LAN9312-NZW SMSC, LAN9312-NZW Datasheet - Page 240

• 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

Revision 1.7 (06-29-10)
14.2.6.8
BITS
31:0
MAC_TX_FC_SETTINGS_1
MAC_TX_FC_SETTINGS_MII
MAC_RX_CFG_MII
MAC_TX_CFG_MII
REGISTER NAME
MAC_RX_CFG_1
MAC_TX_CFG_1
MAC_RX_CFG_2
Switch CSR Data (CSR_DATA)
This field contains the value to be written to the corresponding Switch Fabric
register.
MAC_IMR_MII
MAC_IMR_1
SW_RESET
Table 14.3 Switch Fabric CSR to SWITCH_CSR_DIRECT_DATA Address Range Map
Switch Fabric CSR Interface Direct Data Register (SWITCH_CSR_DIRECT_DATA)
This write-only register set is used to perform directly addressed write operations to the Switch Fabric
CSR’s. Using this set of registers, writes can be directly addressed to select Switch Fabric registers,
as specified in
Writes within the
address range automatically set the appropriate address, set the four byte enable bits, clear the R/nW
bit and set the Busy bit in the
The completion of the write cycle is indicated when the Busy bit is cleared. The address that is set in
the
For more information on this method of writing to the Switch Fabric CSR’s, refer to
Control Enable Logic," on page
Note: This set of registers is for write operations only. Reads can be performed via the
SW_IMR
Switch Fabric CSR Interface Command Register (SWITCH_CSR_CMD)
CSR Interface Command Register (SWITCH_CSR_CMD)
Data Register (SWITCH_CSR_DATA)
Offset:
Table
Switch Fabric CSR Interface Direct Data Register (SWITCH_CSR_DIRECT_DATA)
14.3.
200h - 2DCh
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Switch Fabric CSR Interface Command Register
SWITCH FABRIC CSR
58.
General Switch CSRs
Switch Port 0 CSRs
Switch Port 1 CSRs
Switch Port 2 CSRs
DATASHEET
REGISTER #
0C01h
0001h
0004h
0401h
0440h
0441h
0480h
0801h
0840h
0841h
0880h
240
registers only.
Size:
32 bits
SWITCH_CSR_DIRECT_DATA
and
Switch Fabric CSR Interface
is mapped via
ADDRESS
TYPE
WO
(SWITCH_CSR_CMD).
20Ch
21Ch
200h
204h
208h
210h
214h
218h
220h
224h
228h
Section 6.2.3, "Flow
SMSC LAN9312
Switch Fabric
00000000h
DEFAULT
Table
Datasheet
14.3.