Refer to Section 5.3.2, "Static Address Table," on page 191 and Sec- tion 5.3.3, "Reserved Multicast Address Table," on page 193 for additional information on these tables. 2 DIRECT 1 = Access by direct addressing the ALU Table. This method is used only for debugging, if at all. 0 = Hashing function is used to index the table. This is the normal method. Refer to the Switch Lookup Engine Control 0 Register. R/W 0b 1:0 ACTION Specifies the action to be taken for the ALU Table entry access 00 = No operation 01 = Write 10 = Read 11 = Search R/W 00b Address: 0x041C - 0x041F Size: 32 bits Bits Description Type Default 31:22 RESERVED RO 0x000 21:16 TABLE_INDEX Bits [21:16] used to index the Reserved Multicast Table Bits [19:16] used to index the Static Address Table R/W 00_0000b 15:8 RESERVED RO 0x00 7 START_FINISH 1 = Start access 0 = Access is finished R/W, SC 0b 6:2 RESERVED R/W 000_00b 1 TABLE_SELECT Specifies which table is being accessed 1 = Access Reserved Multicast Table 0 = Access Static Address Table R/W 0b 0 ACTION Specifies the action to be taken for the table 1 = Read 0 = Write R/W 0b Bits Description Type Default |
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