LAN9303-ABZJ SMSC, LAN9303-ABZJ Datasheet - Page 4

• Manufacturer Part Number: LAN9303-ABZJ
• Description: IC ETHER SW 3PORT 16BIT 56QFN
• Manufacturer: SMSC

Specifications of LAN9303-ABZJ

• Controller Type: Ethernet Switch Controller
• Interface: SMBus (2-Wire/I²C)
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 190mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-QFN
• Product: Ethernet Switches
• Standard Supported: Yes
• Data Rate: 10 Mbps/100 Mbps
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current (max): 0.19 A (Typ)
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• For Use With: 638-1095 - EVALUATION BOARD FOR LAN9303
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1082

Block Diagram
Ethernet
Ethernet
LAN9303/
LAN9303i
10/100
10/100
PHY
Registers
PHY
Registers
MDIO
MII
MDIO
MII
To optional GPIOs/LEDs
10/100
10/100
GPIO/LED
Controller
MAC
MAC
Buffer Manager
Switch Engine
Controller
Switch Fabric
Interrupt
System
IRQ
Search
Buffers
Engine
Frame
25MHz Crystal
Reset/PME
Controller
External
System
Clocks/
Figure 1 Internal Block Diagram
Registers
(CSRs)
10/100
Switch
MAC
GP Timer
Free-Run
Clk
Mode Configuration
Registers
System
(CSRs)
Data
Path
Straps
MII
MII/Turbo MII to PHY or
MII/RMII/Turbo MII to MAC
Register
Access
MUX
EEPROM Controller
PHY Management
EEPROM Loader
Virtual PHY
Interface (PMI)
SMI (slave)
I
Controller
Controller
2
I
2
C (master)
C Slave
Registers
MDIO
MDIO
MDIO
Mode
MUX
MII
I
2
C
MDIO
Mode Configuration
Straps
To optional SMI Master
To optional CPU
serial management
(via I
To optional EEPROM
(via I
2
2
C master)
C slave)