Overview
The FT232BL-REEL, produced by FTDI (Future Technology Devices International Ltd.), is a lead-free version of the FT232BM USB to UART IC. This device is part of the second generation of FTDI’s popular USB UART series and is designed for legacy designs, with recommendations to use the R Family or X Family for new designs. It offers a single-chip solution for USB to asynchronous serial data transfer, making it a versatile component for various applications.
Key Specifications
| Specification | Details |
|---|---|
| Data Transfer Rate (TTL) | 300 Baud to 3M Baud |
| Data Transfer Rate (RS232) | 300 Baud to 1M Baud |
| Data Transfer Rate (RS422/RS485) | 300 Baud to 3M Baud |
| UART Interface | Supports 7/8 data bits, 1/2 stop bits, and Odd/Even/Mark/Space/No Parity |
| Buffer Size | 384 Byte Rx buffer / 128 Byte Tx buffer |
| Supply Voltage | 4.35V to 5.25V |
| Package Type | 32-LD LQFP |
| Operating Temperature | Up to +70°C |
| USB Compatibility | USB 1.1 and USB 2.0 compatible |
| Host Controller Compatibility | UHCI/OHCI/EHCI host controller compatible |
Key Features
- Single chip USB to asynchronous serial data transfer
- Full handshaking and modem interface signals
- Support for event characters and line break condition
- Auto transmit buffer control for RS485
- Support for USB suspend/resume through SLEEP# and RI# pins
- Support for high power USB bus powered devices through PWREN# pin
- Integrated level converter on UART and control signals for interfacing to 5V and 3.3V logic
- Integrated 3.3V regulator for USB IO
- Integrated Power-On-Reset circuit
- Integrated 6MHz – 48Mhz clock multiplier PLL
- USB Bulk or Isochronous data transfer modes
- EEPROM programmable on-board via USB
Applications
- USB to RS232 converters
- USB to RS422 / RS485 converters
- Upgrading RS232 legacy peripherals to USB
- Cellular and cordless phone USB data transfer cables and interfaces
- Interfacing MCU based designs to USB
- USB audio and low bandwidth video data transfer
- PDA to USB data transfer
- USB smart card readers
- Set Top Box (S.T.B.) PC – USB interface
- USB hardware modems
- USB wireless modems
- USB instrumentation
- USB bar code readers
Q & A
- What is the FT232BL-REEL used for?
The FT232BL-REEL is used for converting USB signals to asynchronous serial data and vice versa, making it suitable for various applications including USB to RS232, RS422, and RS485 converters. - What are the data transfer rates supported by the FT232BL-REEL?
The device supports data transfer rates from 300 Baud to 3M Baud for TTL, 300 Baud to 1M Baud for RS232, and 300 Baud to 3M Baud for RS422/RS485. - What is the buffer size of the FT232BL-REEL?
The device has a 384 Byte Rx buffer and a 128 Byte Tx buffer. - Is the FT232BL-REEL lead-free?
Yes, the FT232BL-REEL is a lead-free version of the FT232BM. - What package types are available for the FT232BL-REEL?
The device is available in 32-LD LQFP packages. - What is the operating temperature range of the FT232BL-REEL?
The operating temperature range is up to +70°C. - Is the FT232BL-REEL compatible with USB 2.0?
Yes, the device is compatible with both USB 1.1 and USB 2.0. - Does the FT232BL-REEL support hardware handshaking?
Yes, it supports fully assisted hardware or X-On/X-Off handshaking. - Can the FT232BL-REEL be used for high power USB bus powered devices?
Yes, it supports high power USB bus powered devices through the PWREN# pin. - Is the FT232BL-REEL suitable for new designs?
No, for new designs, it is recommended to use the R Family or X Family of FTDI devices.
