![]() |
Electronic Components Datasheet Search |
|
KS8993M Datasheet(PDF) 1 Page - Micrel Semiconductor |
|
KS8993M Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 85 page ![]() KS8993M/ML/MI Integrated 3-Port 10/100 Managed Switch with PHYs Rev 1.04 Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 ( 408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com April 2005 1 M9999-041205 General Description The KS8993M, a highly integrated Layer 2 managed switch, is designed for low port count, cost-sensitive 10/100 Mbps switch systems. It offers an extensive feature set that includes tag/port-based VLAN, quality of service (QoS) priority, management, management information base (MIB) counters, MII/SNI, and CPU control/data interfaces to effectively address both current and emerging Fast Ethernet applications. The KS8993M contains two 10/100 transceivers with patented mixed-signal low-power technology, three media access control (MAC) units, a high-speed non-blocking switch fabric, a dedicated address lookup engine, and an on-chip frame buffer memory. Both PHY units support 10BASE-T and 100BASE- TX. In addition, one of the PHY unit supports 100BASE-FX. The KS8993ML is the single supply version with all the identical rich features of the KS8993M. ___________________________________________________________________________________________________ Functional Diagram 1KLook-Up Engine Queue Management Buffer Management Frame Buffers MIB Counters EEP ROM Interface 10/100 MAC1 10/100 MAC2 10/100 MAC3 10/100 T/TX/FX PHY 1 10/100 T/TX PHY 2 SNI SPI Control Registers Strap-In Configuration Pins LED Drivers AUTO MDI/MDI-X AUTO MDI/MDI-X MII/SNI SPI MIIM SMI I2C P1 LED[3:0] P2 LED[3:0] |