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AM79C972BKCW Fiches technique(PDF) 3 Page - Advanced Micro Devices |
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AM79C972BKCW Fiches technique(HTML) 3 Page - Advanced Micro Devices |
3 / 130 page Am79C972 3 PC net -ISA I I ™ ( A m7 9C9 61A) , PCne t- 32 ™ ( A m7 9C9 65) , PCne t- PC I ™ ( A m 79C 970) , PCnet-PCI II™ (Am79C970A), and the PCnet-FAST™ (Am79C971). The Buffer Management Unit supports the LANCE and PCnet descriptor software models. The Am79C972 PCnet-FAST+ controller supports auto-configuration in the PCI configuration space. Additional Am79C972 controller configuration parame- ters, including the unique IEEE physical address, can be re ad from an exter n al nonvolatile memor y (EEPROM) immediately following system reset. In addition, the device provides programmable on-chip LED drivers for transmit, receive, collision, link integrity, Magic Packet status, activity, address match, full-du- plex, or 100 Mbps status. The Am79C972 controller also provides an EADI to allow external hardware ad- dress filtering in internetworking applications and a re- ceive frame tagging feature. The Am79C972 PCnet-FAST+ controller contains 12-kilobyte (Kbyte) buffers, the largest of its class of 10/ 100 Mbps Ethernet controllers. The large internal buffer is programmable between the transmit (TX) and receive (RX) queues for optimal performance. With the rise of embedded networking applications op- erating in harsh environments where temperatures may exceed the normal commercial temperature win- dow (0°C to 70°C), an industrial temperature (-40°C to +85°C) version is available in both the 160-pin PQFP and the 176-pin TQFP package. The Am79C972 PCnet-FAST+ 10/100 Mbps Ethernet controller can be designed with the industrial temperature capable Am79C874 NetPHY-1LP 10/100 Mbps Ethernet PHY for a complete and robust Fast Ethernet solution that can withstand extreme temperature environments. |
Numéro de pièce similaire - AM79C972BKCW |
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Description similaire - AM79C972BKCW |
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