LAN9115-MT SMSC, LAN9115-MT Datasheet - Page 34

• Manufacturer Part Number: LAN9115-MT
• Description: IC ETHERNET CTRLR 10/100 100TQFP
• Manufacturer: SMSC
• Type: Single Chip MAC and PHYr

Specifications of LAN9115-MT

• Controller Type: Ethernet Controller
• Interface: Serial EEPROM
• Voltage - Supply: 3.3V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP, 100-VQFP
• Product: Ethernet Controllers
• Number Of Transceivers: 1
• Standard Supported: IEEE 802.3 or IEEE 802.3u
• Data Rate: 10 Mbps or 100 Mbps
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Temperature: + 70 C
• Ethernet Connection Type: 100BASE-TX or 10BASE-T
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1010

Revision 1.5 (07-11-08)
3.9.2.1
The host can disable the EEPROM interface through the GPIO_CFG register. When the interface is
disabled, the EEDIO and ECLK signals can be used as general-purpose outputs, or they may be used
to monitor internal MII signals.
Supported EEPROM Operations
The EEPROM controller supports the following EEPROM operations under host control via the
E2P_CMD register. The operations are commonly supported by “93C46” EEPROM devices. A
description and functional timing diagram is provided below for each operation. Please refer to the
E2P_CMD register description in
page 95
ERASE (Erase Location): If erase/write operations are enabled in the EEPROM, this command will
erase the location selected by the EPC Address field (EPC_ADDR). The EPC_TO bit is set if the
EEPROM does not respond within 30ms.
for E2P_CMD field settings for each command.
Busy Bit = 0
EEPROM Write
Figure 3.3 EEPROM Access Flow Diagram
Write Data
Command
Command
Register
Register
Register
Write
Read
Idle
DATASHEET
Section 5.3.23, "E2P_CMD – EEPROM Command Register," on
34
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
EEPROM Read
Read Data
Command
Command
Register
Register
Register
Write
Read
Idle
Busy Bit = 0
SMSC LAN9115
Datasheet