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 卤 5%
Operating Voltage (Vio)	I/O Supply Voltage	1.8V to 3.3V
Operating Temperature Range	Industrial Temperature Range	-40掳C to +85掳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	卤2 kV HBM, 卤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 渭s 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)