Realtek8口千兆交换机芯片RTL8370N 带原理图与PCB

 RTL8370N-VB: Single-chip 8-port gigabit non-blocking switch architecture  Embedded 8-port 10/100/1000Base-T PHY  Each port supports full duplex 10/100/1000M connectivity (half duplex only supported in 10/100M mode)  Full-duplex and half-duplex operation with IEEE 802.3x flow control and backpressure  Supports 9216-byte jumbo packet length forwarding at wire speed  Supports Realtek Cable Test (RTCT) function  Supports 96-entry ACL Rules  Search keys support physical port, Layer2, Layer3, and Layer4 information  Actions support mirror, redirect, dropping, priority adjustment, traffic policing, CVLAN decision, and SVLAN assignment  Supports 5 types of user defined ACL rule format for 64 ACL rules  Optional per-port enable/disable of ACL function  Optional setting of per-port action to take when ACL mismatch  Supports IEEE 802.1Q VLAN  Supports 4K VLANs and 32 Extra Enhanced VLANs  Supports Un-tag definition in each VLAN  Supports VLAN policing and VLAN forwarding decision  Supports Port-based, Tag-based, and Protocol-based VLAN  Up to 4 Protocol-based VLAN entries  Supports per-port and per-VLAN egress VLAN tagging and un-tagging  Supports IVL, SVL, and IVL/SVL  Supports 4096-entry MAC address table with 4-way hash algorithm  Up to 4096 L2/L3 Filtering Database  Supports Spanning Tree port behavior configuration  IEEE 802.1w Rapid Spanning Tree  IEEE 802.1s Multiple Spanning Tree with up to 16 Spanning Tree instances  Supports IEEE 802.1x Access Control Protocol  Port-Based Access Control  MAC-Based Access Control  Guest VLAN  Supports Quality of Service (QoS)  Supports per port Input Bandwidth Control  Traffic classification based on IEEE 802.1p/Q priority definition, physical Port, IP DSCP field, ACL definition, VLAN based priority, MAC based priority, and SVLAN based priority  Eight Priority Queues per port  Per queue flow control  Min-Max Scheduling  Strict Priority and Weighted Fair Queue (WFQ) to provide minimum bandwidth  One leaky bucket to constrain the average packet rate of each queue  Supports rate limiting (64 shared meters, with 8kpbs granulation)  Supports RFC MIB Counter  MIB-II (RFC 1213)  Ethernet-Like MIB (RFC 3635)  Interface Group MIB (RFC 2863)  RMON (RFC 2819)  Bridge MIB (RFC 1493)  Bridge MIB Extension (RFC 2674)  Supports Stacking VLAN and Port Isolation with 8 Enhanced Filtering Databases  Supports IEEE 802.1ad Stacking VLAN  Supports 64 SVLANs  Supports 32 L2/IPv4 Multicast mappings to SVLAN  Supports 4 IEEE 802.3ad Link aggregation port groups  Supports OAM and EEE LLDP (Energy Efficient Ethernet Link Layer Discovery Protocol  Supports Loop Detection  Security Filtering  Disable learning for each port  Disable learning-table aging for each port  Drop unknown DA for each port  Broadcast/Multicast/Unknown DA storm control protects system from attack by hackers  Supports Realtek Green Ethernet features  Link-On Cable Length Power Saving  Link-Down Power Saving  Each port supports 3 parallel LED or scan LED or serial shift LED outputs  Supports I 2 C-like Slave interface or Slave MII Management interface to access configuration register  Supports 16K-byte EEPROM space for configuration  Integrated 8051 microprocessor  Supports SPI Flash Interface  25MHz crystal input  RTL8370N-VB: LQFP 128-pin E-PAD package