AC208-DS03-R datasheet(20/58 Pages) BOARDCOM

20 / 58 page

AC208

Preliminary Data Sheet

07/08/02

B roa dcom

Page 12 Pins

Document

AC208-DS04-405-R

Section 2 : P ins

PIN DESCRIPTIONS

Many of these device pins have multiple functions. The separate descriptions of each pin are listed in the proper sections.

Designers must assure that they have identified all modes of operation prior to final design.

The media dependent interface (MDI) pin assignment shown below and in the pin description table is subject to change

without notice. The user is advised to contact Altima Communications, Inc. before implementing any design based on the

information provided in this data sheet.

Signals types:

•

I = Input

•

O = Output

•

Z = High impedance

•

U = Pull up with 10 k

Ω

•

D = Pull down with 10 k

Ω

•

S = Schimitt Trigger

•

A = Analog signal

•

P = Power

•

G = Ground

•

* = Active low signal

Table 4: Media Dependent Interface Pins (TX)

Pin Name

Pin #

Type

Description

RXIP_7

RXIP_6

RXIP_5

RXIP_4

RXIP_3

RXIP_2

RXIP_1

RXIP_0

107

Receiver Input Positive for both 10BASE-T and 100BASE-TX.

RXIN_7

RXIN_6

RXIN_5

RXIN_4

RXIN_3

RXIN_2

RXIN_1

RXIN_0

106

Receiver Input Negative for both 10BASE-T and 100BASE-TX.

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