Datasheet VSC7514 (Microchip) - 10

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Block Diagram. 159 Figure 56 Shared Bus memory . 162 Figure 57 Chip Registers Memory Map . 164 Figure 58 SI Slave Mode Register . 166 Figure 59 Write Sequence for SI . 167 Figure 60 Read Sequence for SI_CLK Slow . 168 Figure 61 Read Sequence for SI_CLK Pause . 168 Figure 62 Read Sequence for One-Byte Padding . 168 Figure 63 MIIM Slave Write Sequence . 170 Figure 64 MIIM Slave Read Sequence . 170 Figure 65 FDMA DCB Layout . 181 Figure 66 FDMA Channel States . 182 Figure 67 FDMA Channel Interrupt Hierarchy . 184 Figure 68 Extraction Status Word Encoding . 185 Figure 69 Injection Status Word Encoding . 186 Figure 70 SI Boot Controller Memory Map in 24-Bit Mode . 187 Figure 71 SI Boot Controller Memory Map in 32-Bit Mode . 187 Figure 72 SI Read Timing in Normal Mode . 188 Figure 73 SI Read Timing in Fast Mode . 188 Figure 74 SIMC SPI Clock Configurations . 191 Figure 75 SIMC SPI 3x Transfers . 191 Figure 76 Memory Controller ODT Hookup . 196 Figure 77 UART Timing . 199 Figure 78 Two-Wire Serial Interface Timing for 7-bit Address Access . 202 Figure 79 MII Management Timing . 203 Figure 80 SIO Timing . 209 Figure 81 SIO Timing with SGPIOs Disabled . 209 Figure 82 SGPIO Output Order . 210 Figure 83 Link Activity Timing . 212 Figure 84 Monitor State Diagram . 215 Figure 85 Memory Detection Logic . 216 Figure 86 Interrupt Source Logic . 219 Figure 87 Interrupt Destination Logic . 220 Figure 88 Port Module Interrupt Logic . 221 Figure 89 MAN Access Switch Setup . 234 Figure 90 ISP Example for Private VLAN . 237 Figure 91 DMZ Example for Private VLAN . 238 Figure 92 Asymmetric VLANs . 239 Figure 93 Spanning Tree Example . 241 Figure 94 Multiple Spanning Tree Example . 243 Figure 95 Link Aggregation Example . 249 Figure 96 Port Mirroring Example . 251 Figure 97 Resulting ACL for Lookup with PAG = (A) and IGR_PORT_MASK = (1<<8) . 260 Figure 98 CPU Extraction and Injection . 265 Figure 99 Thermal Diode . 273 Figure 100 Reset Signal Timing . 280 Figure 101 SI Timing Diagram for Master Mode . 281 Figure 102 SI Input Data Timing Diagram for Slave Mode . 282 Figure 103 SI Output Data Timing Diagram for Slave Mode . 283 Figure 104 Two-Wire Serial Interface Timing . 287 Figure 105 Pin Diagram, Top Left . 291 Figure 106 Pin Diagram, Top Right . 292 Figure 107 Package Drawing . 311 Figure 108 2.5 V CMOS Single-Ended REFCLK Input Resistor Network . 314 Figure 109 3.3 V CMOS Single-Ended REFCLK Input Resistor Network . 314 Figure 110 16-Bit DDR3 SDRAM Point-to-Point Routing . 316 Figure 111 External Temperature Monitor Connection . 318 VMDS-10491 VSC7514 Datasheet Revision 4.2 x Document Outline 1 Revision History 1.1 Revision 4.2 1.2 Revision 4.1 1.3 Revision 4.0 1.4 Revision 2.1 1.5 Revision 2.0 2 Product Overview 2.1 General Features 2.1.1 Layer 2 Switching 2.1.2 Layer 2 Multicast 2.1.3 Quality of Service 2.1.4 Security 2.1.5 Management 2.1.6 Product Parameters 2.2 Applications 2.3 Functional Overview 2.3.1 Frame Arrival 2.3.2 Basic and Advanced Frame Classification 2.3.3 Versatile Content Aware Processor (VCAP) 2.3.4 Policing 2.3.5 Layer-2 Forwarding 2.3.6 Shared Queue System and Egress Scheduler 2.3.7 Rewriter and Frame Departure 2.3.8 CPU Port Module 2.3.9 Synchronous Ethernet and Precision Time Protocol 2.3.10 CPU System and Interfaces 3 Functional Descriptions 3.1 Port Numbering and Mappings 3.1.1 Supported SerDes Interfaces 3.1.2 Dual-Media Mode 3.1.3 QSGMII 3.1.4 Miscellaneous Port Muxing 3.1.5 PCIe Mode 3.1.6 Logical Port Numbers 3.2 Port Modules 3.2.1 