Details

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BUY FT232RL https://www.utsource.net/itm/p/12608299.html

Parameter	Description	Value/Range
Package	Package type	QFN-28
Operating Voltage	Supply voltage range	3.0V to 5.5V
Data Rate	Maximum data transfer rate	Up to 12 Mbit/s (Full Speed USB)
USB Interface	USB interface type	USB 2.0 Full Speed
UART Interface	UART interface type	TTL-level UART
Baud Rate	Supported baud rates	300 bps to 3 Mbaud
Flow Control	Flow control support	Hardware (RTS/CTS), Software (XON/XOFF)
Power Consumption	Typical power consumption	10 mA (active), 1 μA (suspend)
Operating Temperature	Operating temperature range	-40°C to +85°C
Storage Temperature	Storage temperature range	-65°C to +150°C
ESD Protection	Electrostatic discharge protection	±8 kV (air discharge), ±4 kV (contact)
Pin Count	Number of pins	28
Dimensions	Dimensions of the package	5 mm × 5 mm

Instructions for Using FT232RL

1. Power Supply:

   • Connect the VCC pin to a stable 3.3V or 5V supply.
   • Connect the GND pin to the ground of your system.

2. USB Connection:

   • Connect the D+ and D- pins to the USB data lines.
   • Ensure that the USB shield is connected to the ground.

3. UART Connection:

   • Connect the TXD pin to the RXD pin of your microcontroller or other serial device.
   • Connect the RXD pin to the TXD pin of your microcontroller or other serial device.
   • Connect the CTS (Clear To Send) and RTS (Request To Send) pins if hardware flow control is required.
   • Connect the DTR (Data Terminal Ready) and DSR (Data Set Ready) pins if needed for additional control signals.

4. Configuration:

   • Use the FT_PROG software to configure the EEPROM settings for the FT232RL, such as vendor ID, product ID, and string descriptors.
   • Set the baud rate and other UART parameters using the appropriate commands or configuration software.

5. Firmware:

   • Install the FTDI drivers on your host computer to enable communication with the FT232RL.
   • Use a terminal program or custom software to communicate with the device over the UART interface.

6. Testing:

   • Verify the connection by sending and receiving data between the FT232RL and your host computer.
   • Check the LED (if present) to confirm USB activity and status.

7. Power Management:

   • The FT232RL supports USB suspend and resume. Ensure that your system handles these states correctly to minimize power consumption.

8. ESD Protection:

   • Handle the FT232RL with care to avoid ESD damage. Use proper ESD protection measures during handling and installation.

9. Layout Considerations:

   • Place decoupling capacitors close to the VCC and GND pins to ensure stable power supply.
   • Keep the USB data lines (D+ and D-) as short and matched as possible to reduce signal reflections and crosstalk.

By following these instructions, you can successfully integrate the FT232RL into your design and achieve reliable USB-to-UART communication.

(For reference only)