KSZ8851MQL

KSZ8851MQL/MLL/SNL Product Brief Single Port MAC/PHY Controller with Non PCI Interface Description The KSZ8851 supports cable diagnostics feature LinkMD® The KSZ8851 is a single-port embedded controller chip with 8/16/32-bit and SPI host interfaces. The device is pin and Hewlett Packard (HP) Auto-MDIX. The LinkMD® compatible with Micrel’s KSZ8841 and KSZ8842 product feature determines the length of the cabling plant and also families. ascertains if there is an open or short condition in the cable. Hewlett Packard (HP) Auto-MDIX features The KSZ8851 integrates a Fast Ethernet MAC/PHY with eliminates the need to differentiate between straight or an 8/16/32-bit generic host processor interface and SPI crossover cables. interface. The device has 18KB of internal buffer memory shared between the RXQ and TXQ. The buffer memory on The KSZ8851 is designed to be fully compliant with the the receive queue is 12KB while the buffer memory for the IEEE 802.3 standards. The KSZ8851 is also available in transmit queue is 6KB. industrial grade version. The KSZ8851 is designed with flexibility in mind. The All datasheets and support documentation can be found device is designed using a low-power CMOS process on Micrel’s web site at: www.micrel.com. which features programmable IO options of 1.8/2.5/3.3V. ___________________________________________________________________________________________________________ www.DataSheet4U.com Block Diagram KSZ8851 Block Diagram LinkMD is a registered t...