KSZ8775

The KSZ8775CLX is a highly integrated, Layer 2-managed, five-port switch with numerous features designed to reduce system cost. It is intended for cost-sensitive applications requiring three 10/100Mbps copper ports, one RMII on Port 4, and one 10/100/1000Mbps Gigabit uplink port on Port 5.

The KSZ8775CLX incorporates a small package outline, the lowest power consumption with internal biasing, and on-chip termination. Its extensive set of features include enhanced power management, programmable rate limiting and priority ratio, tagged and port-based VLAN, port-based security and ACL rule-based packet filtering technology, QoS priority with four queues, management interfaces, enhanced MIB counters, high-performance memory bandwidth, and a shared memory-based switch fabric with non-blocking support.

The KSZ8775CLX provides support for multiple CPU data interfaces to effectively address both current and emerging fast Ethernet and Gigabit Ethernet applications where the Port 5 GMAC can be configured to any of the RGMII, MII, and RMII modes.

The KSZ8775CLX product is built upon Microchip's industry-leading Ethernet analog and digital technology, with features designed to offload host processing and streamline the overall design.

- Three integrated 10/100Base-T/TX MAC/PHYs
- One integrated 10/100Base-T/TX MAC with RMII interface
- One integrated 10/100/1000Base-T/TX GMAC with selectable RGMII, MII, and RMII interfaces
- Small 80-pin LQFP package

A robust assortment of power management features including energy-efficient Ethernet (EEE), power management event (PME), and wake-on-LAN (WoL) have been designed in to satisfy energy efficient environments. All registers in the MAC/PHY units can be managed through the SPI interface. MIIM PHY registers can be accessed through the MDC/MDIO interface.

Microchip's complimentary and confidential LANCheck® online design review service is available for customers who have selected our products for their application design-in. The  is subject to Microchip's  and requires a myMicrochip account.

