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參數(shù)資料
| 型號(hào)： | AM79C974KCW |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems |
| 中文描述： | 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP132 |
| 封裝： | PLASTIC, QFP-132 |
| 文件頁(yè)數(shù)： | 2/153頁(yè) |
| 文件大?。?/td> | 838K |
| 代理商： | AM79C974KCW |
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AMD
P R E L I M I N A R Y
2
Am79C974
The PCnet-SCSI is part of AMD’s PCI product family of
plug-in and software compatible SCSI and Ethernet
controllers. This product compatibility ensures a low
cost system upgrade path and lower motherboard
manufacturing costs.
Ethernet Specific
The PCnet-SCSI controller includes a complete Ether-
net node integrated into a single VLSI device. It contains
a bus interface unit, a DMA buffer management unit, an
IEEE 802.3-defined Media Access Control (MAC) func-
tion, individual 136-byte transmit and 128-byte receive
FIFOs, an IEEE 802.3-defined Attachment Unit Inter-
face (AUI) and Twisted-Pair Transceiver Media Attach-
ment Unit (10BASE-T MAU), and a Microwire EEPROM
interface. The PCnet-SCSI controller is also register
compatible with the LANCE (Am7990) Ethernet control-
ler, the C-LANCE (Am79C90) Ethernet controller, the
ILACC (Am79C900) Ethernet controller, and all Ether-
net controllers in the PCnet Family, including the PCnet-
ISA controller (Am79C960), the PCnet-ISA+ controller
(Am79C961),
and
the
(Am79C965). The buffer management unit supports the
LANCE, ILACC, and PCnet descriptor software models.
The PCnet-SCSI controller is software compatible with
the Novell NE2100 and NE1500 Ethernet adapter card
architectures. In addition, a Sleep function has been in-
corporated to provide low standby current, excellent for
notebooks and Green PCs.
PCnet-32
controller
The 32-bit multiplexed bus interface unit provides a di-
rect interface to the PCI local bus applications, simplify-
ing the design of an Ethernet node in a PC system. With
its built-in support for both little and big endian byte
alignment, this controller also addresses proprietary
non-PC applications.
The PCnet-SCSI controller supports auto configuration
in the PCI configuration space. Additional PCnet-SCSI
controller configuration parameters, including the
unique IEEE physical address, can be read from an ex-
ternal non-volatile memory (serial EEPROM) immedi-
ately following system RESET.
The controller also has the capability to automatically
select either the AUI port or the Twisted-Pair trans-
ceiver. Only one interface is active at any one time. The
individual transmit and receive FIFOs optimize system
overhead, providing sufficient latency during frame
transmission and reception, and minimizing intervention
during normal network error recovery. The integrated
Manchester encoder/decoder (MENDEC) eliminates
the need for an external Serial Interface Adapter (SIA) in
the system. In addition, the device provides program-
mable on-chip LED drivers for transmit, receive, colli-
sion, receive polarity, link integrity or jabber status.
SCSI Specific
The PCnet-SCSI controller also includes a high-
performance Fast SCSI controller with a glueless inter-
face to the PCI local bus. The PCnet-SCSI integrates its
own 32-bit bus mastering DMA engine with an industry
standard Fast SCSI-2 block. The DMA engine and ac-
companying 96 byte DMA FIFO allow 32-bit burst data
transfers across the high bandwidth PCI bus at speeds
of up to 132 Mbyte/s. Full support for scatter-gather
DMA transfers optimize performance in multi-tasking
system applications.
The PCnet-SCSI’s on-chip state machine controls SCSI
bus sequences in hardware and is coupled with the bus
mastering DMA engine to eliminate the need for an on-
chip RISC processor. This results in a smaller die size
giving the Am79C974 superior price/performance ver-
sus competitive offerings.
AMD supports the Am79C974 with a total system solu-
tion which includes:
A full suite of licensable SCSI drivers and utilities
fully tested under the following operating system
environments:
— DOS 5.0 – 6.0
— Windows 3.1
— Windows NT
— OS/2 2.x
— Netware 3.x, 4.x
— SCO UNIX 3.2.4, ODT 2.0
An INT13h Compatible SCSI ROM BIOS
ASPI Compatibility
Complete hardware reference design kit
For more detailed information on the PCnet-SCSI refer
to the technical manual, PID #18738A.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C975 | PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
| AM79C973 | PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
| AM79C973KCW | PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
| AM79C975KCW | PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
| AM79C973VCW | PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C975 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
| AM79C975BKC\\W | 制造商:Advanced Micro Devices 功能描述: |
| AM79C975BKC\W | 制造商:Advanced Micro Devices 功能描述: |
| AM79C975BKD\\W | 制造商:Advanced Micro Devices 功能描述: |
| AM79C975BKD\W | 制造商:Advanced Micro Devices 功能描述:PCnet-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY 制造商:AMD (Advanced Micro Devices) 功能描述:PCnet-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY |
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