參數(shù)資料
型號(hào): CS8904-CM5
廠商: CRYSTAL SEMICONDUCTOR CORP
元件分類: 網(wǎng)絡(luò)接口
英文描述: ETHERNET TRANSCEIVER
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP100
封裝: MQFP-100
文件頁數(shù): 1/34頁
文件大?。?/td> 1234K
代理商: CS8904-CM5
Copyright
Cirrus Logic, Inc. 1998
(All Rights Reserved)
CS8904
Advanced Product Databook
Crystal LAN Quad
Ethernet Transceiver
FEATURES
I
Single-Chip Quad IEEE 802.3-compliant Ethernet
Interface
I
3 V and 5 V Operation
I
Full and Half Duplex Operation
I
Auto-Negotiation with Manual Override Capability
I
Four 10BASE-T Ports with Integrated Active Ana-
log Filters
I
Automatic Polarity Detection and Correction
I
Integrated Manchester Encoder/Decoders
(ENDEC)
I
Link Status LED Driver for Each Port
I
Per Port Control - Manual Duplex select (Half or
Full), Auto-Negotiation select, Loopback select
I
Per Port Status - Collision detect, Carrier detect,
Jabber indication, Link status, Duplex status,
Auto-Negotiation status
DESCRIPTION
The CS8904 combines four 10BASE-T Ethernet EN-
DECs and transceivers into a single low-cost device.
Complete on-chip 10BASE-T Transceivers and filters
eliminate external components, saving valuable board
space and reducing cost. The CS8904 offers maximum
design flexibility by providing individual control and sta-
tus lines for each of the four interface ports.
The CS8904 supports full-duplex operation, allowing si-
multaneous transmission and reception on all ports.
Auto-negotiation allows the automatic selection of ei-
ther half or full duplex operation on a per-port basis.
The CS8904 is ideally suited for cost-sensitive Ethernet
switch designs. With the CS8904, engineers can design
a four-port Ethernet Transceiver circuit that occupies
less than 1.0 square inch (6.5 sq. cm) of space, exclu-
sive of transformers and RJ-45 connectors.
ORDERING INFORMATION
CS8904-CM5
0 to 70 °C
CS8904-CM3 0 to 70 °C
CDK8904-5
100-pin MQFP, 5.0 V
100-pin MQFP, 3.3 V
Developer’s Kit, 5.0 V
RJ-45
10BASE-T
10BASE-T RX Filters & Receiver
10BASE-T TX Filters &Transmitter
CS8904 Quad Ethernet Transceiver
RJ-45
10BASE-T
10BASE-T RX Filters & Receiver
10BASE-T TX Filters &Transmitter
RJ-45
10BASE-T
10BASE-T RX Filters & Receiver
10BASE-T TX Filters &Transmitter
RJ-45
10BASE-T
10BASE-T RX Filters & Receiver
10BASE-T TX Filters &Transmitter
LINK LED
LINK LED
LINK LED
LINK LED
Encoder/Decoder & PLL
STATUS (5)
TRxCLK
CONTROL(4)
TxCLK
VDD(11) GND(13)
RES
20 MHz XTAL
Clock
Encoder/Decoder & PLL
STATUS (5)
TRxCLK
CONTROL(4)
Encoder/Decoder & PLL
STATUS (5)
TRxCLK
CONTROL(4)
Encoder/Decoder & PLL
STATUS (5)
TRxCLK
CONTROL(4)
MODE(3)
RESET
FEB ‘98
DS191PP2
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
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