lan9311 Standard Microsystems Corp., lan9311 Datasheet - Page 10

• Manufacturer Part Number: lan9311
• Description: Lan9311/lan9311i Two Port 10/100 Managed Ethernet Switch With 16-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

14.5.4 Buffer Manager CSRs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Chapter 15 Operational Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
15.1
15.2
15.3
15.4
15.5
15.5.1 Equivalent Test Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
15.5.2 Reset and Configuration Strap Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
15.5.3 Power-On Configuration Strap Valid Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.5.4 PIO Read Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
15.5.5 PIO Burst Read Cycle Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
15.5.6 RX Data FIFO Direct PIO Read Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
Revision 1.2 (04-08-08)
14.5.3.8
14.5.3.9
14.5.3.10
14.5.3.11
14.5.3.12
14.5.3.13
14.5.3.14
14.5.3.15
14.5.3.16
14.5.3.17
14.5.3.18
14.5.3.19
14.5.3.20
14.5.3.21
14.5.3.22
14.5.3.23
14.5.3.24
14.5.3.25
14.5.3.26
14.5.3.26.1Ingress Rate Table Registers .................................................................................................398
14.5.3.27
14.5.3.28
14.5.3.29
14.5.3.30
14.5.3.31
14.5.3.32
14.5.3.33
14.5.3.34
14.5.3.35
14.5.3.36
14.5.3.37
14.5.3.38
14.5.3.39
14.5.3.40
14.5.4.1
14.5.4.2
14.5.4.3
14.5.4.4
14.5.4.5
14.5.4.6
14.5.4.7
14.5.4.8
14.5.4.9
14.5.4.10
14.5.4.11
14.5.4.12
14.5.4.13
14.5.4.14
14.5.4.15
14.5.4.16
14.5.4.17
14.5.4.18
14.5.4.19
14.5.4.20
14.5.4.21
14.5.4.22
14.5.4.23
14.5.4.24
14.5.4.25
14.5.4.26
14.5.4.27
Absolute Maximum Ratings*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
Operating Conditions** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
DC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Switch Engine VLAN Command Register (SWE_VLAN_CMD).................................................................................................................... 378
Switch Engine VLAN Write Data Register (SWE_VLAN_WR_DATA).......................................................................................................... 379
Switch Engine VLAN Read Data Register (SWE_VLAN_RD_DATA) .......................................................................................................... 380
Switch Engine VLAN Command Status Register (SWE_VLAN_CMD_STS) ............................................................................................... 381
Switch Engine DIFFSERV Table Command Register (SWE_DIFFSERV_TBL_CFG)................................................................................. 382
Switch Engine DIFFSERV Table Write Data Register (SWE_DIFFSERV_TBL_WR_DATA) ...................................................................... 383
Switch Engine DIFFSERV Table Read Data Register (SWE_DIFFSERV_TBL_RD_DATA) ....................................................................... 384
Switch Engine DIFFSERV Table Command Status Register (SWE_DIFFSERV_TBL_CMD_STS) ............................................................ 385
Switch Engine Global Ingress Configuration Register (SWE_GLOBAL_INGRSS_CFG)............................................................................. 386
Switch Engine Port Ingress Configuration Register (SWE_PORT_INGRSS_CFG) ..................................................................................... 388
Switch Engine Admit Only VLAN Register (SWE_ADMT_ONLY_VLAN)..................................................................................................... 389
Switch Engine Port State Register (SWE_PORT_STATE)........................................................................................................................... 390
Switch Engine Priority to Queue Register (SWE_PRI_TO_QUE) ................................................................................................................ 391
Switch Engine Port Mirroring Register (SWE_PORT_MIRROR).................................................................................................................. 392
Switch Engine Ingress Port Type Register (SWE_INGRSS_PORT_TYP) ................................................................................................... 393
Switch Engine Broadcast Throttling Register (SWE_BCST_THROT) .......................................................................................................... 394
Switch Engine Admit Non Member Register (SWE_ADMT_N_MEMBER)................................................................................................... 395
Switch Engine Ingress Rate Configuration Register (SWE_INGRSS_RATE_CFG) .................................................................................... 396
Switch Engine Ingress Rate Command Register (SWE_INGRSS_RATE_CMD)......................................................................................... 397
Switch Engine Ingress Rate Command Status Register (SWE_INGRSS_RATE_CMD_STS) .................................................................... 399
Switch Engine Ingress Rate Write Data Register (SWE_INGRSS_RATE_WR_DATA)............................................................................... 400
Switch Engine Ingress Rate Read Data Register (SWE_INGRSS_RATE_RD_DATA) ............................................................................... 401
Switch Engine Port 0 Ingress Filtered Count Register (SWE_FILTERED_CNT_MII) .................................................................................. 402
Switch Engine Port 1 Ingress Filtered Count Register (SWE_FILTERED_CNT_1) ..................................................................................... 403
Switch Engine Port 2 Ingress Filtered Count Register (SWE_FILTERED_CNT_2) ..................................................................................... 404
