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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LAN8740 датащи(PDF) 82 Page - Microchip Technology |
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LAN8740 датащи(HTML) 82 Page - Microchip Technology |
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82 / 136 page  LAN8740A/LAN8740Ai DS00001987A-page 82 2013-2015 Microchip Technology Inc. 4.3 MDIO Manageable Device (MMD) Registers The device MMD registers adhere to the IEEE 802.3-2008 45.2 MDIO Interface Registers specification. The MMD reg- isters are not memory mapped. These registers are accessed indirectly via the MMD Access Control Register and MMD Access Address/Data Register. The supported MMD device addresses are 3 (PCS), 7 (Auto-Negotiation), and 30 (Ven- dor Specific). Table 4-3, "MMD Registers" details the supported registers within each MMD device. TABLE 4-3: MMD REGISTERS MMD Device Address (In Decimal) Index (In Decimal) Register Name 3 (PCS) 0 PCS Control 1 Register 1 PCS Status 1 Register 5 PCS MMD Devices Present 1 Register 6 PCS MMD Devices Present 2 Register 20 EEE Capability Register 22 EEE Wake Error Register 32784 Wakeup Control and Status Register (WUCSR) 32785 Wakeup Filter Configuration Register A (WUF_CFGA) 32786 Wakeup Filter Configuration Register B (WUF_CFGB) 32801 Wakeup Filter Byte Mask Registers (WUF_MASK) 32802 32803 32804 32805 32806 32807 32808 32865 MAC Receive Address A Register (RX_ADDRA) 32866 MAC Receive Address B Register (RX_ADDRB) 32867 MAC Receive Address C Register (RX_ADDRC) 32868 Miscellaneous Configuration Register (MCFGR) 7 (Auto-Negotiation) 5 Auto-Negotiation MMD Devices Present 1 Register 6 Auto-Negotiation MMD Devices Present 2 Register 60 EEE Advertisement Register 61 EEE Link Partner Advertisement Register 30 (Vendor Specific) 2 Vendor Specific MMD 1 Device ID 1 Register 3 Vendor Specific MMD 1 Device ID 2 Register 5 Vendor Specific 1 MMD Devices Present 1 Register 6 Vendor Specific 1 MMD Devices Present 2 Register 8 Vendor Specific MMD 1 Status Register 11 TDR Match Threshold Register 12 TDR Short/Open Threshold Register 14 Vendor Specific MMD 1 package ID 1 Register 15 Vendor Specific MMD 1 package ID 2 Register |
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