LAN9313-NU SMSC, LAN9313-NU Datasheet - Page 19

• Manufacturer Part Number: LAN9313-NU
• Description: Ethernet ICs Three Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Three Port Managed Ethernet Switchr

Specifications of LAN9313-NU

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Switches
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 0 V
• Supply Current (max): 155 mA, 270 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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