产品特性
  • New generation switch with four MACs, one GMAC (for uplink) and three PHYs that are fully compliant with the IEEE 802.3u standard
  • 10/100Base-T/TX switch system which combines a switch engine, frame buffer management, address lookup table, queue management, MIB counters, MAC, and PHY transceivers
  • Rapid spanning tree support (RSTP) for topology management
  • Microchip's LinkMD® cable diagnostic capabilities for determining cable opens, shorts, and length
  • IEEE 802.1q VLAN support for up to 128 active VLAN groups (full range 4096 of VLAN IDs)
  • Support 802.1x port-based security and MAC-based authentication via access control lists (ACL)
  • 802.1p, DiffServ-based and Re-mapping of 802.1p priority field, per-port basis on four priority levels
  • 4 priority queues with dynamic mapping for IEEE 802.1P, IPV4 ToS (DiffServ), IPV6 Traffic Class, etc
  • Programmable rate limiting at the ingress and egress ports on a per port basis
  • High-speed SPI (4-wire, up to 50MHz) interface to access all internal registers
  • MII management (MIIM, MDC/MDIO 2 wire) interface to access all PHY registers per IEEE 802.3 specification
  • Control registers configurable on-the-fly
  • Port mirroring/monitoring/sniffing: ingress and/or egress traffic to any port or MII/RMII
  • MIB counters for fully-compliant statistics gathering (36 MIB counters per port)
  • Full-chip software power-down
  • Energy detect power-down (EDPD)
  • Support IEEE P802.3az Energy Efficient Ethernet (EEE)
  • Wake on LAN (WoL) support
技术参数
Parameter Name Value Value
Description 5-Port 10/100 Ethernet Switch with 2 RGMII/GMII/RMII 5-Port 10/100 Ethernet Switch with 2 RGMII/GMII/RMII
Ethernet Bandwidth 10Base-T/100Base-TX 10Base-T/100Base-TX
MAC 3 3
PHY 5 5
TX/RX RAM Buffer(Bytes) n/a n/a
Interrupt Pin Yes Yes
LEDs 6 6
Op. Voltage (V) 3.3 3.3
# Ethernet Ports 3 3
Interface RGMII/MII/RMII RGMII/MII/RMII
Temp. Range Min. (°C) -40 -40
Temp. Range Max. (°C) 85 85
Host Interface RGMII/MII/RMII RGMII/MII/RMII
Dual MII Support Yes Yes
# of Ether Ports 5 5
Managed Yes Yes
Copper Support 10/100 (3) 10/100 (3)
MII Yes Yes
RMII Yes Yes
RGMII Yes Yes
Supply Voltage (V) 3.3 3.3
Vdd I/O (V) 1.8/2.5/3.3 1.8/2.5/3.3
LinkMD Cable Diag Yes Yes
Int Term Yes Yes
Pin-Pin With n/a n/a
ESD Rating (KV) 5KV 5KV
Smart Power Adjust Yes Yes
WOL Yes Yes
Largest Pkt-Size Bytes 2000 2000
IPV6 Yes Yes
# of VLAN 128 128
Flow Ctrl Yes Yes
Rate Limiting Yes Yes
Rapid Spanning Tree Yes Yes
Static MAC Addr Yes Yes
文档资料
KSZ8775CLX - Integrated 5-Port 10/100 Managed Ethernet Switch with Port 4 RMIIData Sheets07/20/20162235KB
KSZ879x/KSZ877x/KSZ876x Silicon Errata and Data Sheet ClarificationErrata01/22/2016197KB
AN2157 - Transient Protection in Power Over Ethernet ApplicationsAppNote05/24/2016229KB
Micrel AN 109 - Unmanaged Ethernet Redundant RingAppNote10/02/201567KB
Micrel AN 114 - Virtual LANAppNote10/02/201585KB
Micrel AN 24 - Ethernet over POFAppNote10/01/2015149KB
Micrel AN 25 - EtherSynch - Synchronization PerfectedAppNote10/01/2015267KB
Micrel AN 27 - Fast Ethernet: Delivery of Data in Industrial ApplicationsAppNote10/01/2015108KB
Micrel AN 31 - General PCB Design and Layout GuidelinesAppNote10/01/2015104KB
Micrel AN 32 - Get in Sync!AppNote10/01/20151432KB
Micrel AN 44 - Interfacing Fast Ethernet to ProcessorsAppNote10/01/2015149KB
Micrel AN 45 - Interfacing Fast Ethernet Transceivers to MAC ProcessorsAppNote10/01/2015122KB
Micrel AN 57 - Management Interfaces for Micrel SwitchesAppNote10/02/2015171KB
Micrel AN 8 - Capacitive Coupling Ethernet Transceivers without Using TransformersAppNote09/30/2015103KB
Micrel AN 81 - PHY Speed and Duplex ConfigurationAppNote10/02/2015132KB
Micrel AN 91 - Reducing Maintenance Costs With Cable Diagnosis and Micrels LinkMDAppNote10/02/2015420KB
Micrel ANLAN207 - Management Interfaces for Micrel SwitchesAppNote11/12/2015171KB
KSZ8795/KSZ8794 Linux driver for revision 3.14 taredSoftware Library01/21/2016
KSZ8795/KSZ8794 Linux driver for revision 3.18 taredSoftware Library01/21/2016
KSZ8795/KSZ8794 Linux driver for revision 3.3 taredSoftware Library01/21/2016
Switch usage guide for Micrel and KSZ productsSoftware Library01/27/2016
KSZ8775CLX_DP_V1.0.zipDesign Guides02/19/20165255KB
订购型号
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
KSZ8775CLXCC80LQFP0C to +70CTRAY4.894.083.713.423.25
KSZ8775CLXIC80LQFP-40C to +85CTRAY5.874.894.454.113.90
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器件无铅环保信息
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
KSZ8775CLXIC1.46250080LQFP10x10x1.4mmMatte Tine3
KSZ8775CLXCC1.46250080LQFP10x10x1.4mmMatte Tine3
KSZ8775CLX - Integrated 5-Port 10/100 Managed Ethernet Switch with Port 4 RMII KSZ8775
KSZ879x/KSZ877x/KSZ876x Silicon Errata and Data Sheet Clarification KSZ8795
AN2157 LAN9355
Micrel AN 109 KSZ8999
Micrel AN 114 KSZ8997
Micrel AN 24 KSZ8997
Micrel AN 25 KSZ8997
Micrel AN 27 KSZ8997
Micrel AN 31 KSZ8997
Micrel AN 32 KSZ8997
Micrel AN 44 KSZ8997
Micrel AN 45 KSZ8999
Micrel AN 57 KSZ8995
Micrel AN 8 KSZ8997
Micrel AN 81 KSZ8999
Micrel AN 91 KSZ8997
Micrel ANLAN207 KSZ8995
KSZ8775CLX_DP_V1.0.zip KSZ8775
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