KS8995E Micrel KS8995E
5-Port 10/100 Integrated Switch with PHY and Frame Buffer
On the media side, the KS8995E supports 10BaseT,
100BaseTX and 100BaseFX as specified by the IEEE 802.3
Physical signal transmission and reception are enhanced
through use of analog circuitry that makes the design more
efficient and allows for lower power consumption and smaller
chip die size.
The major enhancements from the KS8995 to the KS8995E
are support for VLAN, traffic priority queuing, EEPROM
programming for expanded control, MDI/MDI-X auto crossover.
Data sheets and support documentation can be found on
MicrelвЂ™s web site at www.micrel.com. General Description
The KS8995E contains five 10/100 physical layer transceivers, five MAC (Media Access Control) units with an integrated
layer 2 switch. The device runs in two modes. The first mode
is a five port integrated switch and the second is as a five port
switch with the fifth port decoupled from the physical port. In
this mode access to the fifth MAC is provided using an MII
(Media Independent Interface).
Useful configurations include a stand alone five port switch as
well as a four port switch with a routing element connected to …