LAN9303-ABZJ Standard Microsystem (Smsc), LAN9303-ABZJ Datasheet - Page 136

• Manufacturer Part Number: LAN9303-ABZJ
• Description: Ethernet Switch 3-Port 10Mbps/100Mbps 56-Pin QFN EP
• Manufacturer: Standard Microsystem (Smsc)

Specifications of LAN9303-ABZJ

• Package: 56QFN EP
• Phy/transceiver Interface: MII/RMII
• Number Of Primary Switch Ports: 3
• Maximum Data Rate: 100 Mbps
• Vlan Support: Yes
• Power Supply Type: Analog
• Minimum Single Supply Voltage: 3 V
• Maximum Single Supply Voltage: 3.6 V
• Maximum Supply Current: 0.19(Typ) A

Chapter 13 Register Descriptions
Revision 1.4 (07-07-10)
This section describes the various control and status registers (CSR’s). These registers are broken
into 3 categories. The following sections detail the functionality and accessibility of all the registers
within each category:
Figure 13.1
drawn to scale, and should be used for general reference only.
Note: Not all registers are memory mapped or directly addressable. For details on the accessibility
Section 13.2, "System Control and Status Registers," on page 138
Section 13.3, "Ethernet PHY Control and Status Registers," on page 191
Section 13.4, "Switch Fabric Control and Status Registers," on page 212
of the various registers, refer the register sub-sections listed above.
contains an overall base register memory map of the device. This memory map is not
Figure 13.1 Base Register Memory Map
Base + 000h
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
3FFh
2E0h
2DCh
200h
1DCh
1C0h
1B0h
1ACh
19Ch
0ACh
0A8h
0A4h
050h
04Ch
...
...
DATASHEET
PHY Management Interface
Switch Interface Registers
Switch CSR Direct Data
Virtual PHY Registers
RESERVED
RESERVED
RESERVED
Registers
Registers
136
SMSC LAN9303/LAN9303i
Datasheet