参数资料
型号: NQ80220
厂商: LSI CORP
元件分类: 网络接口
英文描述: 100BASE-TX/10BASE-T Ethernet Media Interface Adapter
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 89/91页
文件大小: 907K
代理商: NQ80220
80220/80221
4-9
MD400159/E
9
2.0 Block Diagram
TX_CLK
TX_ER/TXD4
TX_EN
TXD[3:0]
100BASET4
INTERFACE
CONTROLLER
INTERFACE
(MII)
COL
RX_CLK
RX_ER/RXD4
RX_DV
RXD[3:0]
CRS
SERIAL
PORT
(MI)
MDC
MDIO
LED
DRIVERS
PLED[3:0]
GND[6:1]
VCC[6:1]
COLLISION
4B5B
DECODER
DESCRAMBLER
CLOCK
&
DATA
RECOVERY
AUTO-
NEGOTIATION
SQUELCH
(MDA4)
MDINT
OSCILLATOR
OSCIN
RX_EN/JAM
(MDA[3:0])
CLOCK
&
DATA
RECOVERY
(MANCHESTER
DECODER)
LP
FILTER
ROM
DAC
+
10BT
TRANSMITTER
CLOCK
GEN
(PLL)
MANCHESTER
ENCODER
4B5B
ENCODER
SCRAMBLER
TPO+
SWITCHED
CURRENT
SOURCES
+
100BTX
TRANSMITTER
CLOCK
GEN
(PLL)
REXT
TRFADJ[1:0]
TPO–
LP
FILTER
T4ADV
T4LNKI
T4OE
[1]
PLED[5:4]
[1]
Note
1:
These
pins
available
on
64L
80221
version
only.
ADAPTIVE
EQUALIZER
+
+/–
Vth
+
100BTX
RECEIVER
TPI+
TPI–
LP
FILTER
+
+/–
Vth
+
10BT
RECEIVER
MCLK
MLT3
ENCODER
Figure
1.
80220
/
80221
Block
Diagram
MLT3
ENCODER
SQUELCH
RPTR
[1]
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