Product Brief

ICS1893AF

Page 2

Document Revision: 5 April 2002

Typical ICS1893AF Applications

The ICS1893AF is configured for the majority of single Phy Ethernet applications. These applications include

Network Interface Cards, PC Motherboards, Printers, ACR Riser cards, Set top Boxes, and Game machines.

Virtually any single Phy application utilizing the standard IEEE MII interface can use the ICS1893AF. The

ICS1893AF offers the same high performance at a lower cost.

ICS1893AF / ICS1893Y-10 Feature Set Comparison Table

The following bullet items describe ICS1893AF pin differences and how they affect the

application:

•

The ICS1893AF is hardwired for the predominate board application used in the vast majority of single

Phy applications

o

Hardwired for Node configuration (NOD/REP pin removed, tied internally to VSS). Node

configuration enables the 10M SQE test default setting and causes CRS to be asserted for either

transmit or receive activity in half duplex, or for just receive activity when in full duplex.

o

Hardwired for Software mode (HW/SW pin removed, tied internally to VDD).

o

Hardwired for MII interface only. (SI/MII pin removed, tied internally to VDD) In this configuration

the 10baseT serial and 100baseTX 5 bit symbol interfaces are NOT supported. Applications

requiring these interfaces should use ICS1893Y-10.

•

In the software control configuration the 10/100, DPXSEL and ANSEL pins are outputs.

o

DPXEL pin is not brought out.

o

ANSEL pin is not brought out.

o

10/100 pin is brought out to indicate 100M operation. Some applications use this output to drive

an LED indicating 100M operation.

Feature

ICS1893AF

ICS1893Y-10

Comment

Package Type

SSOP 300mil

TQFP 10x10x1.4

Pin Count

48

64

NOD/REP

NOD/REP pin removed

tied internally to VSS

NOD/REP

ICS1893AF configured in NODE mode

only.

HW/SW

HW/SW pin removed

tied internally to VDD

HW/SW

ICS1893AF configured in software

mode only.

MII/SI

SI/MII pin removed

tied internally to VDD

SI/MII

ICS1893AF supports only MII interface

to MAC.

10/100

10/100 pin is output

only

10/100

The 10/100 pin in software mode is an

output indicateting 100M operation

when high

DPXSEL

DPXSEL pin removed

DPXSEL

FD/HD information is available in the

Quick Poll Status Register Reg 17

ANSEL

ANSEL pin removed

ANSEL

ANSEL in software mode is an output.

This information is available in control

Reg 0, Default setting is A-N enabled

LSTA

LSTA pin removed

LSTA

Link status available on P2LI led

LOCK

LOCK pin removed

LOCK

Link status available on P2LI led

TXER

TXER pin removed

tied internally to VSS

TXER

TXER function is still available by using

control Reg 16 bit 2