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DM8603EP датащи(PDF) 21 Page - Davicom Semiconductor, Inc. |
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DM8603EP датащи(HTML) 21 Page - Davicom Semiconductor, Inc. |
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21 / 107 page ![]() DM8603 10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface Preliminary datasheet 21 DM8603-12-DS-P01 November 8, 2010 6.7 Auto-negotiation Link Partner Ability Register (045h, 065h) PHY_ADR REG_ADR ABS_ADR 02h, 03h 05h 045h, 065h Bit Bit Name Default Description 15 NP RO 0b Next Page Indication 0 = Link partner, no next page available 1 = Link partner, next page available 14 ACK RO 0b Acknowledge The DM8603's auto-negotiation state machine will automatically control this bit from the incoming FLP bursts. Software should not attempt to write to this bit 1 = Link partner ability data reception acknowledged 0 = Not acknowledged 13 RF RO 0b Remote Fault 1 = Remote fault indicated by link partner 0 = No remote fault indicated by link partner 12:11 RESERVED RO 00b Reserved Write as 00b, ignore when read 10 FCS RO 0b Flow Control Support 1 = Controller chip supports flow control ability by link partner 0 = Controller chip doesn’t support flow control ability by link partner 9 T4 RO 0b 100BASE-T4 Support 1 = 100BASE-T4 is supported by the link partner 0 = 100BASE-T4 is not supported by the link partner 8 TX_FDX RO 0b 100BASE-TX Full Duplex Support 1 = 100BASE-TX full duplex is supported by the link partner 0 = 100BASE-TX full duplex is not supported by the link partner 7 TX_HDX RO 0b 100BASE-TX Support 1 = 100BASE-TX half duplex is supported by the link partner 0 = 100BASE-TX half duplex is not supported by the link partner 6 10_FDX RO 0b 10BASE-T Full Duplex Support 1 = 10BASE-T full duplex is supported by the link partner 0 = 10BASE-T full duplex is not supported by the link partner 5 10_HDX RO 0b 10BASE-T Support 1 = 10BASE-T half duplex is supported by the link partner 0 = 10BASE-T half duplex is not supported by the link partner 4:0 Selector RO 0h Protocol Selection Bits Link partner’s binary encoded protocol selector |
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