LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 10
![no-image](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__sml.jpg)
LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9312-NU.pdf
(458 pages)
Specifications of LAN9312-NU
Number Of Primary Switch Ports
2
Operating Supply Voltage (typ)
3.3V
Fiber Support
No
Phy/transceiver Interface
MII
Power Supply Type
Analog
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 10 of 458
- Download datasheet (5Mb)
14.5.3.26.1Ingress Rate Table Registers .................................................................................................394
14.5.4 Buffer Manager CSRs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Chapter 15 Operational Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
15.1
15.2
15.3
15.4
15.5
15.5.1 Equivalent Test Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442
15.5.2 Reset and Configuration Strap Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
15.5.3 Power-On Configuration Strap Valid Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
15.5.4 PIO Read Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
15.5.5 PIO Burst Read Cycle Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
15.5.6 RX Data FIFO Direct PIO Read Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
15.5.7 RX Data FIFO Direct PIO Burst Read Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.5.8 PIO Write Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
15.5.9 TX Data FIFO Direct PIO Write Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
15.5.10 Microwire Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
Revision 1.7 (06-29-10)
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
14.5.3.27
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*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Operating Conditions** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440
DC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441
AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442
Switch Engine DIFFSERV Table Command Status Register (SWE_DIFFSERV_TBL_CMD_STS) ............................................................ 382
Switch Engine Global Ingress Configuration Register (SWE_GLOBAL_INGRSS_CFG)............................................................................. 383
Switch Engine Port Ingress Configuration Register (SWE_PORT_INGRSS_CFG) ..................................................................................... 384
Switch Engine Admit Only VLAN Register (SWE_ADMT_ONLY_VLAN)..................................................................................................... 385
Switch Engine Port State Register (SWE_PORT_STATE)........................................................................................................................... 386
Switch Engine Priority to Queue Register (SWE_PRI_TO_QUE) ................................................................................................................ 387
Switch Engine Port Mirroring Register (SWE_PORT_MIRROR).................................................................................................................. 388
Switch Engine Ingress Port Type Register (SWE_INGRSS_PORT_TYP) ................................................................................................... 389
Switch Engine Broadcast Throttling Register (SWE_BCST_THROT) .......................................................................................................... 390
Switch Engine Admit Non Member Register (SWE_ADMT_N_MEMBER)................................................................................................... 391
Switch Engine Ingress Rate Configuration Register (SWE_INGRSS_RATE_CFG) .................................................................................... 392
Switch Engine Ingress Rate Command Register (SWE_INGRSS_RATE_CMD)......................................................................................... 393
Switch Engine Ingress Rate Command Status Register (SWE_INGRSS_RATE_CMD_STS) .................................................................... 395
Switch Engine Ingress Rate Write Data Register (SWE_INGRSS_RATE_WR_DATA)............................................................................... 396
Switch Engine Ingress Rate Read Data Register (SWE_INGRSS_RATE_RD_DATA) ............................................................................... 397
Switch Engine Port 0 Ingress Filtered Count Register (SWE_FILTERED_CNT_MII) .................................................................................. 398
Switch Engine Port 1 Ingress Filtered Count Register (SWE_FILTERED_CNT_1) ..................................................................................... 399
Switch Engine Port 2 Ingress Filtered Count Register (SWE_FILTERED_CNT_2) ..................................................................................... 400
Switch Engine Port 0 Ingress VLAN Priority Regeneration Table Register (SWE_INGRSS_REGEN_TBL_MII) ........................................ 401
Switch Engine Port 1 Ingress VLAN Priority Regeneration Table Register (SWE_INGRSS_REGEN_TBL_1) ........................................... 402
Switch Engine Port 2 Ingress VLAN Priority Regeneration Table Register (SWE_INGRSS_REGEN_TBL_2) ........................................... 403
Switch Engine Port 0 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_MII) ............................................................................... 404
Switch Engine Port 1 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_1) .................................................................................. 405
Switch Engine Port 2 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_2) .................................................................................. 406
Switch Engine Interrupt Mask Register (SWE_IMR)..................................................................................................................................... 407
