DP83916 datasheet(1/96 Pages) NSC

tên linh kiện	DP83916

Giải thích chi tiết về linh kiện	SONICTM-16 Systems-Oriented Network Interface Controller

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nhà sản xuất	NSC [National Semiconductor (TI)]

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TLF11722

PRELIMINARY

November 1995

DP83916 SONIC

TM -16

Systems-Oriented Network Interface Controller

General Description

The SONICTM-16 (Systems-Oriented Network Interface

Controller) is a second-generation Ethernet Controller de-

signed to meet the demands of today’s high-speed 16-bit

systems Its system interface operates with a high speed

DMA that typically consumes less than 8% of the bus band-

width Selectable bus modes provide both big and little endi-

an byte ordering and a clean interface to standard micro-

processors The linked-list buffer management system of

SONIC-16 offers maximum flexibility in a variety of environ-

ments from PC-oriented adapters to high-speed mother-

board designs Furthermore the SONIC-16 integrates a ful-

ly-compatible IEEE 8023 EncoderDecoder (ENDEC) al-

lowing for a simple 2-chip solution for Ethernet when the

SONIC-16 is paired with the DP8392 Coaxial Transceiver

Interface

For increased performance the SONIC-16 implements a

unique buffer management scheme to efficiently process

receive and transmit packets in system memory No inter-

mediate packet copy is necessary The receive buffer man-

agement uses three areas in memory for (1) allocating addi-

tional resources (2) indicating status information and (3)

buffering packet data

During reception

the SONIC-16

stores packets in the buffer area then indicates receive

status and control information in the descriptor area The

system allocates more memory resources to the SONIC-16

by adding descriptors to the memory resource area The

transmit buffer management uses two areas in memory

one for indicating status and control information and the

other for fetching packet data The system can create a

transmit queue allowing multiple packets to be transmitted

from a single transmit command The packet data can re-

side on any arbitrary byte boundary and can exist in several

non-contiguous locations

Features

Y

23-bit non-multiplexed address16-bit data bus

Y

High-speed interruptible DMA

Y

Linked-list buffer management maximizes flexibility

Y

Two independent 32-byte transmit and receive FIFOs

Y

Bus compatibility for all standard microprocessors

Y

Supports big and little endian formats

Y

Integrated IEEE 8023 ENDEC

Y

Complete address filtering for up to 16 physical andor

multicast addresses

Y

32-bit general-purpose timer

Y

Full-duplex loopback diagnostics

Y

Fabricated in low-power CMOS

Y

132 PQFP package

Y

Full network management facilities support the IEEE

8023 layer management standard

Y

Integrated support for bridge and repeater applications

System Diagram

IEEE 8023 EthernetThin-Ethernet10BASE-T Station

TLF11722 – 1

TRI-STATE

is a registered trademark of National Semiconductor Corporation

RICTM and SONICTM-16 are trademarks of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M16Printed in U S A

Số phần tương tự - DP83916

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	DP8391	190Kb / 12P	SNI Serial Network Interface
	DP8391	175Kb / 10P	Serial Network Interface
	DP83910A	221Kb / 12P	CMOS SNI Serial Network Interface
Texas Instruments	DP83910A	265Kb / 14P	DP83910A CMOS SNI Serial Network Interface
National Semiconductor ...	DP83910AN	221Kb / 12P	CMOS SNI Serial Network Interface

More results

Mô tả tương tự - DP83916

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	DP83901A	705Kb / 62P	Serial Network Interface Controller
	DP8390D	689Kb / 56P	NIC Network Interface Controller
	DP83932C-20	1Mb / 98P	MHz SONICTM Systems-Oriented Network Interface Controller
	DP83934CVUL-20	1Mb / 104P	MHz SONICTM-T Systems-Oriented Network Interface Controller with Twisted Pair Interface
	DP83936AVUL-20	1Mb / 104P	Full Duplex SONICTM-T Systems-Oriented Network Interface Controller with Twisted Pair Interface
Infineon Technologies A...	PEB20321	4Mb / 366P	Multichannel Network Interface Controller for HDLC Version 2.2 Feb. 2001
Texas Instruments	DP83934	1Mb / 106P	DP83934CVUL-20/25 MHz SONIC(TM)-T Systems-Oriented Network Interface Controller with Twisted Pair Interface
Texas Instruments	DP8390D	943Kb / 58P	NIC Network Interface Controller
Xilinx, Inc	DS543	442Kb / 24P	MOST Network Interface Controller v1.4
Infineon Technologies A...	PEB20256	2Mb / 216P	Multichannel Network Interface Controller for HDLC/PPP DS2, April 2001

More results

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