LAN9312-NZW SMSC, LAN9312-NZW Datasheet - Page 166

• Manufacturer Part Number: LAN9312-NZW
• Description: Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

Specifications of LAN9312-NZW

• 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): 3.3 V
• Supply Voltage (min): 0 V
• Supply Current (max): 186 mA, 295 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 14 Register Descriptions
Revision 1.7 (06-29-10)
This section describes the various LAN9312 control and status registers (CSR’s). These registers are
broken into 5 categories. The following sections detail the functionality and accessibility of all the
LAN9312 registers within each category:
Figure 14.1
drawn to scale, and should be used for general reference only.
Note: Register bit type definitions are provided in
Note: Not all LAN9312 registers are memory mapped or directly addressable. For details on the
Section 14.1, "TX/RX FIFO Ports," on page 167
Section 14.2, "System Control and Status Registers," on page 168
Section 14.3, "Host MAC Control and Status Registers," on page 269
Section 14.4, "Ethernet PHY Control and Status Registers," on page 285
Section 14.5, "Switch Fabric Control and Status Registers," on page 307
accessibility of the various LAN9312 registers, refer the register sub-sections listed above.
contains an overall base register memory map of the LAN9312. This memory map is not
Figure 14.1 LAN9312 Base Register Memory Map
Base + 000h
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
3FFh
2E0h
2DCh
200h
1DCh
1C0h
1B0h
1ACh
19Ch
100h
0A8h
0A4h
050h
04Ch
048h
044h
040h
03Ch
020h
01Ch
...
...
DATASHEET
Host MAC Interface Registers
Switch Interface Registers
Switch CSR Direct Data
Virtual PHY Registers
RX Status FIFO PEEK
TX Status FIFO PEEK
RESERVED
RX Status FIFO Port
TX Status FIFO Port
TX Data FIFO Port
RX Data FIFO Port
1588 Registers
& Alias Ports
& Alias Ports
Registers
166
Section 1.3, "Register Nomenclature," on page
SMSC LAN9312
Datasheet
19.