Switch Engine Interrupt Pending Register (SWE_IPR)................................................................................................................................. 408
Buffer Manager Configuration Register (BM_CFG) ...................................................................................................................................... 410
Buffer Manager Drop Level Register (BM_DROP_LVL)............................................................................................................................... 411
Buffer Manager Flow Control Pause Level Register (BM_FC_PAUSE_LVL)............................................................................................... 412
Buffer Manager Flow Control Resume Level Register (BM_FC_RESUME_LVL) ........................................................................................ 413
Buffer Manager Broadcast Buffer Level Register (BM_BCST_LVL)............................................................................................................. 414
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_MII) .................................................................................................... 415
Buffer Manager Port 1 Drop Count Register (BM_DRP_CNT_SRC_1) ....................................................................................................... 416
Buffer Manager Port 2 Drop Count Register (BM_DRP_CNT_SRC_2) ....................................................................................................... 417
Buffer Manager Reset Status Register (BM_RST_STS) .............................................................................................................................. 418
Buffer Manager Random Discard Table Command Register (BM_RNDM_DSCRD_TBL_CMD) ................................................................ 419
Buffer Manager Random Discard Table Write Data Register (BM_RNDM_DSCRD_TBL_WDATA) ........................................................... 420
Buffer Manager Random Discard Table Read Data Register (BM_RNDM_DSCRD_TBL_RDATA)............................................................ 421
Buffer Manager Egress Port Type Register (BM_EGRSS_PORT_TYPE) ................................................................................................... 422
Buffer Manager Port 0 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_00_01) .................................................................. 424
Buffer Manager Port 0 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_02_03) .................................................................. 425
Buffer Manager Port 1 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_10_11) .................................................................. 426
Buffer Manager Port 1 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_12_13) .................................................................. 427
Buffer Manager Port 2 Egress Rate Priority Queue 0/1 Register (BM_EGRSS_RATE_20_21) .................................................................. 428
Buffer Manager Port 2 Egress Rate Priority Queue 2/3 Register (BM_EGRSS_RATE_22_23) .................................................................. 429
Buffer Manager Port 0 Default VLAN ID and Priority Register (BM_VLAN_MII) .......................................................................................... 430
Buffer Manager Port 1 Default VLAN ID and Priority Register (BM_VLAN_1) ............................................................................................. 431
Buffer Manager Port 2 Default VLAN ID and Priority Register (BM_VLAN_2) ............................................................................................. 432
Buffer Manager Port 0 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_MII) ................................................................... 433
Buffer Manager Port 1 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_1) ...................................................................... 434
Buffer Manager Port 2 Ingress Rate Drop Count Register (BM_RATE_DRP_CNT_SRC_2) ...................................................................... 435
Buffer Manager Interrupt Mask Register (BM_IMR) ..................................................................................................................................... 436
Buffer Manager Interrupt Pending Register (BM_IPR) ................................................................................................................................. 437
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
10
SMSC LAN9312
Datasheet
Related parts for LAN9312-NU
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![LAN9312-NZW](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![LAN91C111-NU](/photos/31/30/313086/406-128-tqfp_tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![LAN9115-MT](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![LAN9118-MT](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2229-NU-02](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2601-NU-05](/photos/31/30/313086/406-128-tqfp_tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2514B-AEZG](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
USB CHIP
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2514BI-AEZG](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2251-NU-05](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
ULTRA FAST USB 2.0 MULTI-SLOT FLASH MEDI
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![LAN91C96-MS](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![LAN9215-MT](/photos/31/30/313088/100pin_tqfp_tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![LAN91C111I-NS](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2514I-HZH](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet:
![USB2514-HZH](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Standard Microsystems (SMSC)
Datasheet: