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AM79C960KC Datasheet(PDF) 2 Page - Advanced Micro Devices |
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AM79C960KC Datasheet(HTML) 2 Page - Advanced Micro Devices |
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2 / 127 page  P R E L I M I N A R Y AMD 1-344 Am79C960 The PCnet-ISA controller is designed to directly inter- face with the ISA or EISA system bus. It contains an ISA bus interface unit, DMA Buffer Management Unit, IEEE 802.3 Media Access Control function, individual 136-byte transmit and 128-byte receive FIFOs, IEEE 802.3 defined Attachment Unit Interface (AUI), and a Twisted Pair Transceiver Media Attachment Unit. The PCnet-ISA controller is also register compatible with the LANCE (Am7990) Ethernet controller. The DMA Buffer Management Unit supports the LANCE descriptor soft- ware model. External remote boot and Ethernet physical address PROMs are also supported. This advanced Ethernet controller has the built-in capa- bility of automatically selecting either the AUI port or the Twisted Pair transceiver. Only one interface is active at any one time. The individual 136-byte transmit and 128-byte receive FIFOs optimize system overhead, pro- viding sufficient latency during packet transmission and reception, and minimizing intervention during normal network error recovery. The integrated Manchester en- coder/decoder eliminates the need for an external Serial Interface Adapter (SIA) in the node system. If support for an external encoding/decoding scheme is desired, the embedded General Purpose Serial Interface (GPSI) allows direct access to/from the MAC. In addition, the device provides programmable on-chip LED drivers for transmit, receive, collision, receive polarity, link integ- rity, or jabber status. The PCnet-ISA controller also provides an External Address Detection Interface ™ (EADI ™) to allow external hardware address filtering in internetworking applications. RELATED PRODUCTS Part No. Description Am79C98 Twisted Pair Ethernet Transceiver (TPEX) Am79C100 Twisted Pair Ethernet Transceiver Plus (TPEX+) Am7996 IEEE 802.3/Ethernet/Cheapernet Transceiver Am79C981 Integrated Multiport Repeater Plus ™ (IMR+™) Am79C987 Hardware Implemented Management Information Base ™ (HIMIB™) Am79C940 Media Access Controller for Ethernet (MACE ™) Am7990 Local Area Network Controller for Ethernet (LANCE) Am79C90 CMOS Local Area Network Controller for Ethernet (C-LANCE) Am79C900 Integrated Local Area Communications Controller ™ (ILACC™) Am79C961 PCnet-ISA + Single-Chip Ethernet Controller for ISA (with Microsoft® Plug n’ Play® Support) Am79C965 PCnet-32 Single-Chip 32-Bit Ethernet Controller Am79C970 PCnet-PCI Single-Chip Ethernet Controller (for PCI bus) Am79C974 PCnet-SCSI Combination Ethernet and SCSI Controller for PCI Systems |
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