lxt9785 Intel Corporation, lxt9785 Datasheet - Page 142

• Manufacturer Part Number: lxt9785
• Description: Advanced 8-port 10/100 Mbps Phy Transceivers
• Manufacturer: Intel Corporation

LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
144
Figure 26. Intel
®
LXT9785/LXT9785E Typical RMII Quad Sectionalization Diagram
50 MHz Sourced
Externally or from
Switch ASIC
Typical RMII Interface
in a 24-Port System
4
4
4
4
4
4
4
8
8
8
8
8
8
8
8
8
8
8
8
8
8
4
4
4
4
4
4
4
CRS_DV
TxD0n
TxENn
RxD1n
CRS_DVn
RxERn
MDIO0
MDC0
MDINT0
TxD0n
TxD1n
TxENn
RxD0n
RxD1n
CRS_DV n
RxERn
MDIO0
MDC0
MDINT0
RefClk0
RefClk1
TxD0
TxD1
TxEN
RxD0
RxD1
RxER
MDINT1
MDIO1
MDC1
MDINT0
MDIO0
MDC0
TxD0
TxD1
RxD0
CRS_DV
TxD1n
RxD0n
TxEN
RxD1
RxER
RefClk0
RefClk0
n
n
n
n
n
n
n
n
n
n
n
n
n
RefClk1
SECTION
n
RefClk1
SECTION
SECTION
VCC
Revision Date: August 28, 2003
Document Number: 249241
Revision Number: 007
Datasheet