MAC 3.2.2 PCS 3.3 SERDES1G 3.3.1 SERDES1G Basic Configuration 3.3.2 SERDES1G Loopback Modes 3.3.3 Synchronous Ethernet 3.3.4 SERDES1G Deserializer Configuration 3.3.5 SERDES1G Serializer Configuration 3.3.6 SERDES1G Input Buffer Configuration 3.3.7 SERDES1G Output Buffer Configuration 3.3.8 SERDES1G Clock and Data Recovery (CDR) in 100BASE-FX 3.3.9 Energy Efficient Ethernet 3.3.10 SERDES1G Data Inversion 3.4 SERDES6G 3.4.1 SERDES6G Basic Configuration 3.4.2 SERDES6G Loopback Modes 3.4.3 Synchronous Ethernet 3.4.4 SERDES6G Deserializer Configuration 3.4.5 SERDES6G Serializer Configuration 3.4.6 SERDES6G Input Buffer Configuration 3.4.7 SERDES6G Output Buffer Configuration 3.4.8 SERDES6G Clock and Data Recovery (CDR) in 100BASE-FX 3.4.9 Energy Efficient Ethernet 3.4.10 SERDES6G Data Inversion 3.4.11 SERDES6G Signal Detection Enhancements 3.4.12 High-Speed I/O Configuration Bus 3.5 Copper Transceivers 3.5.1 Register Access 3.5.2 Cat5 Twisted Pair Media Interface 3.5.3 Wake-On-LAN and SecureOn 3.5.4 Ethernet Inline Powered Devices 3.5.5 IEEE 802.3af PoE Support 3.5.6 ActiPHY™ Power Management 3.5.7 Testing Features 3.5.8 VeriPHY™ Cable Diagnostics 3.6 Statistics 3.6.1 Port Statistics 3.6.2 Accessing and Clearing Counters 3.7 Basic Classifier 3.7.1 General Data Extraction Setup 3.7.2 Frame Acceptance Filtering 3.7.3 QoS, DP, and DSCP Classification 3.7.4 VLAN Classification 3.7.5 Link Aggregation Code Generation 3.7.6 CPU Forwarding Determination 3.8 VCAP 3.8.1 Port Configuration 3.8.2 VCAP IS1 3.8.3 VCAP IS2 3.8.4 VCAP ES0 3.8.5 Range Checkers 3.8.6 VCAP Configuration 3.8.7 Advanced VCAP Operations 3.9 Analyzer 3.9.1 MAC Table 3.9.2 VLAN Table 3.9.3 Forwarding Engine 3.9.4 Analyzer Monitoring 3.10 Policers 3.10.1 Policer Allocation 3.10.2 Policer Burst and Rate Configuration 3.11 Shared Queue System 3.11.1 Buffer Management 3.11.2 Frame Reference Management 3.11.3 Resource Depletion Condition 3.11.4 Configuration Example 3.11.5 Watermark Programming and Consumption Monitoring 3.11.6 Advanced Resource Management 3.11.7 Ingress Pause Request Generation 3.11.8 Tail Dropping 3.11.9 Test Utilities 3.11.10 Energy Efficient Ethernet 3.12 Scheduler and Shapers 3.12.1 Scheduler Element 3.12.2 Egress Shapers 3.12.3 Deficit Weighted Round Robin 3.12.4 Round Robin 3.12.5 Shaping and DWRR Scheduling Examples 3.13 Rewriter 3.13.1 VLAN Editing 3.13.2 DSCP Remarking 3.13.3 FCS Updating 3.13.4 PTP Time Stamping 3.13.5 Special Rewriter Operations 3.14 CPU Port Module 3.14.1 Frame Extraction 3.14.2 Frame Injection 3.14.3 Node Processor Interface (NPI) 3.14.4 Frame Generation Engine for Periodic Transmissions 3.15 VRAP Engine 3.15.1 VRAP Request Frame Format 3.15.2 VRAP Response Frame Format 3.15.3 VRAP Header Format 3.15.4 VRAP READ Command 3.15.5 VRAP WRITE Command 3.15.6 VRAP READ-MODIFY-WRITE Command 3.15.7 VRAP IDLE Command 3.15.8 VRAP PAUSE Command 3.16 Layer 1 Timing 3.17 Hardware Time Stamping 3.17.1 Time Stamp Classification 3.17.2 Time of Day Generation 3.17.3 Hardware Time Stamping Module 3.17.4 Configuring I/O Delays 3.18 Clocking and Reset 3.18.1 Pin Strapping 4 VCore-III System and CPU Interfaces 4.1 VCore-III Configurations 4.2 Clocking and Reset 4.2.1 Watchdog Timer 4.3 Shared Bus 4.3.1 VCore-III Shared Bus Arbitration 4.3.2 Chip Register Region 4.3.3 SI Flash Region 4.3.4 DDR3/DDR3L Region 4.3.5 PCIe Region 4.4 VCore-III CPU 4.4.1 Little Endian and Big Endian Support 4.4.2 Software Debug and Development 4.5 External CPU Support 4.5.1 Register Access and Multimaster Systems 4.5.2 Serial Interface in Slave Mode 4.5.3 MIIM Interface