Datasheet KSZ8864CNX, KSZ8864RMNUB (Microchip) - 9

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KSZ8864CNX/RMNUB TABLE 2-1: SIGNALS - KSZ8864CNX/RMNUB (CONTINUED) Type, Pin Pin Note Port Pin Function, Note 2 Number Name 1
SM4RXDV: MAC4 switch SW4-MII receives data valid SM4RXDV/ 40 IPD/O 4 SM4CRSDV: MAC4 switch SW4-RMII carrier sense/receive data SM4CRSDV valid MAC4 switch MII receive bit 3 Strap option: 41 SM4RXD3 IPD/O 4 PD (default) = disable switch MII/RMII full-duplex flow control; PU = enable switch MII/RMII full-duplex flow control MAC4 switch MII receive bit 2 Strap option: 42 SM4RXD2 IPD/O 4 PD (default) = switch MII/RMII in full-duplex mode; PU = switch MII/RMII in Half-duplex mode MAC4 switch MII/RMII receive bit 1 Strap option: 43 SM4RXD1 IPD/O 4 PD (default) = MAC4 switch SW4-MII/RMII in 100 Mbps mode; PU = MAC4 switch SW5-MII/RMII in 10 Mbps mode MAC4 Switch MII/RMII receive bit 0. Strap option: LED mode PD (default) = mode 0; PU = Mode 1 See “Register 11 (0x0B): Global Control 9.” 44 SM4RXD0 IPD/O 4 — Mode 0 Mode 1 PxLED1 Link/Activity 100Link/Activity PxLED0 Speed Full-duplex MAC4 Switch MII collision detect: 45 SM4COL IPD/O 4 Input: SW4-MII MAC modes Output: SW4-MII PHY modes MAC4 Switch MII modes carrier sense: 46 SM4CRS IPD/O 4 Input: SW4-MII MAC modes Output: SW4-MII PHY modes Switch port 4 MAC4 MII modes select for PHY mode or MAC mode by the strap pins of SCONF[1,0]. See pins configuration below: Port 4 Switch MAC4 Pin# (47, 48) SW4-MII 47 SCONF1 IPD — 00 (default) Port 4 SW4-MII PHY mode 01 Disable port 3 and port 4 10 Disable port 4 only 11 Port 4 SW4-MII MAC mode 48 SCONF0 IPD — See Pin 47 description.  2018 Microchip Technology Inc. DS00002229D-page 9 Document Outline Integrated 4-Port 10/100 Managed Switch with Two MACs MII or RMII Interfaces 1.0 Introduction 1.1 General Description FIGURE 1-1: Functional Diagram 2.0 Pin Description and Configuration FIGURE 2-1: 64-QFN Pin Assignment (TOP View) TABLE 2-1: Signals - KSZ8864CNX/RMNUB TABLE 2-2: Strap-In Options - KSZ8864CNX/RMNUB 3.0 Functional Description 3.1 Physical Layer Transceiver 3.1.1 100BASE-TX Transmit 3.1.2 100BASE-TX Receive 3.1.3 PLL Clock Synthesizer 3.1.4 Scrambler/De-Scrambler (100BASE-TX Only) 3.1.5 10BASE-T Transmit 3.1.6 10BASE-T Receive 3.1.7 MDI/MDI-X Auto Crossover TABLE 3-1: MDI/MDI-X Pin Definitions FIGURE 3-1: Typical Straight Cable Connection FIGURE 3-2: Typical Crossover Cable Connection 3.1.8 Auto-Negotiation FIGURE 3-3: Auto-Negotiation Flow Chart 3.1.9 LinkMD® Cable Diagnostics 3.1.10 On-Chip Termination Resistors 3.2 Power Management TABLE 3-2: Internal Function Block Status 3.2.1 Normal Operation Mode 3.2.2 Energy Detect Mode 3.2.3 Soft Power-Down Mode 3.2.4 Power-Saving Mode 3.2.5 Port-Based Power-Down Mode 3.3 Switch Core 3.3.1 Address Look-Up 3.3.2 Learning 3.3.3 Migration 3.3.4 Aging 3.3.5 Forwarding 3.3.6 Switching Engine 3.3.7 Media Access Control (MAC) Operation 3.3.8 Inter-Packet Gap (IPG) 3.3.9 Back-Off Algorithm 3.3.10 Late Collision 3.3.11 Illegal Frames 3.3.12 Flow Control FIGURE 3-4: Destination Address Look-Up Flow Chart - Stage 1 FIGURE 3-5: Destination Address Resolution Flow Chart - Stage 2 3.3.13 Half-Duplex Back Pressure 3.3.14 Broadcast Storm Protection 3.3.15 MII Interface Operation 3.3.16 Switch MAC3/MAC4 SW3/SW4-MII Interface TABLE 3-3: Switch MAC3 SW3-MII and Mac4 SW4-MII Signals 3.3.17 Switch MAC3/MAC4 SW3/SW4-RMII Interface TABLE 3-4: MAC3 SW3-RMII and MAC4 SW4-RMII Connections 3.4 Advanced Functionality 3.4.1 QoS Priority Support FIGURE 3-6: 802.1p Priority Field Format 3.4.2 Spanning Tree Support 3.4.3 Rapid Spanning Tree Support 3.4.4 