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LAN9313 Datasheet(PDF) 19 Page - SMSC Corporation

Part # LAN9313
Description  Three Port 10/100 Managed Ethernet Switch with MII
PDF  398 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9313 Datasheet(HTML) 19 Page - SMSC Corporation

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2.2
Block Diagram
Figure 2.1 Internal LAN9313/LAN9313i Block Diagram
To optional EEPROM
(via I
2C/Microwire master)
EEPROM Controller
I
2C (master)
Microwire (master)
EEPROM Loader
Register
Access
MUX
SMI (slave)
Controller
SPI (slave)
I
2C (slave)
Controller
System
Registers
(CSRs)
MII
Mode
MUX
SPI/I
2C
MDIO
MDIO
MII
To optional PHY, MAC,
or SMI Master
Management Mode
Configuration Straps
MDIO
MII
PHY Management
Interface (PMI)
MDIO
IEEE 1588
Time Stamp
Registers
Virtual PHY
10/100
PHY
Registers
10/100
PHY
Registers
Switch
Registers
(CSRs)
IEEE 1588
Time Stamp
IEEE 1588
Time Stamp
Switch Fabric
Switch Engine
Buffer Manager
Search
Engine
Frame
Buffers
MII
MDIO
MII
MDIO
To Ethernet
To Ethernet
LAN9313/LAN9313i
GPIO/LED
Controller
IEEE 1588
Time Stamp
Clock/Events
To optional GPIOs/LEDs
System
Interrupt
Controller
IRQ
GP Timer
Free-Run
Clk
System
Clocks/
Reset/PME
Controller
External
25MHz Crystal
To optional CPU
serial management
(via I
2C/SPI slave)
I
2C/Microwire
10/100
MAC
10/100
MAC
10/100
MAC



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