LAN9312 Ver la hoja de datos (PDF) - SMSC -> Microchip

Número de pieza

componentes Descripción

fabricante

LAN9312

High PerformanceTwo Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

SMSC -> Microchip 

2.2

Block Diagram

To Ethernet

IEEE 1588

Time Stamp

10/100

PHY

Registers

MII

MDIO

To Ethernet

IEEE 1588

Time Stamp

10/100

PHY

Registers

MII

MDIO

LAN9312

10/100

MAC

Switch Engine

Buffer Manager

10/100

MAC

Search

Engine

Frame

Buffers

IEEE 1588

Time Stamp

10/100

MAC

GPIO/LED

Controller

Switch Fabric

Switch

Registers

(CSRs)

System

Registers

(CSRs)

IEEE 1588

Time Stamp

Clock/Events

System

Interrupt

Controller

System GP Timer

Clocks/

Reset/PME Free-Run

Controller Clk

MII

Host MAC

TX/RX FIFOs

Virtual PHY

Registers

MDIO

Register

Access

MUX

Host Bus Interface

EEPROM Loader

To 32-bit

Host Bus

EEPROM Controller

I2C (master)

Microwire (master)

I2C/Microwire

To optional

EEPROM

To optional GPIOs/LEDs

IRQ

External

25MHz Crystal

Figure 2.1 Internal LAN9312 Block Diagram

Share Link: