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參數(shù)資料
| 型號： | AM79C961A |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | PCnet ⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
| 中文描述： | PCnet⑩- 2跳線的ISA，全雙工單芯片以太網(wǎng)控制器為ISA |
| 文件頁數(shù)： | 2/85頁 |
| 文件大?。?/td> | 1088K |
| 代理商： | AM79C961A |
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Am79C961A
P R E L I M I N A R Y
GENERAL DESCRIPTION
The PCnet-ISA II controller, a single-chip Ethernet con-
troller, is a highly integrated system solution for the
PC-AT Industry Standard Architecture (ISA) architec-
ture. It is designed to provide flexibility and compatibil-
ity with any existing PC application. This highly
integrated 132-pin VLSI device is specifically designed
to reduce parts count and cost, and addresses applica-
tions where higher system throughput is desired. The
PCnet-ISA II controller is fabricated with AMD’s
advanced low-power CMOS process to provide low
standby current for power sensitive applications.
The PCnet-ISA II controller can be configured into one
of three different architecture modes to suit a particular
PC application. In the Bus Master mode, all transfers
are performed using the integrated DMA controller.
This configuration enhances system performance by
allowing the PCnet-ISA II controller to bypass the plat-
form DMA controller and directly address the full 24-bit
memory space. The implementation of Bus Master
mode allows minimum parts count for the majority of
PC applications. The PCnet-ISA II can also be config-
ured as a Bus Slave with either a Shared Memory or
Programmed I/O architecture for compatibility with
low-end machines, such as PC/XTs that do not support
Bus Masters, and high-end machines that require local
packet buffering for increased system latency.
The PCnet-ISA II controller is designed to directly inter-
face with the ISA or EISA system bus. It contains an
ISA Plug and Play bus interface unit, DMA Buffer Man-
agement Unit, 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 Attach-
ment Unit. Full duplex network operation can be
enabled on any of the device’s network ports. The
PCnet-ISA II controller is also register compatible with
the LANCE (Am7990) Ethernet controller and
PCnet-ISA. The DMA Buffer Management Unit sup-
ports the LANCE descriptor software model. External
remote boot and Ethernet physical address PROMs
and Electrically Erasable Proms are also supported.
This advanced Ethernet controller has the built-in
capability 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 over-
head, providing sufficient latency during packet trans-
mission and reception, and minimizing intervention
during normal network error recovery. The integrated
Manchester encoder/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 integrity and activity, or jabber
status. The PCnet-ISA II controller also provides an
External Address Detection Interface
TM
allow external hardware address filtering in internet-
working applications.
(EADI
TM
) to
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
)
Am79C90
CMOS Local Area Network Controller for Ethernet (C-LANCE)
Am79C960
PCnet-ISA Single-Chip Ethernet Controller (for ISA bus)
Am79C961
PCnet-ISA Jumperless Single-Chip Ethernet Controller (for ISA bus)
Am79C965
PCnet-32 Single-Chip 32-Bit Ethernet Controller (for 386, 486, VL local buses)
Am79C970
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C961AKIW | PCnet⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
| AM79C961AVCW | PCnet⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
| AM79C961AVIW | PCnet⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
| Am79C965A | PCnet?-32 Single-Chip 32-Bit Ethernet Controller |
| AM79C970AKCW | PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C961A_00 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
| AM79C961AKC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
| AM79C961AKC/W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Node Controller |
| AM79C961AKCW | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet⑩-ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA |
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