KS8723 single-chip, full duplex, 100Mbps Ethernet incorporating 32bit

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KS8723 single-chip, full duplex, 100Mbps Ethernet incorporating 32bit

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KS8723 Single Port 10/100
KS8723 single-chip, full duplex, 100Mbps Ethernet incorporating 32bit with master support. KS8723 designed variety applications including workstation NICs, motherboards, other systems utilizing that require network connectivity Ethernet Fast Ethernet LAN. KS8723 includes interface unit, IEEE 802.3 compliant MAC, transmit receive FIFO buffers, IEEE 802.3 compliant 100BASE-TX 100BASE-FX PHY, serial EEPROM interface, expansion interface, drivers. KS8723 implements rich control status registers. Accessible interface, these registers provide host system visibility into features operating state KS8723. Network management statistics also recorded, host access registers device facilitated through KS8723's interface. KS8723 supports features "Green PCs" systems where control over system power consumption desired. KS8723 supports several power down states, ability issue system "wake event" reception unique, user defined Ethernet frames. addition, KS8723 assert wake event response changes Ethernet link status. multicast receive filter support using hash table Receive early interrupt Transmit polling Auto insertion short packets Programmable minimum Inter Packet Programmable transmit receive FIFO watermarks On-chip crystal oscillator 2.5V CMOS with 3.3V tolerant On-chip voltage regulator 2.5V supply 0.25mm technology 128-pin PQFP Typical 120mA (0.3W) including transmit driver current
CBEN[3:0] DEVSELN FRAMEN AD[31:0] PCICLK PERRN SERRN STOPN TRDYN IRDYN INTAN WAKE REQN GNTN IDSEL RSTN VDET
Interface
TxDMA Logic
Arbitration
RxDMA Logic
FIFO Logic TxFIFO
Network Statistics
RxFIFO Logic RxFIFO
Highlights
Single chip 10/100BASE, half full duplex Ethernet Media Access Controller IEEE 802.3 compliant 100BASE-TX IEEE 802.3 full duplex flow control IEEE 802.3 compliant 100BASE-FX master scatter/gather byte boundary Full operation with Clock from 12.5 On-chip transmit receive FIFO buffers On-chip drivers Power management capabilities ACPI compliant systems WakeOnLAN support Management statistics gathering
CSMA/CD Media Access Control (MAC)
10/100 Transmitter
10/100 Receiver
EEPROM Interface
Expansion Interface
Logic
LEDDPLXN
LEDPWRN
LEDLNKN
KS8723 Block Diagram
Mercury Drive, Sunnyvale, California 94085
Tel: (408) 735-1118
Fax: (408) 735-1119
www.kendin.com
LEDSPDN
EA[15:0]
ED[7:0]
EEDO
EWEN
EOEN
ECSN
EECS
EESK
EEDI
System Level Applications
KS8723 designed easily terminate 10/100 Ethernet network connection. System access through standard interface with transmit receive engines added convenience. Also chip physical layer transceiver that helps reduce concerns well increasing reliability. with Kendin components, KS8723 exhibits very power advanced physical layer technology. Drivers available Windows 2000/98/95/NT Linux. interface used program registers, read statistics, transfer receive transmit data collect interrupt information. Ample information supplied network management monitoring agents network wide performance maintenance functions. diagram below illustrates typical usage KS8723 utilized computing device.
KS8723 System Application
Computer System
Interface
KS8723 10/100
Transformer Fiber Interface
more information products@kendin.com
Mercury Drive, Sunnyvale, California 94085
Tel: (408) 735-1118
Fax: (408) 735-1119
www.kendin.com

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