LAN9313I-NZW Datasheet, PDF (5/9 Pages) Microchip Technology – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Internal Block Diagram
To Ethernet
To Ethernet
IEEE 1588
Time Stamp
IEEE 1588
Time Stamp
SMI (slave)
Controller
10/100
PHY
10/100
MAC
10/100
MAC
MII/MDIO
IEEE 1588
Time Stamp
Switch Fabric
10/100
PHY
10/100
MAC
IEEE 1588
Clock & Events
Secondary Functions
(Timers,GPIOs,LEDs,IRQ)
SPI (slave)
I²C (slave)
Controller
SPI / I²C
EEPROM Controller _I²_{C / Microwire}
I²C (master)
Microwire (master)
LAN9313/LAN9313i
Figure 3 LAN9313/LAN9313i Internal Block Diagram
To optional PHY, MAC,
or SMI Master
To optional CPU
serial management
(via I²C/SPI slave)
To optional EEPROM
(via I²C/Microwire master)
SMSC LAN9313/LAN9313i
5
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Revision 1.9 (03-13-12)