Microchip KSZ8842-16MVLI
Microchip KSZ8842-16MVLI

Microchip KSZ8842-16MVLI

Manufacturer No:

KSZ8842-16MVLI

Manufacturer:

Microchip

Package:

128-LQFP

Description:

The KSZ8842 series of 2-port 10/100 managed ethernet switches includes both PCI and non-PCI CPU interfaces and are available in industrial temperature ranges.

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Step1：Prepare product

Step1：Prepare product

Step2：Desiccant Protection

Step2：Desiccant Protection

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Step3：Vacuum Packaging

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Step4：Individual Package

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Step5：Anti-collision Filling

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1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
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KSZ8842-16MVLI Information

Microchip KSZ8842-16MVLI technical specifications, attributes, parameters and parts with similar specifications to Microchip KSZ8842-16MVLI.

  • Type
  • Parameter
  • Copper Support
  • 10/100 (2)
  • DownstreamPorts
  • 2
  • Port Speed
  • 10/100Mbps
  • Fiber Support
  • No
  • Flow Control
  • Yes
  • IEEE 1588
  • No
  • IPV6
  • Yes
  • InterfaceUpStream
  • Host Bus/PCI
  • InternalLDO
  • Yes
  • LinkMDCableDiag
  • Yes
  • Type
  • Parameter
  • Managed
  • Yes
  • OpVoltage
  • 3.3
  • Rapid Spanning Tree Protocol
  • No
  • Rate Limiting
  • Yes
  • Static MAC Address
  • Yes
  • Supply Voltages
  • 3.3
  • Temperature Range Max
  • 85
  • Temperature Range Min
  • -40
  • Digital I/O Voltage
  • 3.3/5.0
  • WakeonLAN
  • No

Download datasheets and manufacturer documentation for Microchip KSZ8842-16MVLI.

Application Notes:

Data Sheets:

Brochures:

The KSZ8842-series of 2-port switches includes PCI and non-PCI CPU interfaces.

The datasheet describes the KSZ8842-PMQL/PMBL PCI CPU interface chips. KSZ8842-PMQL is PQFP package chip, KSZ8842-PMBL is LFBGA package chip. For information on the KSZ8842-MQL/MBL CPU non-PCI interface switches, refer to the KSZ8842-MQL/MBL datasheet.

The KSZ8842-PMQL/PMBL is the industry's first fully managed 2-port switch with a 32-bit/33MHz PCI processor interface. It is a proven, 4th generation, integrated Layer 2 switch that is compliant with the IEEE 802.3u standard. An industrial temperature grade version of the KSZ8842-PMQL/PMBL, also can be ordered the KSZ8842-PMQLI/PMBL AM. The KSZ8842-PMQL/PMBL can be configured as a switch or as a low-latency (<310 nanoseconds) repeater in latency-critical, embedded or industrial Ethernet applications.

For industrial automation applications, the KSZ8842-PMQL/PMBL can run in half-duplex mode regardless of the application. The KSZ8842-PMQL/PMBL offers an extensive feature set that includes tag/port-based VLAN, quality of service (QoS) priority management, management information base (MIB) counters, and CPU control/data interfaces to effectively address Fast Ethernet applications. The KSZ8842-PMQL/PMBL contains two 10/100 transceivers with patented, mixed-signal, low-power technology three media access control (MAC) units, a direct memory access (DMA) channel, a high-speed, non-blocking, switch fabric, a dedicated 1K entry forwarding table, and an on-chip frame buffer memory.


Microchip's complimentary and confidential MicroCHECK design review service, which offers insight from the initial concept to the final PCB layout, is available to customers who are using our products in their projects. You can confidently submit your design materials in a secure and private setting, and our expert engineers will provide individualized feedback to enhance your design. MicroCHECK design review service is subject to Microchip's Program Terms and Conditions and requires a myMicrochip account.



  • Non-blocking switch fabric assures fast packet delivery by utilizing a 1K entry MAC Address look-up engine and a store-and-forward architecture
  • Fully compliant with IEEE 802.3u standards
  • Full-duplex IEEE 802.3x flow control (Pause) with force mode option
  • Half-duplex back pressure flow control
  • IEEE 802.1Q VLAN support for up to 16 groups (full-range of VLAN IDs)
  • VLAN ID tag/untag options, per port basis
  • IEEE 802.1p/Q tag insertion or removal on a per-port basis (egress)
  • Programmable rate limiting at the ingress and egress port
  • Broadcast storm protection
  • IEEE 802.1d spanning tree protocol support
  • MAC filtering function to filter unicast packets
  • Unknown MAC address forwarding function
  • Direct forwarding mode enabling the processor to identify the ingress port and to specify the egress port
  • IGMP v1/v2 snooping support for multicast packet filtering
  • IPV6 Multicast Listener Discovery (MLD) snooping support
  • Management information base (MIB) counters for fully compliant statistics gathering: 32 MIB counters per port
  • Loop back modes for remote failure diagnostics
      • There are three kinds of register groups:
    • The PCI configuration registers are used to initialize and configure the PCI interface
    • The PCI control/status registers are used to communicate between the host and KSZ8842-PMQL/PMBL
    • Switch registers are used to support transceiver control and status. They are configurable on-the-fly (port-priority, 802.1p/d/Q, etc.)
    • Per port, 802.1p and DiffServ based
    • Re-mapping of 802.1p priority field on a per port basis
    • Full-chip hardware power-down (register configuration not saved) provides for low power dissipation
    • Per port-based software power-save on PHY (idle link detection, register configuration preserved)
    • Single power supply: 3.3V
    • Commercial Temperature Range: 0°C to +70°C
    • Industrial Temperature Range: -40°C to +85°C
    • Available in 128-pin PQFP and 100-ball LFBGA

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