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AC101L-DS02-R 数据表(PDF) 32 Page - Broadcom Corporation. |
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AC101L-DS02-R 数据表(HTML) 32 Page - Broadcom Corporation. |
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32 / 54 page ![]() AC101L Preliminary Data Sheet 8/9/04 B roa dcom Co rpo rat ion Page 22 Common Registers Document AC101L-DS06-R REGISTER 24: CRC FOR RECENT RECEIVED PACKET COMMON REGISTERS The following registers are mapped to Reg28-31 on the TP PHY. Reg28.[15:12] is used as page selection. There are multiple pages of Reg29-31, depends on the value of Reg28[15:12]. COMMON REGISTER 0 (MAP TO REG28) MODE CONTROL REGISTER 23.6 MDIX state Only valid when register 23.7 is set to 1. 0 = MDI 1= MDIX RW 0 23.5 Reserved – RO 0 23.[4:0] Reserved – RO XXXXX Table 21: Register 24: CRC for Recent Received Packet Bit Name Description Mode Default 24.[15:0] CRC16 Displays CRC16 value. For system-level test purposes. RC 0000H Table 22: Common Register 0 (Map to Reg. 28) Mode Control Register Bit Name Description Mode Default A.28.[15:12 ] Page Selection Selects multiple common register pages. RW 0000 A.28.[11:7] Reserved Reserved. RO 0000 A.28.6 MII_enable 1 = Enables MII interface. RW 1 A.28.5 Reserved Reserved. RO 0 A.28.4 Reserved Reserved. RW 0 A.28.3 Reserved Reserved. RO 0 A.28.2 Act select Selects activity event. 0 = Receive activity. 1 = TX or RX activity. RW 1 A.28.1 Reserved – RO 0 A.28.0 Reserved – RO 0 Table 20: Register 23: Operation Mode Register (Cont.) Bit Name Description Mode Default |
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