TS-MAC-E2-U4 Lattice

Tri-Speed Ethernet MAC IP User Guide April 2015 IPUG51 3.3Table of Contents Chapter 1. Introduction .......................................................................................................................... 5 Quick Facts ........................................................................................................................................................... 5 Features ................................................................................................................................................................ 6 Chapter 2. Functional Description ........................................................................................................ 7 Configuration Options ........................................................................................................................................... 7 Classic TSMAC Option ................................................................................................................................ 7 1G or SGMII Configurable Options .............................................................................................................. 8 Functional Overview.............................................................................................................................................. 9 System Block Diagrams ...................................................................................................................................... 11 Core Signal Descriptions..................................................................................................................................... 14 Host Interface............................................................................................................................................. 19 Receive MAC (Rx MAC) ............................................................................................................................ 19 Transmit MAC (Tx MAC)............................................................................................................................ 22 Internal Data Buffer and FIFO Interfaces................................................................................................... 24 (Optional) Media Independent Interface Management Module (MIIM) ...................................................... 24 Internal Registers................................................................................................................................................ 25 Register Descriptions .......................................................................................................................................... 26 MODE (R/W).............................................................................................................................................. 26 Transmit and Receive Control (R/W) ......................................................................................................... 27 Maximum Packet Size (R/W) ..................................................................................................................... 27 IPG (Inter-Packet Gap) (R/W).................................................................................................................... 27 MAC Address Register 0,1,2 (R/W), Set of Three................................................................................... 28 Transmit and Receive Status (RO) ............................................................................................................ 28 VLAN Tag (RO).......................................................................................................................................... 28 GMII Management Register Access Control (R/W) ...................................................................................29 GMII Management Access Data (R/W)...................................................................................................... 29 Multicast Tables (R/W), Set of Eight .......................................................................................................... 29 Pause Opcode (R/W)................................................................................................................................. 30 Timing Specifications .......................................................................................................................................... 30 Reception of a 64-Byte Frame Without Error -Rx MAC Application Interface............................................ 30 Reception of a 64-byte Frame with Error(s) - Rx MAC Application Interface............................................. 31 Reception of a 64-Byte Frame with FIFO Overflow - Rx MAC Application Interface ................................. 31 Successful Transmission of a 64-Byte Frame -Tx MAC Application Interface........................................... 32 Successful Transmission of a 64-byte Frame with FIFO Empty - Tx MAC Application Interface .............. 33 Aborted Transmission Due to FIFO Empty - Tx MAC Application Interface .............................................. 34 Reception and Transmission of 64-byte Frames With SGMII Easy Connect Option................................. 34 Host Interface Read/Write Operation .................................................................................................................. 35 Management Interface Read/Write Operation .................................................................................................... 36 GMII Transmit and Receive Operations (1G mode and Gigabit MAC Option)........................................... 36 MII Transmit and Receive Operations (10/100 Mode) ...............................................................................37 Chapter 3. Parameter Settings ............................................................................................................ 38 TSMAC Configuration Dialog Box....................................................................................................................... 38 Parameter Descriptions....................................................................................................................................... 38 MIIM MODULE.......................................................................................................................................... 38 Operation Mode ......................................................................................................................................... 38 Chapter 4. IP Core Generation and Evaluation .................................................................................. 39 IP Core Generation in IPexpress ........................................................................................................................ 39 Licensing the IP Core................................................................................................................................. 39 Getting Started........................................................................................................................................... 39 2015 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice. IPUG51 3.3, April 2015 2 Tri-Speed Ethernet MAC Users Guide