FT245RL - FTDI Chip

FT245RL Frequently Asked Questions (FAQs)

• What is the maximum cable length for the FT245RL?
  The maximum cable length for the FT245RL is dependent on the baud rate and the quality of the cable. As a general rule, FTDI recommends a maximum cable length of 3 meters at 12 Mbps, 1.5 meters at 24 Mbps, and 0.5 meters at 48 Mbps.
• How do I configure the FT245RL for 3.3V or 2.8V operation?
  The FT245RL can be configured for 3.3V or 2.8V operation by connecting the VCCIO pin to the desired voltage level. Additionally, the VCC pin should be connected to a 5V power source.
• What is the purpose of the CBUS0 and CBUS1 pins?
  The CBUS0 and CBUS1 pins are configurable pins that can be used as GPIOs or as a clock output. They can be configured through the FTDI chip's EEPROM or through software commands.
• How do I implement flow control with the FT245RL?
  The FT245RL supports RTS/CTS flow control. The RTS (Request to Send) signal is an output from the FT245RL and should be connected to the CTS (Clear to Send) input of the peripheral device. The CTS signal from the peripheral device should be connected to the RTS input of the FT245RL.
• What is the maximum data throughput of the FT245RL?
  The maximum data throughput of the FT245RL is 12 Mbps. However, the actual throughput may be limited by the system's USB bandwidth and the quality of the cable.