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DP83907 датащи(PDF) 1 Page - National Semiconductor (TI) |
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DP83907 датащи(HTML) 1 Page - National Semiconductor (TI) |
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1 / 70 page ![]() TLF12082 PRELIMINARY November 1995 DP83907 ATLANTIC TM II General Description The DP83907 Twisted-Pair Enhanced Coaxial Network In- terface Controller is a CMOS VLSI device designed for easy implementation of CSMACD local area networks Unique to the DP83907 is the integration of the entire bus interface for PCAT ISA (Industry Standard Architecture) bus based systems Hardware and software selectable options allow the DP83907’s bus interface to be configured in the same manner as an NE2000 Architecture All bus drivers and control logic are integrated to reduce board cost and area Supported network interfaces include 10BASE5 or 10BASE2 Ethernet via an external transceiver connected to its AUl port and Twisted-pair Ethernet (10BASE-T) using the on-board transceiver The DP83907 provides the Ether- net Media Access Control (MAC) Encode-Decode (ENDEC) with an AUl interface and 10BASE-T transceiver functions in accordance with the lEEE 8023 standards The DP83907’s integrated 10BASE-T transceiver fully com- plies with the IEEE standard This functional block incorpo- rates the receiver transmitter collision heartbeat loop- back jabber and link integrity blocks as defined in the stan- dard The transceiver when combined with equalization re- sistors transmitreceive filters and pulse transformers pro- vides a complete physical interface from the DP83907’s ENDEC module and the twisted pair medium (continued) Features Y Controller and integrated bus interface solution for IEEE 8023 10BASE5 10BASE2 and 10BASE-T Y Software compatible with industry standard Ethernet Adapters Novell ’s NE2000 Y No external bus logic or drivers needed Y Supports jumpered or jumperless configuration Y Provides EEPROM interface for non-volatile storage of configuration data user-defined data and Ethernet Physical Address Y Allows in-situ programming of EEPROM Y Integrated controller ENDEC and transceiver Y Full IEEE 8023 compliant AUI interface Y Single 5V supply 10BASE-T TRANSCEIVER MODULE Y Integrates transceiver functionality Y Transmitter and receiver functions Y Collision detect heartbeat and jabber Y Selectable link integrity test or link disable Y Polarity DetectionCorrection Y Auto switch Y On chip filter ENDEC MODULE Y 10 Mbits Manchester encodingdecoding Y Squelch on receive and collision pairs MACCONTROLLER MODULE Y Software compatible with DP8390 DP83901 DP83902 Y Efficient buffer management implementation IN-CIRCUIT TEST 10 System Diagram TLF12082 – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation ATLANTICTM is a trademark of National Semiconductor Corporation Ethernet is a registered trademark of Xerox Corporation NetWareTM is a trademark of Novell Incorporated Novell is a registered trademark of Novell Incorporated C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
Аналогичный номер детали - DP83907 |
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Аналогичное описание - DP83907 |
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