参数资料
型号: WJLXT971ALE.A4-857343
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件页数: 18/80页
文件大小: 931K
代理商: WJLXT971ALE.A4-857343
Page 25
Cortina Systems LXT972A Single-Port 10/100 Mbps PHY Transceiver
LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
5.3 Operating Requirements
indicates a status change on the LXT972A PHY. Interrupts may be caused by any of
the following four conditions:
— Auto-negotiation complete
— Speed status change
— Duplex status change
— Link status change
Register 19 provides the interrupt status.
5.2.3.1.4
MII Status Change Register
MII status change is indicated in Register 19 by any of the following four conditions:
Auto-negotiation complete
Speed status change
Duplex status change
Link status change
5.2.3.2
Hardware Control Interface
The LXT972A PHY provides a Hardware Control Interface for applications where the
MDIO is not desired. The Hardware Control Interface uses the hardware configuration
pins to set device configuration. For details, see Section 5.4.4, Hardware Configuration
5.3
Operating Requirements
5.3.1
Power Requirements
The LXT972A PHY requires three power supply inputs:
VCCA
VCCD
VCCIO
Figure 5
MII Interrupt Logic
NAND
Even X Mask Reg
Even X Status Reg
Force Interrupt
Interrupt Enable
AND
Interrupt Pin
MDINT_L
B3474-01
OR
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WJLXT971ALE.A4-857346 DATACOM, ETHERNET TRANSCEIVER, PQFP64
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