Details

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Parameter	Description	Value
Part Number	Device identifier	DP83TC811RWRNDTQ1
Function	10/100BASE-TX Ethernet Transceiver with Integrated PHY	-
Interface	Ethernet Interface	10/100BASE-TX
Operating Voltage (Vcc)	Supply voltage range	3.0 V to 3.6 V
Operating Temperature	Operating temperature range	-40掳C to +85掳C
Data Rate	Maximum data rate	100 Mbps
Package Type	Package type	WQFN-40 (7x7mm)
Pin Count	Number of pins	40
ESD Protection	Electrostatic discharge protection	卤2 kV (HBM), 卤1 kV (CDM)
MDI Interface	Medium Dependent Interface (MDI)	4-wire differential pairs
Power Consumption	Typical power consumption	200 mW (100BASE-TX), 100 mW (10BASE-T)
Standby Power Consumption	Power consumption in standby mode	< 10 mW
Compliance	Compliance standards	IEEE 802.3, IEEE 802.3u
Features	Key features	- Integrated 10/100BASE-TX PHY - Low power consumption - Auto-negotiation - Wake-on-LAN - Energy Efficient Ethernet (EEE)

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 3.0 V to 3.6 V.
   • Connect the power supply to the appropriate pins on the WQFN-40 package.

2. Signal Connections:

   • Connect the MDI (Medium Dependent Interface) differential pairs to the Ethernet cable.
   • Ensure proper termination of the differential pairs to avoid signal reflections and ensure reliable communication.

3. Configuration:

   • Use the configuration pins to set the operating mode (10BASE-T or 100BASE-TX).
   • Configure the device using the SPI or I2C interface if required.

4. Auto-Negotiation:

   • Enable auto-negotiation to automatically configure the link speed and duplex settings.
   • Monitor the status registers to confirm successful negotiation.

5. Power Management:

   • Utilize the low-power modes (standby, sleep) to reduce power consumption when the device is not actively transmitting or receiving data.
   • Implement wake-on-LAN functionality to allow the device to be powered up remotely.

6. ESD Protection:

   • Handle the device with care to avoid ESD damage.
   • Use appropriate ESD protection equipment and follow best practices during handling and installation.

7. Testing:

   • Test the device using standard Ethernet test equipment to verify proper operation.
   • Check the link status and error rates to ensure reliable communication.

8. Mounting:

   • Follow the recommended PCB layout guidelines to ensure optimal performance and reliability.
   • Use the correct soldering profile for the WQFN-40 package to avoid thermal stress and solder joint issues.

(For reference only)