IP178A Просмотр технического описания (PDF) - Unspecified

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производитель

IP178A

8-Port 10/100 Ethernet Integrated Switch

Unspecified 

(Advance Version)

IP178A

PIN Description (continued)

Pin no.

Label

MII ports

177 MII_CLK

159 MRXDV

175 MRXD3

170 MRXD2

169 MRXD1

Type

Description

IPL/O MII_CLK

It is an output signal MII_CLK, if external MII port is enabled

(MII_P0_EXT_EN=1). Both MRXD and MTXD are synchronous to this clock. This

pin is shared with EESK. Please reference pin description of EESK for more

detail information

MII_CLK is CLK in SNI mode.

IPL/O MRXDV

It is an output signal MRXDV, if external MII port is enabled (MII_P0_EXT_EN=1).

MRXDV is CRS in SNI mode.

IPL/O MRXD3

It is an output signal MRXD3, if external MII port is enabled (MII_P0_EXT_EN=1).

This pin is shared with EEDI. Please reference pin description of EEDI for more

detail information

IPH/ MRXD2

O It is an output signal MRXD2, if external MII port is enabled (MII_P0_EXT_EN=1).

This pin is shared with BK_EN. Please reference pin description of BK_EN for

more detail information

IPL/O MRXD1

It is an output signal MRXD1 if external MII port is enabled (MII_P0_EXT_EN=1).

168 MRXD0

167 MCOL

173 MTXEN

172, 166, MTXD3[3:0]

164, 158

IPL/O MRXD0

It is an output signal MRXD0 if external MII port is enabled (MII_P0_EXT_EN=1).

MRXD0 is RXD in SNI mode.

IPH/ MCOL

O It is an output signal MCOL if external MII port is enabled (MII_P0_EXT_EN=1).

This pin is shared with X_EN. Please reference pin description of X_EN for more

detail information

IPL MTXEN

MTXEN is TXEN in SNI mode.

IPL MTXD[3:0]

MTXD0 is TXD in SNI mode.

Preliminary, Specification subject to change without notice 10

IP178A-DS-P05

Sep. 09, 2002

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