Details

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BUY LAN9252I/PT https://www.utsource.net/itm/p/12612291.html

Parameter	Description	Value
Device Type	Ethernet Controller with USB 2.0 Host and 10/100 PHY	-
Package	TQFP-64 (10x10mm)	-
Operating Voltage (Vcc)	Supply Voltage for Digital Core	3.3V ± 5%
Operating Voltage (Vio)	I/O Supply Voltage	1.8V to 3.3V
Operating Temperature Range	Industrial Temperature Range	-40°C to +85°C
Ethernet Interface	IEEE 802.3 10/100BASE-TX	-
USB Interface	USB 2.0 High-Speed (480 Mbps) Host	-
GPIO	General Purpose Input/Output Pins	24
SPI Interface	Serial Peripheral Interface	Up to 50 MHz
I2C Interface	Inter-Integrated Circuit	Up to 400 kHz
UART Interface	Universal Asynchronous Receiver/Transmitter	1 x UART
WAKE# Pin	Wake-on-LAN Pin	-
MDIO Interface	Management Data Input/Output	-
Power Consumption	Typical Power Consumption (Active)	200 mW
Standby Power Consumption	Typical Power Consumption (Standby)	10 mW
ESD Protection	Electrostatic Discharge Protection	±2 kV HBM, ±1 kV CDM
RoHS Compliance	Restriction of Hazardous Substances	Yes

Instructions for Use

1. Power Supply Configuration:

   • Connect the Vcc pin to a 3.3V power supply.
   • Connect the Vio pins to a 1.8V to 3.3V power supply, depending on your application requirements.

2. Reset and Initialization:

   • Apply a reset signal to the RESET# pin to initialize the device.
   • Ensure the reset signal is held low for at least 100 μs before releasing it.

3. Ethernet Connection:

   • Connect the RJ45 connector to the Ethernet PHY using the appropriate pins (TX+/TX-, RX+/RX-).
   • Configure the MDIO interface to manage the PHY settings if needed.

4. USB Host Configuration:

   • Connect the USB D+ and D- lines to the USB host port.
   • Configure the USB controller through the SPI or I2C interface as required.

5. GPIO Configuration:

   • Configure the GPIO pins for input or output based on your application needs.
   • Set the direction and state of each GPIO pin via the SPI or I2C interface.

6. SPI/I2C/UART Interfaces:

   • Connect the SPI, I2C, or UART interfaces to your microcontroller or processor.
   • Configure the communication parameters (e.g., clock speed, data format) as specified in the datasheet.

7. Wake-on-LAN:

   • Connect the WAKE# pin to a wake-up circuit or microcontroller.
   • Configure the WAKE# pin to generate a wake-up signal when network activity is detected.

8. Firmware and Software:

   • Load the appropriate firmware onto the device to enable desired functionalities.
   • Use the provided software libraries and drivers to facilitate communication and control.

9. Thermal Considerations:

   • Ensure adequate heat dissipation by providing a heatsink or thermal pad if necessary.
   • Monitor the temperature of the device to avoid overheating.

10. ESD Protection:

    • Handle the device with care to avoid electrostatic discharge.
    • Use ESD-protected workstations and tools during handling and assembly.

For detailed configuration and programming instructions, refer to the LAN9252I/PT datasheet and application notes provided by the manufacturer.

(For reference only)