Switch Engine Port 0 Ingress VLAN Priority Regeneration Table Register (SWE_INGRSS_REGEN_TBL_MII) ........................................ 405
Switch Engine Port 1 Ingress VLAN Priority Regeneration Table Register (SWE_INGRSS_REGEN_TBL_1) ........................................... 406
Switch Engine Port 2 Ingress VLAN Priority Regeneration Table Register (SWE_INGRSS_REGEN_TBL_2) ........................................... 407
Switch Engine Port 0 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_MII) ............................................................................... 408
Switch Engine Port 1 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_1) .................................................................................. 409
Switch Engine Port 2 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_2) .................................................................................. 410
Switch Engine Interrupt Mask Register (SWE_IMR)..................................................................................................................................... 411
Switch Engine Interrupt Pending Register (SWE_IPR)................................................................................................................................. 412
Buffer Manager Configuration Register (BM_CFG) ...................................................................................................................................... 414
Buffer Manager Drop Level Register (BM_DROP_LVL)............................................................................................................................... 415
Buffer Manager Flow Control Pause Level Register (BM_FC_PAUSE_LVL)............................................................................................... 416
Buffer Manager Flow Control Resume Level Register (BM_FC_RESUME_LVL) ........................................................................................ 417
Buffer Manager Broadcast Buffer Level Register (BM_BCST_LVL)............................................................................................................. 418
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_MII) .................................................................................................... 419
Buffer Manager Port 1 Drop Count Register (BM_DRP_CNT_SRC_1) ....................................................................................................... 420
Buffer Manager Port 2 Drop Count Register (BM_DRP_CNT_SRC_2) ....................................................................................................... 421
Buffer Manager Reset Status Register (BM_RST_STS) .............................................................................................................................. 422
Buffer Manager Random Discard Table Command Register (BM_RNDM_DSCRD_TBL_CMD) ................................................................ 423
Buffer Manager Random Discard Table Write Data Register (BM_RNDM_DSCRD_TBL_WDATA) ........................................................... 424
Buffer Manager Random Discard Table Read Data Register (BM_RNDM_DSCRD_TBL_RDATA)............................................................ 425
Buffer Manager Egress Port Type Register (BM_EGRSS_PORT_TYPE) ................................................................................................... 426
Buffer Manager Port 0 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_00_01) .................................................................. 428
Buffer Manager Port 0 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_02_03) .................................................................. 429
Buffer Manager Port 1 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_10_11) .................................................................. 430
Buffer Manager Port 1 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_12_13) .................................................................. 431
Buffer Manager Port 2 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_20_21) .................................................................. 432
Buffer Manager Port 2 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_22_23) .................................................................. 433
Buffer Manager Port 0 Default VLAN ID and Priority Register (BM_VLAN_MII) .......................................................................................... 434
Buffer Manager Port 1 Default VLAN ID and Priority Register (BM_VLAN_1) ............................................................................................. 435
Buffer Manager Port 2 Default VLAN ID and Priority Register (BM_VLAN_2) ............................................................................................. 436
Buffer Manager Port 0 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_MII) ................................................................... 437
Buffer Manager Port 1 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_1) ...................................................................... 438
Buffer Manager Port 2 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_2) ...................................................................... 439
Buffer Manager Interrupt Mask Register (BM_IMR) ..................................................................................................................................... 440
Buffer Manager Interrupt Pending Register (BM_IPR) ................................................................................................................................. 441
DATASHEET
10
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
SMSC LAN9311/LAN9311i
Datasheet