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參數(shù)資料
| 型號： | DNC3X3425 |
| 英文描述： | DNC3X3425 Quad 10/100 Mbits/s Ethernet Transceiver Macrocell |
| 中文描述： | DNC3X3425四10/100 Mbits /秒以太網(wǎng)收發(fā)器宏單元 |
| 文件頁數(shù)： | 4/32頁 |
| 文件大?。?/td> | 757K |
| 代理商： | DNC3X3425 |
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DNC3X3425
Quad 10/100 Mbits/s Ethernet Transceiver Macrocell
Advance Data Sheet
March 2000
4
Description
The DNC3X3425 is a twisted-pair transceiver macrocell that supports transmission and reception over category 3
unshielded twisted-pair (UTP) cable and category 5 UTP
The DNC3X3425 has been designed specifically for applications that support both 10Base-T and 100Base-X, such
as network interface cards (NICs) and switches.
Figure 1 represents a functional block diagram of the DNC3X3425 macrocell.
Figure 2 shows the I/Os of the DNC3X3425 macrocell.
Functional Block Diagram
5-5136(F).j
Figure 1. DNC3X3425 Functional Block Diagram (1 Channel Shown)
TPI
±
TPO
±
AUTONEGOTIATION
AND LINK MONITOR
MTXD[3:0]
4B/5B
ENCODER
FAR-END
FAULT GEN.
SCRAMBLER
PDT
SD
PDR/
DCRU
DESCRAMBLER
ALIGNER
5B/4B
DECODER
FAR-END
FAULT DETECT
10 Mbits/s TRANSCEIVER
CLK20
MDC
MDIO
MII
TX STATE
MACHINE
SD
COLLISION
DETECT
SD
RX STATE
MACHINE
MII
MTX_ER
MTX_EN
MTXD[3:0]
MTXCLK
MRXCLK
MRX_ER
MRX_DV
MRXD[3:0]
MCOL
MCRS
MANAGEMENT
25 MHz
125 MHz
20 MHz
RMCLK
PMD
TX
PMD
RX
SD
100 Mbits/s TRANSCEIVER
LC10 LS10
LC100
LS100
CARRIER
DETECT
CIM
RXERR_ST
CAR_STAT
M
I
SERIAL/PARALLEL
INTERFACE
FREQ.
SYNTH.
125 MH
Z
M
I
25 MHz
CRYSTAL
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