AM79C972BVD\W AMD (ADVANCED MICRO DEVICES), AM79C972BVD\W Datasheet - Page 3
AM79C972BVD\W
Manufacturer Part Number
AM79C972BVD\W
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.AM79C972BVDW.pdf
(130 pages)
Specifications of AM79C972BVD\W
Operating Supply Voltage (typ)
3.3V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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P C n e t - I S A I I ™ ( A m 7 9 C 9 6 1 A ) , P C n e t - 3 2 ™
( A m 7 9 C 9 6 5 ) ,
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 read from an exter nal 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.
P C n e t - P C I ™
( A m 7 9 C 9 7 0 ) ,
Am79C972
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.
3
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