FT232RL

Product Summary

The FT232RL is a USB to serial UART interface. The applications of the FT232RL include USB to RS232 / RS422 / RS485 Converters, Upgrading Legacy Peripherals to USB, Cellular and Cordless Phone USB data transfer cables and interfaces, etc.

Parametrics

FT232RL absolute maximum ratings: (1)Storage Temperature:-65℃ to 150℃; (2)Floor Life (Out of Bag) At Factory Ambient (30℃ / 60% Relative Humidity): 168 Hours; (3)Ambient Temperature (Power Applied): -40℃ to 85℃; (4)MTTF FT232RL: 11162037hours; (5)VCC, Supply Voltage: -0.5 to +6.00V; (6)DC Input Voltage – USBDP and USBDM: -0.5 to +3.8V; (7)DC Input Voltage – High Impedance Bidirectionals: -0.5 to + (VCC +0.5)V; (8)DC Input Voltage – All Other Inputs: -0.5 to + (VCC +0.5)V; (9)DC Output Current – Outputs: 24mA; (10)DC Output Current – Low Impedance Bidirectionals: 24mA; (11)Power Dissipation (VCC = 5.25V): 500mW.

Features

FT232RL features: (1)Single chip USB to asynchronous serial data transfer interface; (2)Entire USB protocol handled on the chip - No USB-specific firmware programming required; (3)UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity; (4)Fully assisted hardware or X-On / X-Off software handshaking; (5)Data transfer rates from 300 baud to 3 Megabaud (RS422 / RS485 and at TTL levels) and 300 baud to 1 Megabaud (RS232); (6)In-built support for event characters and line break condition; (7)New USB FTDIChip-ID feature; (8)New configurable CBUS I/O pin; (9)Auto transmit buffer control for RS485 applications; (10)Transmit and receive LED drive signals; (11)New 48MHz, 24MHz,12MHz, and 6MHz clock output signal Options for driving external MCU or FPGA; (12)FIFO receive and transmit buffers for high data throughput. ; (13)256 Byte receive buffer and 128 Byte transmit buffer utilising buffer smoothing technology to allow for high data throughput ; (14)Adjustable receive buffer timeout; (15)Synchronous and asynchronous bit bang mode interface options with RD and WR strobes; (16)New CBUS bit bang mode option; (17)Integrated 1024 bit internal EEPROM for I/O configuration and storing USB VID, PID, serial number and product description strings; (18)Device supplied preprogrammed with unique USB serial number. ; (19)Support for USB suspend / resume; (20)Support for bus powered, self powered, and high-power bus powered USB configurations; (21)Integrated 3.3V level converter for USB I/O; (22)Integrated level converter on UART and CBUS for interfacing to 5V - 1.8V Logic; (23)True 5V / 3.3V / 2.8V / 1.8V CMOS drive output and TTL input. ; (24)High I/O pin output drive option; (25)Integrated USB resistors; (26)Integrated power-on-reset circuit; (27)Fully integrated clock - no external crystal, oscillator, or resonator required; (28)Fully integrated AVCC supply filtering - No separate AVCC pin and no external R-C filter required; (29)UART signal inversion option; (30)USB bulk transfer mode; (31)3.3V to 5.25V Single Supply Operation; (32)Low operating and USB suspend current; (33)Low USB bandwidth consumption; (34)UHCI / OHCI / EHCI host controller compatible; (35)USB 2.0 Full Speed compatible; (36)-40℃ to 85℃ extended operating temperature range; (37)Available in compact Pb-free 28 Pin SSOP and QFN-32 packages (both RoHS compliant).

Diagrams