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LAN9312 Datasheet(PDF) 21 Page - SMSC Corporation

No. de pieza LAN9312
Descripción Electrónicos  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Fabricante Electrónico  SMSC [SMSC Corporation]
Página de inicio  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 21 Page - SMSC Corporation

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2.2
Block Diagram
Figure 2.1 Internal LAN9312 Block Diagram
To optional
EEPROM
EEPROM Controller
I
2C (master)
Microwire (master)
EEPROM Loader
Register
Access
MUX
System
Registers
(CSRs)
I
2C/Microwire
MII
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
GPIO/LED
Controller
Switch Engine
Buffer Manager
Search
Engine
Frame
Buffers
IEEE 1588
Time Stamp
Clock/Events
MII
MDIO
MII
MDIO
To optional GPIOs/LEDs
To Ethernet
To Ethernet
LAN9312
Host Bus Interface
TX/RX FIFOs
Host MAC
To 32-bit
Host Bus
System
Interrupt
Controller
IRQ
GP Timer
Free-Run
Clk
System
Clocks/
Reset/PME
Controller
External
25MHz Crystal
MDIO
10/100
MAC
10/100
MAC
10/100
MAC



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