Tail Tagging Mode FIGURE 3-7: Tail Tag Frame Format TABLE 3-5: Tail Tag Rules 3.4.5 IGMP Support 3.4.6 Port Mirroring Support 3.4.7 VLAN Support TABLE 3-6: FID+DA Look Up in VLAN Mode TABLE 3-7: FID+SA Look Up in VLAN Mode 3.4.8 Rate Limiting Support 3.4.9 Ingress Rate Limit 3.4.10 Egress Rate Limit 3.4.11 Transmit Queue Ratio Programming 3.4.12 Filtering for Self-Address, Unknown Unicast/Multicast Address and Unknown VID Packet/IP Multicast 3.4.13 Configuration Interface FIGURE 3-8: EEPROM Configuration Timing Diagram 3.4.14 SPI Slave Serial Bus Configuration TABLE 3-8: SPI Connections FIGURE 3-9: SPI Write Data Cycle FIGURE 3-10: SPI Read Data Cycle FIGURE 3-11: SPI Multiple Write FIGURE 3-12: SPI Multiple Read 3.5 MII Management (MIIM) Interface TABLE 3-9: MII Management Frame Format 3.6 Serial Management Interface (SMI) TABLE 3-10: Serial Management Interface (SMI) Frame Format 4.0 Register Descriptions TABLE 4-1: Registers Descriptions 4.1 Global Registers TABLE 4-2: Global Register Descriptions 4.2 Port Registers TABLE 4-3: Port Registers 4.3 Advanced Control Registers TABLE 4-4: Advanced Control Register Descriptions TABLE 4-5: Data Rate Selection in 100BT TABLE 4-6: Data Rate Selection in 10BT 4.4 Static MAC Address Table TABLE 4-7: Format of Static MAC Table for Reads TABLE 4-8: Format of Static MAC Table for Writes 4.5 VLAN Table TABLE 4-9: VLAN Table TABLE 4-10: VLAN ID and Indirect Registers 4.6 Dynamic MAC Address Table TABLE 4-11: Dynamic MAC Address Table 4.7 Management Information Base (MIB) Counters TABLE 4-12: MIB Counters 4.8 MIIM Registers TABLE 4-13: MIIM Registers 5.0 Operational Characteristics 5.1 Absolute Maximum Ratings* 5.2 Operating Ratings*** 6.0 Electrical Characteristics TABLE 6-1: Electrical Characteristics 7.0 Timing Diagrams 7.1 EEPROM Timing FIGURE 7-1: EEPROM Interface Input Receive Timing Diagram FIGURE 7-2: EEPROM Interface Output Transmit Timing Diagram TABLE 7-1: EEPROM Timing Parameters 7.2 MII Timing FIGURE 7-3: MAC Mode MII Timing - Data Received from MII FIGURE 7-4: MAC Mode MII TIming - Data Transmitted from MII TABLE 7-2: MAC Mode MII Timing Parameters FIGURE 7-5: PHY Mode MII Timing - Data Received from MII FIGURE 7-6: PHY Mode MII Timing - Data Transmitted from MII TABLE 7-3: PHY Mode MII Timing Parameters 7.3 RMII Timing FIGURE 7-7: RMII Timing - Data Received from RMII FIGURE 7-8: RMII Timing - Data Transmitted to RMII TABLE 7-4: RMII Timing Parameters 7.4 SPI Timing FIGURE 7-9: SPI Input TiminG FIGURE 7-10: SPI OUTput Timing TABLE 7-5: SPI Timing Parameters 7.5 Auto-Negotiation Timing FIGURE 7-11: Auto-Negotiation Timing TABLE 7-6: Auto-Negotiation Timing Parameters 7.6 MDC/MDIO Timing FIGURE 7-12: MDC/MDIO Timing TABLE 7-7: MDC/MDIO Typical Timing Parameters 7.7 Reset Timing FIGURE 7-13: Reset Timing Diagram TABLE 7-8: Reset Timing Parameters 8.0 Reset Circuit FIGURE 8-1: Recommended Reset Circuit FIGURE 8-2: Recommended Reset Circuit for CPU/FPGA Reset Output 9.0 Selection of Isolation Transformer, (Note 1) TABLE 9-1: Transformer Selection Criteria 9.0.1 Selection of Transformer Vendors TABLE 9-2: Qualified Magnetic Vendors 9.0.2 Selection of Reference Crystal TABLE 9-3: Typical Reference Crystal Characteristics 10.0 Package Outline FIGURE 10-1: 64-Lead QFN 8 mm x 8 mm Package The Microchip WebSite Customer Change Notification Service Customer Support Appendix A: Data Sheet Revision history Product Identification System AMERICAS Corporate Office Atlanta Austin, TX Boston Chicago Dallas Detroit Houston, TX Indianapolis Los Angeles Raleigh, NC New York, NY San Jose, CA Canada - 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