SLXT973QC Cortina Systems Inc, SLXT973QC Datasheet - Page 32

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SLXT973QC

Manufacturer Part Number
SLXT973QC
Description
Manufacturer
Cortina Systems Inc
Datasheet

Specifications of SLXT973QC

Lead Free Status / Rohs Status
Not Compliant

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LXT973 Transceiver
Datasheet
249426, Revision 6.0
13 July 2007
3.5.5
Table 9
Cortina Systems
Hardware Configuration Settings
The LXT973 Transceiver provides a hardware option to set the initial device configuration.
The hardware option uses four per-port configuration pins that provide control (see
Table 9 on page
Configuration Settings (Hardware Control Interface)
®
1. These pins also set the default values for Registers 0 and 4 accordingly.
LXT973 10/100 Mbps Dual-Port Fast Ethernet PHY Transceiver
FIBER/
High
High
High
High
High
High
High
High
TPx
Low
Low
AUTO-NEGx
High
High
High
High
Low
Low
Low
Low
32).
-
-
SPEEDx
High
High
High
High
Low
Low
Low
Low
-
-
DUPLEXx
High
High
High
High
High
Low
Low
Low
Low
Low
100BASE-FX is enabled in half-duplex mode.
Auto-negotiation is disabled.
100BASE-FX is enabled in full-duplex mode.
Auto-negotiation is disabled.
AUTO_NEG is enabled. All capabilities are
advertised.
Register bits 4.8:5 are set to 1.
AUTO_NEG is enabled. Only 100 Mbps
capabilities are advertised.
Register bits 4.8:7 are set to 1. Register bits 4.6:5
are cleared to 0.
AUTO_NEG is enabled. Only 10 Mbps capability is
advertised.
Register bits 4.8:7 are cleared to 0. Register bits
4.6:5 are set to 1.
AUTO_NEG is enabled. Only half -duplex
capability is advertised.
Register bits 4.7 and 4.5 are set to 1. Register bits
4.8 and 4.6 are cleared to 0.
AUTO_NEG is disabled. LXT973 Transceiver port
x is forced to 100 Mbps full-duplex operation.
AUTO_NEG is disabled. LXT973 Transceiver port
x is forced to 100 Mbps half-duplex operation.
AUTO_NEG is disabled. LXT973 Transceiver port
x is forced to 10 Mbps full-duplex operation.
AUTO_NEG is disabled. LXT973 Transceiver port
x is forced to 10 Mbps half-duplex operation.
Mode
3.5 Initialization
Page 32

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