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AL2100-DS00-R 数据表(PDF) 27 Page - Broadcom Corporation. |
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AL2100-DS00-R 数据表(HTML) 27 Page - Broadcom Corporation. |
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27 / 52 page ![]() Preliminary Data Sheet AL2100 11/11/02 Broa d c om Co rp o r a ti o n Document AL2100-DS01-405-R 100base-Tx PHY Registers Page 19 AUTO-NEGOTIATION ADVERTISEMENT REGISTER AUTO-NEGOTIATION LINK PARTNER ABILITY REGISTER/LINK PARTNER NEXT PAGE MESSAGE Table 10: Register 4: Auto-Negotiation Advertisement Register Bit Description Bit Name Description Mode Default 15 Next Page 1 = Next Page enabled. 0 = Next Page disabled. RW 0 14 Acknowledge This bit is set internally after receiving three consecutive and consistent FLP bursts. RO 0 13:11 Reserved 10 FDFC Full-Duplex Flow Control 1 = Advertise that the DTE (MAC) has implemented both the optional MAC control sublayer and the pause function as specified in Clause 31 and Annex 31B of 802.3u. 0 = MAC does not support flow control. 9 100Base-T4 Technology not supported. This bit always 0 RO 0 8 100Base-TX Full Duplex 1 = 100BaseTX full-duplex capable. 0 = Not 100BaseTX full-duplex capable. RW set by DUPLEX pin 7 100Base-TX 1 = 100BaseTX half-duplex capable. 0 = Not TX half-duplex capable. RW set by DUPLEX pin 6 10Base-T Full Duplex 1 = 10BaseT full-duplex capable. 0 = Not 10BaseT full-duplex capable. RW 0 5 10Base-T 1 = 10BaseT half-duplex capable. 0 = Not 10BaseT half-duplex capable. RW 0 4:0 Selector Field Protocol Selection [00001] = IEEE 802.3. RO 00001 Table 11: Register 5: Auto-Negotiation Link Partner Ability Register/Link Partner Next Page Message Bit Description Bit Name Description Mode Default 15 Next Page 1 = Link partner desires Next Page transfer. 0 = Link partner does not desire Next Page transfer. RO 0 14 Acknowledge 1 = Link Partner acknowledges reception of FLP words. 0 = Not acknowledged by Link Partner. RO 0 13:10 Reserved 9 100Base-T4 1 = 100BaseT4 supported by Link Partner. 0 = 100BaseT4 not supported by Link Partner. RO 0 8 100Base-TX Full Duplex 1 = 100BaseTX full-duplex supported by Link Partner. 0 = 100BaseTX full-duplex not supported by Link Partner. RO 0 7 100Base-TX 1 = 100BaseTX half-duplex supported by Link Partner. 0 = 100BaseTX half-duplex not supported by Link Partner. RO 0 6 10Base-T Full Duplex 1 = 10Mbps full-duplex supported by Link Partner. 0 = 10Mbps full-duplex not supported by Link Partner. RO 0 5 10Base-T 1 = 10Mbps half-duplex supported by Link Partner. 0 = 10Mbps half-duplex not supported by Link Partner. RO 0 4:0 Selector Field Protocol Selection [00001] = IEEE 802.3. RO 00001 |
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