Overview
The FT231XS-R, produced by FTDI (Future Technology Devices International Ltd), is a single-chip USB to full handshake UART interface. This device is designed to provide a seamless bridge between USB and asynchronous serial data transfer, handling the entire USB protocol on the chip without requiring any USB-specific firmware programming. It is part of the FT-X series and is known for its compact design and ease of integration into system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Case/Package | SSOP |
| Data Rate | 12Mbps |
| Height | 0.059inch |
| Interface | UART, USB |
| Length | 8.74mm |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.97V |
| Mount | Surface Mount |
| Number of Channels | 1 |
| Number of Pins | 20 |
| Operating Supply Current | 8mA |
| Operating Supply Voltage | 5V |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Radiation Hardening | No |
| RoHS Compliant | Yes |
| Series | USBmadeEZ-UART, FT-X, X-Chip |
| Weight | 0.016oz |
| Width | 0.157inch |
Key Features
- Fully integrated 2048 byte multi-time-programmable (MTP) memory for storing device descriptors and CBUS I/O configuration.
- Fully integrated clock generation with no external crystal required and optional clock output selection.
- Data transfer rates from 300 baud to 3 Mbaud.
- 512 byte receive and transmit buffers utilizing buffer smoothing technology for high data throughput.
- Configurable CBUS I/O pins and UART signal inversion option.
- Transmit and receive LED drive signals.
- Support for 7 or 8 data bits, 1 or 2 stop bits, and odd/even/mark/space/no parity.
- Synchronous and asynchronous bit bang interface options.
- Battery charger detection for mobile devices.
- Integrated +3.3V level converter and true 3.3V CMOS drive output/TTL input.
- Low operating current of 8mA and USB suspend current of 125µA.
- UHCI/OHCI/EHCI host controller compatible and USB 2.0 Full Speed compatible.
Applications
The FT231XS-R is versatile and can be used in a variety of applications, including:
- Industrial control systems requiring serial communication.
- Medical devices needing reliable USB to UART interfaces.
- Consumer electronics such as printers, scanners, and gaming peripherals.
- Embedded systems and IoT devices that require easy integration of USB functionality.
- Mobile devices for charging and data transfer.
Q & A
- What is the primary function of the FT231XS-R?
The FT231XS-R is a single-chip USB to full handshake UART interface, providing a bridge between USB and asynchronous serial data transfer. - What are the data transfer rates supported by the FT231XS-R?
The device supports data transfer rates from 300 baud to 3 Mbaud. - Does the FT231XS-R require an external crystal for clock generation?
No, the FT231XS-R has fully integrated clock generation and does not require an external crystal. - What is the operating supply current of the FT231XS-R?
The typical operating supply current is 8mA. - Is the FT231XS-R RoHS compliant?
Yes, the FT231XS-R is RoHS compliant. - What are the supported UART configurations?
The device supports 7 or 8 data bits, 1 or 2 stop bits, and odd/even/mark/space/no parity. - Does the FT231XS-R support synchronous and asynchronous bit bang modes?
Yes, it supports both synchronous and asynchronous bit bang interface options. - What is the maximum operating temperature of the FT231XS-R?
The maximum operating temperature is 85°C. - Is the FT231XS-R compatible with USB 2.0 Full Speed?
Yes, it is compatible with USB 2.0 Full Speed. - Does the FT231XS-R have integrated level converters?
Yes, it has an integrated +3.3V level converter and is 5V tolerant.
