KSZ8842-16M/-32M Two-Port Ethernet Switch with Non-PCI Interface Per Port-Based, Software Power-Save on PHY Features (Idle Link Detection, Register Configuration Pre- Switch Management served) Non-Blocking Switch Fabric Assures Fast Packet Single Power Supply: 3.3V Delivery by Utilizing a 1K Entry Forwarding Table Commercial Temperature Range: 0C to +70C and a Store-and-Forward Architecture Industrial Temperature Range: 40C to +85C Fully Compliant with IEEE 802.3u Standards Available in 128-pin PQFP, 100-ball LFBGA, and Full-Duplex IEEE 802.3x Flow Control (Pause) 128-pin LQFP with Force Mode Option Available in -16 Version for 8/16-Bit Bus Support Half-Duplex Back Pressure Flow Control and -32 version for 32-Bit Bus Support Advanced Switch Management Additional Features IEEE 802.1Q VLAN Support for Up to 16 Groups In Addition to Offering All of the Features of an Inte- (Full Range of VLAN IDs) grated Layer-2 Managed Switch, the KSZ8842M VLAN ID Tag/Untag Options, on a Per Port Basis Offers: IEEE 802.1p/Q Tag Insertion or Removal on a Per Repeater Mode Capabilities to Allow for Cut Port Basis (Egress) Through in Latency Critical Industrial Ethernet or Programmable Rate Limiting at the Ingress and Embedded Ethernet Applications Egress Ports Dynamic Buffer Memory Scheme Broadcast Storm Protection - Essential for Applications Such as Video over IEEE 802.1d Spanning Tree Protocol Support IP where Image Jitter is Unacceptable MAC Filtering Function to Filter or Forward 2-Port Switch with a Flexible 8-Bit, 16-Bit, or 32- Unknown Unicast Packets Bit Generic Host Processor Interfaces Direct Forwarding Mode Enabling the Processor Microchip LinkMD Cable Diagnostic to Deter- to Identify the Ingress Port and to Specify the mine Cable Length, Diagnose Faulty Cables, and Egress Port Determine Distance to Fault Internet Group Management Protocol (IGMP) v1/ Hewlett Packard (HP) Auto-MDIX Crossover with v2 Snooping Support for Multicast Packet Filtering Disable and Enable Options IPV6 Multicast Listener Discovery (MLD) Snoop- Four Priority Queues to Handle Voice, Video, ing Support Data, and Control Packets Ability to Transmit and Receive Frames up to Monitoring 1916 bytes Port Mirroring/Monitoring/Sniffing: Ingress and/or Egress Traffic to Any Port Applications MIB Counters for Fully Compliant Statistics Gath- Video Distribution Systems ering - 34 MIB Counters Per Port High-End Cable, Satellite, and IP Set-Top Boxes Loopback Modes for Remote Failure Diagnostics Video over IP Comprehensive Register Access Voice over IP (VoIP) and Analog Telephone Adapters (ATA) Control Registers Configurable On-the-Fly (Port- Industrial Control in Latency Critical Applications Priority, 802.1p/d/Q) Motion Control QoS/CoS Packets Prioritization Support Industrial Control Sensor Devices (Temperature, Per Port, 802.1p and DiffServ-Based Pressure, Levels, and Valves) Remapping of 802.1p Priority Field on a Per Port Security and Surveillance Cameras Basis Markets Power Modes, Packaging, and Power Supplies Fast Ethernet Full-Chip Hardware Power-Down (Register Con- figuration not Saved) Allows Low Power Dissipa- Embedded Ethernet tion Industrial Ethernet 2020 Microchip Technology Inc. 1DS00003459A-page KSZ8842-16M/-32M TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: