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ICS1893 датащи(PDF) 28 Page - Renesas Technology Corp

номер детали ICS1893
подробное описание детали  3.3-V 10Base-T/100Base-TX Integrated PHYceiverä
PDF  153 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS1893 датащи(HTML) 28 Page - Renesas Technology Corp

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ICS1893 Rev C 6/6/00
June, 2000
28
Chapter 6
Interface Overviews
ICS1893 Data Sheet - Release
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
Table 6-1 lists the pin mappings for the ICS1893 100M Symbol Interface mode.
Table 6-1.
Pin Mappings for 100M Symbol Interface Mode
Default
10M / 100M
MII Pin Names
MAC/Repeater Interface Pin Mappings, Configured for
100M Symbol Interface Mode
COL
No connect. [Because the MAC/repeater sources both active and ‘idle’data, a PHY
cannot distinguish between an active and idle transmission channel (that is, to a PHY
the transmit channel always appears active). Therefore, a PHY cannot accurately
detect a collision.]
CRS
SCRS
MDC
MDC
MDIO
MDIO
RXCLK
SRCLK
RXD0
SRD0
RXD1
SRD1
RXD2
SRD2
RXD3
SRD3
RXDV
No connect. (Data exchanged between the MAC/repeater and a PHY is not framed in
the 100M Symbol Interface mode. Therefore, RXDV has no meaning.)
RXER
SRD4
TXCLK
STCLK
TXD0
STD0
TXD1
STD1
TXD2
STD2
TXD3
STD3
TXEN
No connect. (100Base-TX operations require continuous transmission of data.
Therefore, the MAC/repeater is responsible for sourcing IDLE symbols when it is not
transmitting data.)
TXER
STD4



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