KSZ8895MLUBLow-Power Dissipation • Full-Chip Hardware Power-Down • Full-Chip Software Power-Down and Per Port Software Power-Down • Energy-Detect Mode Support <100 mW Full-Chip Power Consumption When All Ports Have No Activity • Very-Low Full-Chip Power Consumption (<0.5W) in Standalone 5-Port, without Extra Power Con- sumption on Transformers • Dynamic Clock Tree Shutdown Feature • Voltages: Single 3.3V Supply with 3.3V VDDIO and Internal 1.2V LDO Controller Enabled, or External 1.2V LDO Solution - Analog VDDAT 3.3V Only - VDDIO Support 3.3V, 2.5V, and 1.8V - Low 1.2V Core Power • Industrial Temperature Range: –40°C to +85°C • Available in 128-pin LQFP, Lead-Free Package Applications • In-Vehicle Diagnostics (OBD) • High-Speed Software Download • Gateway Switch • Head Unit • Rear Seat Entertainment DS00002680A-page 2 2018 Microchip Technology Inc. Document Outline 1.0 Introduction 1.1 General Description 2.0 Pin Description and Configuration 3.0 Functional Description 3.1 Physical Layer Transceiver 3.2 Power 3.3 Power Management 3.4 Switch Core 3.5 Advanced Functionality 3.6 MII Management (MIIM) Interface 3.7 Serial Management Interface (SMI) 4.0 Register Descriptions 4.1 Global Registers 4.2 Port Registers 4.3 Advanced Control Registers 4.4 Static MAC Address Table 4.5 VLAN Table 4.6 Dynamic MAC Address Table 4.7 Management Information Base (MIB) Counters 4.8 MIIM Registers 5.0 Operational Characteristics 5.1 Absolute Maximum Ratings* 5.2 Operating Ratings*** 6.0 Electrical Characteristics 7.0 Timing Diagrams 7.1 EEPROM Timing 7.2 SNI Timing 7.3 MII Timing 7.4 SPI Timing 7.5 Auto-Negotiation Timing 7.6 Reset Timing 8.0 Reset Circuit 9.0 Selection of Isolation Transformer, (Note 9-1) 10.0 Package Outline Appendix A: Data Sheet Revision History The Microchip Web Site Customer Change Notification Service Customer Support Product Identification System Worldwide Sales and Service
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