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LAN9311 Datasheet(PDF) 7 Page - SMSC Corporation

Part # LAN9311
Description  Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
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LAN9311 Datasheet(HTML) 7 Page - SMSC Corporation

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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
7
Revision 1.6 (08-18-09)
DATASHEET
10.2.3.7
WRITE (Write Location) ................................................................................................................................................................................ 149
10.2.3.8
WRAL (Write All)........................................................................................................................................................................................... 149
10.2.4 EEPROM Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
10.2.4.1
EEPROM Loader Operation ......................................................................................................................................................................... 150
10.2.4.2
EEPROM Valid Flag ..................................................................................................................................................................................... 152
10.2.4.3
MAC Address................................................................................................................................................................................................ 152
10.2.4.3.1Host MAC Address Reload ......................................................................................................152
10.2.4.4
Soft-Straps .................................................................................................................................................................................................... 152
10.2.4.4.1PHY Registers Synchronization ...............................................................................................152
10.2.4.4.2Virtual PHY Registers Synchronization....................................................................................153
10.2.4.4.3LED and Manual Flow Control Register Synchronization ........................................................153
10.2.4.5
Register Data ................................................................................................................................................................................................ 153
10.2.4.6
EEPROM Loader Finished Wait-State.......................................................................................................................................................... 154
10.2.4.7
Reset Sequence and EEPROM Loader........................................................................................................................................................ 154
Chapter 11 IEEE 1588 Hardware Time Stamp Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
11.1 Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
11.1.1 IEEE 1588 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
11.1.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
11.2 IEEE 1588 Time Stamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
11.2.1 Capture Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
11.2.2 PTP Message Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
11.3 IEEE 1588 Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
11.4 IEEE 1588 Clock/Events. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
11.5 IEEE 1588 GPIOs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
11.6 IEEE 1588 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Chapter 12 General Purpose Timer & Free-Running Clock. . . . . . . . . . . . . . . . . . . . . . . . 162
12.1 General Purpose Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
12.2 Free-Running Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Chapter 13 GPIO/LED Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
13.1 Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
13.2 GPIO Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
13.2.1 GPIO IEEE 1588 Timestamping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
13.2.1.1
IEEE 1588 GPIO Inputs ................................................................................................................................................................................ 164
13.2.1.2
IEEE 1588 GPIO Outputs ............................................................................................................................................................................. 164
13.2.2 GPIO Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
13.2.2.1
GPIO Interrupt Polarity.................................................................................................................................................................................. 164
13.2.2.2
IEEE 1588 GPIO Interrupts........................................................................................................................................................................... 165
13.3 LED Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Chapter 14 Register Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
14.1 TX/RX FIFO Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
14.1.1 TX/RX Data FIFO’s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
14.1.2 TX/RX Status FIFO’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
14.1.3 Direct FIFO Access Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
14.2 System Control and Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
14.2.1 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
14.2.1.1
Interrupt Configuration Register (IRQ_CFG) ................................................................................................................................................ 173
14.2.1.2
Interrupt Status Register (INT_STS)............................................................................................................................................................. 175
14.2.1.3
Interrupt Enable Register (INT_EN).............................................................................................................................................................. 178
14.2.1.4
FIFO Level Interrupt Register (FIFO_INT) .................................................................................................................................................... 180
14.2.2 Host MAC & FIFO’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
14.2.2.1
Receive Configuration Register (RX_CFG) .................................................................................................................................................. 181
14.2.2.2
Transmit Configuration Register (TX_CFG).................................................................................................................................................. 183
14.2.2.3
Receive Datapath Control Register (RX_DP_CTRL).................................................................................................................................... 184
14.2.2.4
RX FIFO Information Register (RX_FIFO_INF) ............................................................................................................................................ 185
14.2.2.5
TX FIFO Information Register (TX_FIFO_INF)............................................................................................................................................. 186
14.2.2.6
Host MAC RX Dropped Frames Counter Register (RX_DROP)................................................................................................................... 187
14.2.2.7
Host MAC CSR Interface Command Register (MAC_CSR_CMD)............................................................................................................... 188
14.2.2.8
Host MAC CSR Interface Data Register (MAC_CSR_DATA) ...................................................................................................................... 189
14.2.2.9
Host MAC Automatic Flow Control Configuration Register (AFC_CFG) ...................................................................................................... 190


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