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參數資料
型號: DJLXT972MQAA4
廠商: Intel Corp.
英文描述: Single-Port 10/100 Mbps PHY Transceiver
中文描述: 單端口10/100 Mbps的物理層收發器
文件頁數: 27/92頁
文件大?。?/td> 666K
代理商: DJLXT972MQAA4
Intel
LXT972M Single-Port 10/100 Mbps PHY Transceiver
Datasheet
Document Number: 302875-005
Revision Date: 27-Oct-2005
27
5.2.3.1.2
MDIO Frame Structure
The physical interface consists of a data line (MDIO) and clock line (MDC). The frame structure is
shown in
Figure 3
and
Figure 4
(Read and Write).
MDIO Interface timing is given in
Chapter 7.0, “Electrical Specifications”.
5.2.3.2
Hardware Control Interface
The LXT972M Transceiver 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 Settings” on
page 33
.
Figure 3. Management Interface Read Frame Structure
Figure 4. Management Interface Write Frame Structure
MDC
MDIO
(Read)
High Z
32 "1"s
0
1
1
0
Preamble
ST
Op Code
PHY Address
Turn
Around
Z
0
A4
A3
A0
R4
R3
R0
Register Address
D15
D14
D1
Data
Write
Read
D15
D14
D1
D0
Idle
B3489-01
MDC
MDIO
(Write)
32 "1"s
0
1
0
1
Preamble
ST
Op Code
PHY Address
Turn
Around
1
0
A4
A3
A0
R4
R3
R0
Register Address
D15
D14
D1
D0
Data
Idle
Idle
Write
B3490-01
相關PDF資料
PDF描述
DJLXT972MQCA4 Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MQEA4 Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MTAA4 Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MTCA4 Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MTEA4 Single-Port 10/100 Mbps PHY Transceiver
相關代理商/技術參數
參數描述
DJLXT972MQCA4 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MQEA4 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MTAA4 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MTCA4 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver
DJLXT972MTEA4 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver
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