The FT2232HL-REEL is a product from FTDI (Future Technology Devices International Ltd.). It is a high-performance USB-to-serial interface chip commonly used in embedded systems to connect USB peripherals to microcontrollers or other devices with serial communication.
Packaging:
The FT2232HL-REEL is available in a QFN (Quad Flat No-lead) package, which is a surface-mount package type. The specific package for this model has 48 pins, and the packaging type may vary based on the vendor or distributor.
Pinout and Function List for the FT2232HL-REEL:
Below is the detailed description of the pin functions for the FT2232HL-REEL in a 48-pin QFN package:
Pin Number Pin Name Pin Function Description 1 VCCIO Power supply for the I/O logic. Connect to 3.3V or 5V depending on the device's operating voltage. 2 GND Ground connection for the FT2232HL-REEL chip. 3 VCC Power supply for the core of the FT2232HL-REEL chip. Connect to 3.3V or 5V depending on the device's operating voltage. 4 ADBUS0 Data bus for communication. Used as one of the general-purpose I/O pins or for asynchronous serial data. 5 ADBUS1 Data bus for communication. Similar to ADBUS0. 6 ADBUS2 Data bus for communication. Similar to ADBUS0. 7 ADBUS3 Data bus for communication. Similar to ADBUS0. 8 ADBUS4 Data bus for communication. Similar to ADBUS0. 9 ADBUS5 Data bus for communication. Similar to ADBUS0. 10 ADBUS6 Data bus for communication. Similar to ADBUS0. 11 ADBUS7 Data bus for communication. Similar to ADBUS0. 12 ADIR Direction control for the data bus ADBUS[7:0]. 13 ASTRB Strobe signal for data transfer. 14 ACLK Clock signal for asynchronous data transfers. 15 RSTO Reset output. Used to reset the connected device. 16 GND Ground connection for the FT2232HL-REEL chip. 17 BDBUS0 Similar to ADBUS, but used for additional data bus functionality in another interface (B channel). 18 BDBUS1 Data bus for communication in the B channel. 19 BDBUS2 Data bus for communication in the B channel. 20 BDBUS3 Data bus for communication in the B channel. 21 BDBUS4 Data bus for communication in the B channel. 22 BDBUS5 Data bus for communication in the B channel. 23 BDBUS6 Data bus for communication in the B channel. 24 BDBUS7 Data bus for communication in the B channel. 25 BDIR Direction control for the data bus BDBUS[7:0]. 26 BSTRB Strobe signal for the data transfer of the B channel. 27 BCLK Clock signal for asynchronous data transfer in the B channel. 28 TXD1 Transmit Data for the first channel (USB to serial). 29 RXD1 Receive Data for the first channel (USB to serial). 30 TXD2 Transmit Data for the second channel (USB to serial). 31 RXD2 Receive Data for the second channel (USB to serial). 32 RTS1 Request to Send for the first channel (flow control). 33 CTS1 Clear to Send for the first channel (flow control). 34 RTS2 Request to Send for the second channel (flow control). 35 CTS2 Clear to Send for the second channel (flow control). 36 DSR1 Data Set Ready for the first channel (flow control). 37 DTR1 Data Terminal Ready for the first channel (flow control). 38 DSR2 Data Set Ready for the second channel (flow control). 39 DTR2 Data Terminal Ready for the second channel (flow control). 40 I2C_SCL I2C Clock signal, used if I2C communication is enabled. 41 I2C_SDA I2C Data signal, used if I2C communication is enabled. 42 VDDIO Power supply for I/O logic (optional depending on the configuration). 43 VDD Power supply for the core (typically 3.3V or 5V). 44 GND Ground for the FT2232HL-REEL chip. 45 NC No connection. 46 NC No connection. 47 NC No connection. 48 NC No connection.FAQs (Frequently Asked Questions) for FT2232HL-REEL:
Q: What is the FT2232HL-REEL used for? A: The FT2232HL-REEL is a USB-to-serial interface chip, often used for connecting USB devices to UART, FIFO, and JTAG protocols in embedded systems.
Q: How many channels does the FT2232HL-REEL support? A: The FT2232HL-REEL supports two independent communication channels: A and B.
Q: What is the operating voltage of the FT2232HL-REEL? A: The FT2232HL-REEL operates with a core voltage of 3.3V or 5V, depending on the external device configuration.
Q: What is the maximum data transfer rate supported by the FT2232HL-REEL? A: The FT2232HL-REEL supports up to 12 Mbps data transfer rate for each channel.
Q: Does the FT2232HL-REEL support flow control? A: Yes, the FT2232HL-REEL supports hardware flow control with RTS/CTS and DSR/DTR signals.
Q: Can the FT2232HL-REEL be used for I2C communication? A: Yes, the FT2232HL-REEL can support I2C communication via the I2CSCL and I2CSDA pins.
Q: How do I reset the FT2232HL-REEL? A: The reset can be triggered through the RSTO pin, which is an active-low signal.
Q: Is the FT2232HL-REEL backward compatible with older FTDI devices? A: Yes, it is compatible with many FTDI devices, though there may be differences in specific features or pinouts.
Q: What type of communication does the FT2232HL-REEL support? A: The FT2232HL-REEL supports UART, FIFO, and JTAG communication protocols.
Q: Can the FT2232HL-REEL be used in embedded systems? A: Yes, the FT2232HL-REEL is widely used in embedded systems to interface with microcontrollers, sensors, and other peripherals.
Q: Can I use the FT2232HL-REEL with 5V logic systems? A: Yes, the FT2232HL-REEL can be used with 5V logic systems, but ensure that the I/O pins are properly configured for 5V operation.
Q: What software tools support the FT2232HL-REEL? A: FTDI provides drivers and software libraries, including D2XX and VCP drivers, for the FT2232HL-REEL, supporting Windows, Linux, and macOS.
Q: How do I select between the two channels on the FT2232HL-REEL? A: The FT2232HL-REEL automatically switches between the two channels based on the device’s configuration in the software.
Q: Can the FT2232HL-REEL be used with USB 3.0 ports? A: Yes, the FT2232HL-REEL is fully compatible with USB 2.0 and 3.0 ports.
Q: What is the difference between the FT2232HL and FT2232D ? A: The FT2232HL has lower power consumption and supports higher data transfer speeds compared to the FT2232D.
Q: How do I program the FT2232HL-REEL? A: The FT2232HL-REEL can be programmed using FTDI’s D2XX or VCP drivers, depending on your application.
Q: Does the FT2232HL-REEL support asynchronous serial communication? A: Yes, it supports asynchronous UART communication via the TXD and RXD pins.
Q: What is the role of the ADBUS and BDBUS pins? A: The ADBUS and BDBUS pins are used for data transfer in the A and B channels, respectively.
Q: What is the maximum current the FT2232HL-REEL can supply? A: The FT2232HL-REEL can supply a maximum of 50mA on the 3.3V pin and 100mA on the 5V pin.
Q: Is the FT2232HL-REEL RoHS compliant? A: Yes, the FT2232HL-REEL is RoHS compliant, ensuring it is free from hazardous materials.
This explanation provides a comprehensive overview of the FT2232HL-REEL, including its pinout, features, and frequently asked questions.