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LAN9303i-ABZJ Datasheet(PDF) 6 Page - SMSC Corporation

Part # LAN9303i-ABZJ
Description  Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Download  366 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
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LAN9303i-ABZJ Datasheet(HTML) 6 Page - SMSC Corporation

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Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
Revision 1.3 (08-27-09)
6
SMSC LAN9303/LAN9303i
DATASHEET
8.4.6
EEPROM Loader Finished Wait-State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
8.4.7
Reset Sequence and EEPROM Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
8.5
I2C Slave Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
8.5.1
I2C Slave Command Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
8.5.2
I2C Slave Read Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
8.5.2.1
I2C Slave Read Polling for Reset Complete ................................................................................................................................................. 119
8.5.3
I2C Slave Write Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Chapter 9 MII Data Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
9.1
Port 0 MII Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
9.1.1
Port 0 MII MAC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
9.1.2
Port 0 MII PHY Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
9.1.2.1
Turbo Operation............................................................................................................................................................................................ 121
9.1.2.2
Clock Drive Strength ..................................................................................................................................................................................... 121
9.1.2.3
Signal Quality Error (SQE) Heartbeat Test ................................................................................................................................................... 121
9.1.2.4
Collision Test ................................................................................................................................................................................................ 122
9.1.2.5
Loopback ...................................................................................................................................................................................................... 122
9.1.3
Port 0 RMII PHY Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
9.1.3.1
Reference Clock Selection............................................................................................................................................................................ 122
9.1.3.2
Clock Drive Strength ..................................................................................................................................................................................... 123
9.1.3.3
Signal Quality Error (SQE) Heartbeat Test ................................................................................................................................................... 123
9.1.3.4
Collision Test ................................................................................................................................................................................................ 123
9.1.3.5
Loopback Mode ............................................................................................................................................................................................ 123
Chapter 10 MII Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
10.1 Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
10.2 SMI Slave Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
10.2.1 Read Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
10.2.1.1
SMI Read Polling for Reset Complete .......................................................................................................................................................... 125
10.2.2 Write Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
10.3 PHY Management Interface (PMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
10.3.1 EEPROM Loader PHY Register Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
10.4 MII Mode Multiplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
10.4.1 Port 0 MAC Mode SMI Managed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
10.4.2 Port 0 MAC Mode I2C Managed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
10.4.3 Port 0 PHY Mode SMI Managed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
10.4.4 Port 0 PHY Mode I2C Managed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Chapter 11 General Purpose Timer & Free-Running Clock. . . . . . . . . . . . . . . . . . . . . . . . 131
11.1 General Purpose Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
11.2 Free-Running Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Chapter 12 GPIO/LED Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
12.1 Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
12.2 GPIO Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
12.2.1 GPIO Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
12.2.1.1
GPIO Interrupt Polarity.................................................................................................................................................................................. 133
12.3 LED Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
12.3.1 LED Function Definitions when LED_FUN[1:0] = 00b, 01b, or 10b . . . . . . . . . . . . . . . . . . . . . . 134
12.3.2 LED Function Definitions when LED_FUN[1:0] = 11b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Chapter 13 Register Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
13.1 Register Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
13.2 System Control and Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
13.2.1 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
13.2.1.1
Interrupt Configuration Register (IRQ_CFG) ................................................................................................................................................ 140
13.2.1.2
Interrupt Status Register (INT_STS)............................................................................................................................................................. 142
13.2.1.3
Interrupt Enable Register (INT_EN).............................................................................................................................................................. 143
13.2.2 GPIO/LED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
13.2.2.1
General Purpose I/O Configuration Register (GPIO_CFG) .......................................................................................................................... 144


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