lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 5

• Manufacturer Part Number: lan9313
• Description: Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
• Manufacturer: Standard Microsystems Corp.

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.2.9
7.2.10 PHY Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
7.2.11 LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
7.2.12 Required Ethernet Magnetics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
7.3
7.3.1
7.3.2
7.3.3
Chapter 8 Serial Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
8.1
8.2
8.2.1
8.2.2
8.2.3
8.2.4
SMSC LAN9313/LAN9313i
7.2.1.6
7.2.2.1
7.2.2.2
7.2.2.3
7.2.2.4
7.2.2.5
7.2.2.6
7.2.2.7
7.2.3.1
7.2.3.2
7.2.4.1
7.2.4.2
7.2.4.3
7.2.4.4
7.2.5.1
7.2.5.2
7.2.5.3
7.2.5.4
7.2.5.5
7.2.8.1
7.2.9.1
7.2.9.2
7.2.10.1
7.2.10.2
7.2.10.3
7.3.1.1
7.3.1.2
7.3.1.3
7.3.2.1
7.3.3.1
7.3.3.2
8.2.2.1
8.2.2.2
8.2.2.3
8.2.2.4
8.2.2.5
8.2.3.1
8.2.3.2
8.2.3.3
8.2.3.4
8.2.3.5
8.2.3.6
8.2.3.7
8.2.3.8
8.2.4.1
8.2.4.2
8.2.4.3
8.2.4.4
Virtual PHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
I2C/Microwire Master EEPROM Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
100BASE-TX Receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
10BASE-T Transmit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
10BASE-T Receive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
PHY Auto-negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
HP Auto-MDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
MII MAC Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
PHY Management Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
PHY Power-Down Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Virtual PHY Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Virtual PHY in MAC Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Virtual PHY Resets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
EEPROM Controller Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
I2C EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Microwire EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
EEPROM Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
100M Phase Lock Loop (PLL) ........................................................................................................................................................................ 88
A/D Converter ................................................................................................................................................................................................. 89
DSP: Equalizer, BLW Correction and Clock/Data Recovery .......................................................................................................................... 89
NRZI and MLT-3 Decoding ............................................................................................................................................................................. 90
Descrambler and SIPO ................................................................................................................................................................................... 90
5B/4B Decoding .............................................................................................................................................................................................. 90
Receiver Errors ............................................................................................................................................................................................... 90
MII MAC Interface ........................................................................................................................................................................................... 90
MII MAC Interface ........................................................................................................................................................................................... 91
10M TX Driver and PLL .................................................................................................................................................................................. 91
Filter and Squelch ........................................................................................................................................................................................... 91
10M RX and PLL............................................................................................................................................................................................. 91
MII MAC Interface ........................................................................................................................................................................................... 92
Jabber Detection............................................................................................................................................................................................. 92
PHY Pause Flow Control ................................................................................................................................................................................ 94
Parallel Detection............................................................................................................................................................................................ 94
Restarting Auto-Negotiation............................................................................................................................................................................ 94
Disabling Auto-Negotiation ............................................................................................................................................................................. 94
Half Vs. Full-Duplex ........................................................................................................................................................................................ 95
PHY Interrupts ................................................................................................................................................................................................ 96
PHY General Power-Down ............................................................................................................................................................................. 97
PHY Energy Detect Power-Down ................................................................................................................................................................... 97
PHY Software Reset via RESET_CTL............................................................................................................................................................ 97
PHY Software Reset via PHY_BASIC_CTRL_x ............................................................................................................................................. 97
PHY Power-Down Reset................................................................................................................................................................................. 97
Parallel Detection............................................................................................................................................................................................ 99
Disabling Auto-Negotiation ............................................................................................................................................................................. 99
Virtual PHY Pause Flow Control ..................................................................................................................................................................... 99
Full-Duplex Flow Control............................................................................................................................................................................... 100
Virtual PHY Software Reset via RESET_CTL .............................................................................................................................................. 100
Virtual PHY Software Reset via VPHY_BASIC_CTRL ................................................................................................................................. 100
I2C Protocol Overview .................................................................................................................................................................................. 104
I2C EEPROM Device Addressing................................................................................................................................................................. 105
I2C EEPROM Byte Read .............................................................................................................................................................................. 106
I2C EEPROM Sequential Byte Reads .......................................................................................................................................................... 106
I2C EEPROM Byte Writes ............................................................................................................................................................................ 107
Microwire Master Commands ....................................................................................................................................................................... 108
ERASE (Erase Location) .............................................................................................................................................................................. 109
ERAL (Erase All)........................................................................................................................................................................................... 110
EWDS (Erase/Write Disable) ........................................................................................................................................................................ 110
EWEN (Erase/Write Enable)......................................................................................................................................................................... 111
READ (Read Location) ................................................................................................................................................................................. 111
WRITE (Write Location) ................................................................................................................................................................................ 112
WRAL (Write All)........................................................................................................................................................................................... 112
EEPROM Loader Operation ......................................................................................................................................................................... 113
EEPROM Valid Flag ..................................................................................................................................................................................... 115
MAC Address................................................................................................................................................................................................ 115
Soft-Straps .................................................................................................................................................................................................... 115
DATASHEET
5
Revision 1.2 (04-08-08)