in Slave Mode 4.5.4 Access to the VCore Shared Bus 4.5.5 Mailbox and Semaphores 4.6 PCIe Endpoint Controller 4.6.1 Accessing Endpoint Registers 4.6.2 Enabling the Endpoint 4.6.3 Base Address Registers Inbound Requests 4.6.4 Outbound Interrupts 4.6.5 Outbound Access 4.6.6 Power Management 4.6.7 Device Reset Using PCIe 4.7 Frame DMA 4.7.1 DMA Control Block Structures 4.7.2 Enabling and Disabling FDMA Channels 4.7.3 Channel Counters 4.7.4 FDMA Events and Interrupts 4.7.5 FDMA Extraction 4.7.6 FDMA Injection 4.7.7 Manual Mode 4.8 VCore-III System Peripherals 4.8.1 SI Boot Controller 4.8.2 SI Master Controller 4.8.3 DDR3/DDR3L Memory Controller 4.8.4 Timers 4.8.5 UARTs 4.8.6 Two-Wire Serial Interface 4.8.7 MII Management Controller 4.8.8 GPIO Controller 4.8.9 Serial GPIO Controller 4.8.10 Fan Controller 4.8.11 Temperature Sensor 4.8.12 Memory Integrity Monitor 4.8.13 Interrupt Controller 5 Features 5.1 Switch Control 5.1.1 Switch Initialization 5.2 Port Module Control 5.2.1 Port Reset Procedure 5.2.2 Port Counters 5.3 Layer-2 Switch 5.3.1 Basic Switching 5.3.2 Standard VLAN Operation 5.3.3 Provider Bridges and Q-in-Q Operation 5.3.4 Private VLANs 5.3.5 Asymmetric VLANs 5.3.6 Spanning Tree Protocols 5.3.7 IEEE 802.1X: Network Access Control 5.3.8 Link Aggregation 5.3.9 Simple Network Management Protocol (SNMP) 5.3.10 Mirroring 5.4 IGMP and MLD Snooping 5.4.1 IGMP and MLD Snooping Configuration 5.4.2 IP Multicast Forwarding Configuration 5.5 Quality of Service (QoS) 5.5.1 Basic QoS Configuration 5.5.2 IPv4 and IPv6 DSCP Remarking 5.5.3 Voice over IP (VoIP) 5.6 VCAP Applications 5.6.1 Notation for Control Lists Entries 5.6.2 Ingress Control Lists 5.6.3 Access Control Lists 5.6.4 Source IP Filter (SIP Filter) 5.6.5 DHCP Application 5.6.6 ARP Filtering 5.6.7 Ping Policing 5.6.8 TCP SYN Policing 5.7 CPU Extraction and Injection 5.7.1 Forwarding to CPU 5.7.2 Frame Extraction 5.7.3 Frame Injection 5.7.4 Frame Extraction and Injection Using An External CPU 6 Registers 7 Electrical Specifications 7.1 DC Specifications 7.1.1 Internal Pull-Up or Pull-Down Resistors 7.1.2 Reference Clock Inputs 7.1.3 PLL Clock Outputs 7.1.4 DDR3 SDRAM Signals 7.1.5 DDR3L SDRAM Signals 7.1.6 SERDES1G 7.1.7 SERDES6G 7.1.8 GPIO, SI, JTAG, and Miscellaneous Signals 7.1.9 Thermal Diode 7.2 AC Specifications 7.2.1 REFCLK Reference Clock (1G and 6G Serdes) 7.2.2 PLL Clock Outputs 7.2.3 SERDES1G 7.2.4 SERDES6G 7.2.5 Reset Timing Specifications 7.2.6 MIIM Timing Specifications 7.2.7 SI Boot Timing Master Mode Specifications 7.2.8 SI Timing Master Mode Specifications 7.2.9 SI Timing Slave Mode Specifications 7.2.10 DDR3/DDR3L SDRAM Input Signal Specifications 7.2.11 DDR3/DDR3L SDRAM Output Signal Specifications 7.2.12 JTAG Interface Specifications 7.2.13 Serial I/O Timing Specifications 7.2.14 Recovered Clock Outputs Specifications 7.2.15 Two-Wire Serial Interface Specifications 7.2.16 IEEE1588 Time Tick Output Specifications 7.3 Current and Power Consumption 7.4 Operating Conditions 7.4.1 Power Supply Sequencing 7.5 Stress Ratings 8 Pin Descriptions 8.1 Pin Diagram 8.2 Pins by Function 9 Package Information 9.1 Package Drawing 9.2 Thermal Specifications 9.3 Moisture Sensitivity 10 Design Guidelines 10.1 Power Supplies 10.2 Power Supply Decoupling 10.2.1 Reference Clock 10.2.2 Single-Ended REFCLK Input 10.3 Interfaces 10.3.1 General Recommendations 10.3.2 SerDes Interfaces (SGMII, 2.5G, QSGMII) 10.3.3 Serial Interface 10.3.4 PCI Express Interface 10.3.5 Two-Wire Serial Interface 10.3.6 DDR3 SDRAM Interface 10.3.7 Thermal Diode External Connection 11 Ordering Information