Details

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BUY CP2101 https://www.utsource.net/itm/p/271706.html
Single-Chip USB to UART Bridge

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VDD)	Operating supply voltage range	2.7	-	5.5	V
Supply Current (IDD)	Operating supply current	-	30	-	mA
Data Rate	Maximum data rate	-	-	2 Mbps	bps
Interface	USB interface type	-	-	-	Full-Speed USB 2.0
UART Interface	UART interface pins	-	-	-	TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND
Operating Temperature	Range for operation	-40	-	85	°C
Storage Temperature	Range for storage	-65	-	150	°C
ESD Protection	Human Body Model (HBM)	-	-	2000	V
Package Type	Available package options	-	-	-	QFN-24, SSOP-24

Instructions for Using CP2101

1. Power Supply:

   • Ensure the supply voltage is within the specified range (2.7V to 5.5V).
   • Connect the VDD pin to the power source and the GND pin to the ground.

2. USB Connection:

   • Connect the USB D+ and D- pins to the corresponding USB data lines.
   • The CP2101 supports Full-Speed USB 2.0 (12 Mbps).

3. UART Configuration:

   • Connect the UART TXD and RXD pins to the corresponding UART lines on your device.
   • Additional control signals (RTS, CTS, DTR, DSR, DCD, RI) can be used for flow control and modem status.

4. Data Rate:

   • The maximum data rate supported is 2 Mbps. Configure the baud rate settings in your application software accordingly.

5. Temperature Considerations:

   • Operate the device within the temperature range of -40°C to 85°C.
   • Store the device within the temperature range of -65°C to 150°C.

6. ESD Protection:

   • The device has built-in ESD protection up to 2000V (HBM). However, handle the device with care to avoid damage from static electricity.

7. Package Handling:

   • The CP2101 is available in QFN-24 and SSOP-24 packages. Follow standard PCB assembly practices for these packages.

8. Firmware and Drivers:

   • Download and install the appropriate drivers and firmware from the Silicon Labs website to ensure proper communication between the CP2101 and your host system.

9. Testing and Validation:

   • After assembly, test the device to ensure it meets the required specifications and functions correctly in your application.

(For reference only)