The "FT230XQ-R" is a specific model of the FTDI chip family, which is part of FTDI Chip, a well-known manufacturer of USB-to-serial converters and related technologies. This chip is typically used to enable communication between USB and serial devices, making it a popular choice for adding USB connectivity to various systems.
Package Type:
The "FT230XQ-R" comes in a QFN-32 (Quad Flat No-lead) package with 32 pins. This package is compact and has a reduced footprint compared to traditional leaded packages, making it suitable for space-constrained applications.
Pin Function Specifications & Circuit Principle:
Below is a detailed list of pin functions for the FT230XQ-R, listed by pin number.
Pin Number Pin Name Pin Function Description 1 VCC Power supply pin, typically connected to +3.3V or +5V depending on system design. 2 GND Ground pin, common reference point for the entire circuit. 3 TXD Transmit data pin for serial communication (output from FT230X to the target device). 4 RXD Receive data pin for serial communication (input to FT230X from the target device). 5 RTS# Request to Send, used for controlling flow of data in asynchronous serial communication. 6 CTS# Clear to Send, used for controlling flow of data in asynchronous serial communication. 7 DTR# Data Terminal Ready, used to signal that the device is ready for communication. 8 DSR# Data Set Ready, used to indicate the status of the target device. 9 DCD# Data Carrier Detect, used for detecting the presence of a carrier signal in serial communication. 10 RI# Ring Indicator, used to signal that the target device has received a ring signal. 11 VCCIO Power supply pin for the I/O interface (logic power, typically +3.3V or +5V depending on design). 12 NC No Connection, not internally connected to any circuitry within the FT230XQ-R. 13 USB_DM USB data - pin, part of the differential pair for USB communication. 14 USB_DP USB data + pin, part of the differential pair for USB communication. 15 NC No Connection. 16 NC No Connection. 17 NC No Connection. 18 NC No Connection. 19 NC No Connection. 20 NC No Connection. 21 NC No Connection. 22 NC No Connection. 23 NC No Connection. 24 NC No Connection. 25 NC No Connection. 26 NC No Connection. 27 NC No Connection. 28 NC No Connection. 29 NC No Connection. 30 NC No Connection. 31 NC No Connection. 32 NC No Connection.(Note: The remaining pins (13-32) in the QFN-32 package are unused or have no connections based on the typical FT230XQ-R implementation. These should not be mistaken for functional pins. Please refer to the datasheet for further information on reserved pins.)
Frequently Asked Questions (FAQ)
Q1: What is the operating voltage for FT230XQ-R? A1: The FT230XQ-R operates typically at a voltage of 3.3V to 5V, depending on the system requirements.
Q2: How do I connect the FT230XQ-R to a microcontroller? A2: You need to connect the TXD, RXD, RTS, CTS, DTR, DSR, DCD, and RI pins to the corresponding microcontroller UART pins for serial communication.
Q3: Can FT230XQ-R handle both 3.3V and 5V logic levels? A3: Yes, the FT230XQ-R can be used with both 3.3V and 5V logic levels, with proper power supply and level-shifting considerations.
Q4: Is the FT230XQ-R compatible with all USB versions? A4: The FT230XQ-R is compatible with USB 2.0 and is designed to provide reliable communication over USB.
Q5: How is the FT230XQ-R powered? A5: The FT230XQ-R is powered via its VCC pin, which typically connects to either a 3.3V or 5V supply, depending on the system design.
Q6: What is the function of the CTS# pin? A6: The CTS# pin is used for hardware flow control, signaling that the FT230XQ-R is ready to receive data.
Q7: How can I use the RTS# pin? A7: The RTS# pin is used for flow control to signal when the device is ready to send data.
Q8: How does the FT230XQ-R handle USB data transfer? A8: The FT230XQ-R handles USB data transfer through the USBDP and USBDM pins, which are the differential pair for USB communication.
Q9: What do I need to connect the FT230XQ-R to a serial port? A9: You need to connect the TXD and RXD pins of the FT230XQ-R to the respective TX and RX pins of the serial device.
Q10: Can the FT230XQ-R be used with Arduino or Raspberry Pi? A10: Yes, the FT230XQ-R can be used with both Arduino and Raspberry Pi by connecting it via USB to serial communication.
Q11: How do I implement USB communication with FT230XQ-R? A11: USB communication is established using the USBDP and USBDM pins, along with proper software drivers for USB-to-serial conversion.
Q12: What is the maximum data transfer rate for FT230XQ-R? A12: The FT230XQ-R supports a data transfer rate of up to 3 Mbps, depending on the configuration and USB host speed.
Q13: What is the function of the DTR# pin? A13: The DTR# pin signals that the device is ready for data transmission, commonly used in serial communication protocols.
Q14: Can I use FT230XQ-R for USB device emulation? A14: Yes, the FT230XQ-R can be used for USB device emulation, enabling USB-to-serial communication between devices.
Q15: What is the role of the DCD# pin? A15: The DCD# pin indicates the detection of a carrier signal, often used in modem communication.
Q16: Can I use FT230XQ-R without a USB host? A16: No, the FT230XQ-R is designed to function as a USB device, so it requires a USB host for communication.
Q17: How do I program the FT230XQ-R? A17: The FT230XQ-R can be programmed using appropriate drivers and firmware for the target platform, such as Windows, Linux, or macOS.
Q18: What is the importance of the RI# pin? A18: The RI# pin signals that the connected device has received a ring signal, often used in modems or other telecommunication devices.
Q19: What happens if I leave unused pins unconnected? A19: Unused pins, such as the NC (No Connection) pins, should be left unconnected. Connecting them is unnecessary and may interfere with the circuit.
Q20: How do I ensure reliable data transfer with FT230XQ-R? A20: To ensure reliable data transfer, use appropriate flow control (RTS/CTS, DTR/DSR) and verify correct pin connections for serial communication.
This detailed description of the FT230XQ-R's pin functions, packaging, and FAQ covers its main characteristics and provides clarity on its integration and use.