AR8031-AL1B データシートの表示（PDF） - Unspecified
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AR8031-AL1B Datasheet PDF : 118 Pages
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Table 1-1. Signal to Pin Relationships and Descriptions
Symbol
MDI
TRXP0, TRXN0
TRXP1, TRXN1
TRXP2, TRXN2
TRXP3, TRXN3
RGMII
GTX_CLK
RX_CLK
RX_DV
RXD0
RXD1
RXD2
RXD3
TX_EN
TXD0
TXD1
TXD2
TXD3
SGMII/1000FX
SIP/SIN
SOP/SON
SD
Pin
Type Description
11, 12
14, 15
17, 18
20, 21
IA, OA
IA, OA
IA, OA
IA, OA
Media-dependent interface 0, differential 100 transmission line
Media-dependent interface 1, differential 100 transmission line
Media-dependent interface 2, differential 100 transmission line
Media-dependent interface 3, differential 100 transmission line
35
I, PD RGMII transmit clock, 125 MHz at 1000 Mbps, 25 MHz at 100
Mbps, and 2.5 MHz at 10 Mbps digital clock input
33
I/O, PD RGMII receive clock, 125 MHz at 1000 Mbps, 25 MHz at 100 Mbps,
and 2.5 MHz at 10 Mbps digital clock output
32
I/O, PD RGMII receive data valid
31
I/O, PD RGMII receive data 0
30
I/O, PD RGMII receive data 1
28
I/O, PD RGMII receive data 2
27
I/O, PD RGMII receive data 3
34
I, PD RGMII transmit enable
36
I, PD RGMII transmit data 0
37
I, PD RGMII transmit data 1
38
I, PD RGMII transmit data 2
39
I, PD RGMII transmit data 3
46, 45
43, 42
41
IA
1.25 Gbps transmit differential inputs
When this interface is used as a MAC interface, the MAC
transmitter's positive output connects to SIP and the MAC
transmitter's negative output connects to the SIN.
When this interface is used as a fiber interface, the fiber-optic
transceiver's positive output connects to the SIP and the fiber-optic
transceiver's negative output connects to the SIN.
OA 1.25 Gbps receive differential outputs
When this interface is used as a MAC interface, the MAC receiver's
positive input connects to SOP and the MAC receiver's negative
input connects to the SON.
When this interface is used as a fiber interface, the fiber-optic
transceiver's positive input connects to the SOP and the fiber-optic
transceiver's negative input connects to the SON.
IA
Signal Detect. 1.2 V voltage level. Input signals must not exceed
1.4V.
Management Interface and Interrupt
Atheros Communications, Inc.
COMPANY CONFIDENTIAL
AR8031 Integrated 10/100/1000 Mbps Ethernet Transceiver • 11
August 2011 • 11
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