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LAN9215 Datasheet(PDF) 88 Page - SMSC Corporation |
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LAN9215 Datasheet(HTML) 88 Page - SMSC Corporation |
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88 / 144 page  16-bit Non-PCI 10/100 Ethernet Controller with HP Auto-MDIX Support Datasheet Revision 2.9 (03-01-12) 88 SMSC LAN9215 DATASHEET 5.3.11 RX_FIFO_INF—Receive FIFO Information Register This register contains the used space in the receive FIFOs of the LAN9215 Ethernet Controller. 5.3.12 TX_FIFO_INF—Transmit FIFO Information Register This register contains the free space in the transmit data FIFO and the used space in the transmit status FIFO in the LAN9215. Offset: 7Ch Size: 32 bits BITS DESCRIPTION TYPE DEFAULT 31-24 Reserved RO - 23-16 RX Status FIFO Used Space (RXSUSED). Indicates the amount of space in DWORDs, used in the RX Status FIFO. RO 00h 15-0 RX Data FIFO Used Space (RXDUSED).). Reads the amount of space in bytes, used in the RX data FIFO. For each receive frame, this field is incremented by the length of the receive data rounded up to the nearest DWORD (if the payload does not end on a DWORD boundary). RO 0000h Offset: 80h Size: 32 bits BITS DESCRIPTION TYPE DEFAULT 31-24 Reserved RO - 23-16 TX Status FIFO Used Space (TXSUSED). Indicates the amount of space in DWORDS used in the TX Status FIFO. RO 00h 15-0 TX Data FIFO Free Space (TDFREE). Reads the amount of space in bytes, available in the TX data FIFO. The application should never write more data than is available, as indicated by this value. RO 1200h |
Similar Part No. - LAN9215 |
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Similar Description - LAN9215 |
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