Power Management...............................................................................................................................................................29
MDI/MDI-X Auto Crossover ...................................................................................................................................................29
Auto Negotiation ....................................................................................................................................................................30
MAC Operation......................................................................................................................................................................35
Inter Packet Gap (IPG) ..........................................................................................................................................................35
Late Collision .........................................................................................................................................................................35
Flow Control ..........................................................................................................................................................................35
Bus Interface Unit (BIU)......................................................................................................................................... 36
Spanning Tree Support..........................................................................................................................................................44
“Multicast Address Insertion” in the Static MAC Table ......................................................................................................45
Port Mirroring Support ...........................................................................................................................................................45
DiffServ based Priority...........................................................................................................................................................47
Rate Limiting Support ............................................................................................................................................................47
MAC Filtering Function ..........................................................................................................................................................48
Loopback Support .................................................................................................................................................................49
Internal I/O Space Mapping ...................................................................................................................................................52
Bit Type Definition .................................................................................................................................................................60
Bank 0-63 Bank Select Register (0x0E): BSR (same location in all Banks) ..........................................................................60
Bank 0 Base Address Register (0x00): BAR .........................................................................................................................60
Bank 0 QMU RX Flow Control High Watermark Configuration Register (0x04): QRFCR ......................................................61
Bank 0 Bus Error Status Register (0x06): BESR ...................................................................................................................61
Bank 0 Bus Burst Length Register (0x08): BBLR ..................................................................................................................61
Bank 1: Reserved ..................................................................................................................................................................62
Bank 2 Host MAC Address Register Low (0x00): MARL .......................................................................................................62
Bank 2 Host MAC Address Register Middle (0x02): MARM ..................................................................................................62
Bank 2 Host MAC Address Register High (0x04): MARH......................................................................................................62
Bank 3 On-Chip Bus Control Register (0x00): OBCR............................................................................................................63
Bank 3 EEPROM Control Register (0x02): EEPCR...............................................................................................................63
Bank 3 Memory BIST INFO Register (0x04): MBIR...............................................................................................................64
Bank 3 Global Reset Register (0x06): GRR ..........................................................................................................................64
Bank 3 Bus Configuration Register (0x08): BCFG.................................................................................................................64
Bank 16 Transmit Control Register (0x00): TXCR .................................................................................................................65
Bank 16 Transmit Status Register (0x02): TXSR ..................................................................................................................65
Bank 16 Receive Control Register (0x04): RXCR .................................................................................................................65
Bank 16 TXQ Memory Information Register (0x08): TXMIR..................................................................................................66
Bank 16 RXQ Memory Information Register (0x0A): RXMIR.................................................................................................66
Bank 17 TXQ Command Register (0x00): TXQCR................................................................................................................67
Bank 17 RXQ Command Register (0x02): RXQCR ...............................................................................................................67
Bank 17 TX Frame Data Pointer Register (0x04): TXFDPR ..................................................................................................67
Bank 17 RX Frame Data Pointer Register (0x06): RXFDPR .................................................................................................68
Bank 17 QMU Data Register Low (0x08): QDRL...................................................................................................................68
Bank 17 QMU Data Register High (0x0A): QDRH .................................................................................................................68
Bank 18 Interrupt Enable Register (0x00): IER......................................................................................................................69
Bank 18 Interrupt Status Register (0x02): ISR.......................................................................................................................70
Bank 18 Receive Status Register (0x04): RXSR ...................................................................................................................71
Bank 18 Receive Byte Counter Register (0x06): RXBC ........................................................................................................72
Bank 19 Multicast Table Register 0 (0x00): MTR0 ................................................................................................................72
Bank 19 Multicast Table Register 1 (0x02): MTR1 ................................................................................................................72
Bank 19 Multicast Table Register 2 (0x04): MTR2 ................................................................................................................72
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