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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DP83821 датащи(PDF) 72 Page - National Semiconductor (TI) |
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DP83821 датащи(HTML) 72 Page - National Semiconductor (TI) |
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72 / 86 page  72 www.national.com 4.0 Register Set (Continued) 4.2.42 TBI Auto-Negotiation Expansion Register This register is a read-only register indicating if a new base page from the link partner has been received and if the local device is next page able. Writes to this register have no effect. 4.2.43 TBI Extended Status Register This is a read-only register indicating all modes of operation for the local device. Writes to this register have no effect. Tag: TANER Size: 32 bits Hard Reset: 00000000h Offset: 00F0h Access: Read Only Soft Reset: 00000000h bit tag description usage 15-3 unused - returns 0 2 Next Page Able Local Device supports the Next Page Function When set to a 1, this bit indicates that the local device supports the Next Page function. 1 Page Received New Page Received from Link Partner When set to a 1, this bit indicates that a new page has been received from the link partner and stored in the applicable auto- negotiation link partner ability register or next page register. 0 unused - returns 0 Tag: TESR Size: 32 bits Hard Reset: 0000C000h Offset: 00F4h Access: Read Only Soft Reset: 0000C000h bit tag description usage 15 1000BASE-X Full Duplex Full Duplex 1000BASE-X Capable Read-only bit, set to a 1, indicating that the local device is able to perform full duplex, 1000BASE-X operations. 14 1000BASE-X Half Duplex Half Duplex 1000BASE-X Capable Read-only bit, set to a 1, indicating that the local device is able to perform half duplex, 1000BASE-X operations. 13-0 unused - returns 0 |
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