lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 9

• Manufacturer Part Number: lan9303m
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Dual Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
13.4.4 Buffer Manager CSRs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Chapter 14 Operational Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
14.1
14.2
14.3
14.4
14.5
14.5.1 Equivalent Test Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
14.5.2 Reset and Configuration Strap Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
14.5.3 Power-On Configuration Strap Valid Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
14.5.4 MII Interface Timing (MAC Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
14.5.5 MII Interface Timing (PHY Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
14.5.6 Turbo MII Interface Timing (MAC Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
14.5.7 Turbo MII Interface Timing (PHY Mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
14.5.8 RMII Interface Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
14.5.9 SMI Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
14.6
Chapter 15 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
15.1
SMSC LAN9303M/LAN9303Mi
13.4.3.36
13.4.3.37
13.4.3.38
13.4.3.39
13.4.3.40
13.4.4.1
13.4.4.2
13.4.4.3
13.4.4.4
13.4.4.5
13.4.4.6
13.4.4.7
13.4.4.8
13.4.4.9
13.4.4.10
13.4.4.11
13.4.4.12
13.4.4.13
13.4.4.14
13.4.4.15
13.4.4.16
13.4.4.17
13.4.4.18
13.4.4.19
13.4.4.20
13.4.4.21
13.4.4.22
13.4.4.23
13.4.4.24
13.4.4.25
13.4.4.26
13.4.4.27
Absolute Maximum Ratings*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Operating Conditions** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
DC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Clock Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
72-QFN Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Switch Engine Port 0 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_0) .................................................................................. 325
Switch Engine Port 1 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_1) .................................................................................. 326
Switch Engine Port 2 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_2) .................................................................................. 327
Switch Engine Interrupt Mask Register (SWE_IMR)..................................................................................................................................... 328
Switch Engine Interrupt Pending Register (SWE_IPR)................................................................................................................................. 329
Buffer Manager Configuration Register (BM_CFG) ...................................................................................................................................... 331
Buffer Manager Drop Level Register (BM_DROP_LVL)............................................................................................................................... 332
Buffer Manager Flow Control Pause Level Register (BM_FC_PAUSE_LVL)............................................................................................... 333
Buffer Manager Flow Control Resume Level Register (BM_FC_RESUME_LVL) ........................................................................................ 334
Buffer Manager Broadcast Buffer Level Register (BM_BCST_LVL)............................................................................................................. 335
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_0) ....................................................................................................... 336
Buffer Manager Port 1 Drop Count Register (BM_DRP_CNT_SRC_1) ....................................................................................................... 337
Buffer Manager Port 2 Drop Count Register (BM_DRP_CNT_SRC_2) ....................................................................................................... 338
Buffer Manager Reset Status Register (BM_RST_STS) .............................................................................................................................. 339
Buffer Manager Random Discard Table Command Register (BM_RNDM_DSCRD_TBL_CMD) ................................................................ 340
Buffer Manager Random Discard Table Write Data Register (BM_RNDM_DSCRD_TBL_WDATA) ........................................................... 341
Buffer Manager Random Discard Table Read Data Register (BM_RNDM_DSCRD_TBL_RDATA)............................................................ 342
Buffer Manager Egress Port Type Register (BM_EGRSS_PORT_TYPE) ................................................................................................... 343
Buffer Manager Port 0 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_00_01) .................................................................. 345
Buffer Manager Port 0 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_02_03) .................................................................. 346
Buffer Manager Port 1 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_10_11) .................................................................. 347
Buffer Manager Port 1 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_12_13) .................................................................. 348
Buffer Manager Port 2 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_20_21) .................................................................. 349
Buffer Manager Port 2 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_22_23) .................................................................. 350
Buffer Manager Port 0 Default VLAN ID and Priority Register (BM_VLAN_0) ............................................................................................. 351
Buffer Manager Port 1 Default VLAN ID and Priority Register (BM_VLAN_1) ............................................................................................. 352
Buffer Manager Port 2 Default VLAN ID and Priority Register (BM_VLAN_2) ............................................................................................. 353
Buffer Manager Port 0 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_0) ...................................................................... 354
Buffer Manager Port 1 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_1) ...................................................................... 355
Buffer Manager Port 2 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_2) ...................................................................... 356
Buffer Manager Interrupt Mask Register (BM_IMR) ..................................................................................................................................... 357
Buffer Manager Interrupt Pending Register (BM_IPR) ................................................................................................................................. 358
DATASHEET
9
Revision 1.3 (08-27-09)