Details

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BUY CP2102-GM https://www.utsource.net/itm/p/1863915.html
SINGLE-CHIP USB TO UART BRIDGE

Parameter	Description
Part Number	CP2102-GM
Function	USB to UART Bridge Controller
Interface	USB 2.0 Full Speed (12 Mbps)
UART Interface	TTL Level (3.3V or 5V)
Operating Voltage	3.0V to 5.5V
Operating Current	10mA (Typical)
Data Rate	Up to 1 Mbps (UART)
Operating Temperature	-40°C to +85°C
Storage Temperature	-65°C to +150°C
Package	QFN-28 (5x5mm)
Pin Count	28
ESD Protection	±8kV (Contact Discharge), ±15kV (Air Gap Discharge)
RoHS Compliance	Yes
Certifications	FCC, CE, UL

Instructions

1. Power Supply:

   • Connect VCC (Pin 1) to the power supply (3.0V to 5.5V).
   • Connect GND (Pin 28) to the ground.

2. USB Connection:

   • Connect D+ (Pin 2) and D- (Pin 3) to the USB data lines.
   • Ensure that the USB connector is properly shielded to reduce EMI.

3. UART Connection:

   • Connect TXD (Pin 15) to the UART receive line.
   • Connect RXD (Pin 16) to the UART transmit line.
   • Connect CTS (Pin 17) and RTS (Pin 18) for hardware flow control (optional).

4. Configuration:

   • Use the Silicon Labs CP210x Configuration Utility to set up the device parameters such as baud rate, parity, and stop bits.
   • The default settings are typically sufficient for most applications.

5. Firmware Update:

   • If necessary, update the firmware using the Silicon Labs CP210x Production Loader Utility.
   • Follow the on-screen instructions to complete the firmware update process.

6. Testing:

   • Connect the CP2102-GM to a USB port on your computer.
   • Install the appropriate drivers from the Silicon Labs website if they are not already installed.
   • Use a terminal program (e.g., PuTTY, TeraTerm) to communicate with the UART interface.

7. Handling Precautions:

   • Handle the CP2102-GM with care to avoid ESD damage.
   • Ensure proper grounding and shielding to minimize noise and interference.

8. Storage:

   • Store the CP2102-GM in a dry, cool place away from direct sunlight and extreme temperatures.

9. Compliance:

   • Ensure that your design complies with relevant safety and regulatory standards (FCC, CE, UL).

For more detailed information, refer to the datasheet and application notes provided by Silicon Labs.

(For reference only)