FT232R USB UART IC: Pinout, Applications and Datasheet
This article delves into the capabilities of the FT232R, a device celebrated for its integral role in reducing the complexity of circuit designs. As we explore the architectural and operational nuances of the FT232R, we uncover the subtleties that make it not just a functional entity but a n important component in modern electronics. This detailed examination will walk through its features, practical applications, and how it stands as a beacon of innovation in USB to serial technology.Catalog
What is the FT232R?
The FT232R is a USB to serial UART interface chip known for its streamlined USB to serial design solutions. This versatile device incorporates components like EEPROM, USB termination resistors, and an internal clock circuit, thus doing away with the need for an external crystal. It interfaces effortlessly with a USB host controller and operates with minimal USB bandwidth, simplifying the overall design and reducing the need for external components. A striking aspect of the FT232R is its incorporation of components such as EEPROM and USB termination resistors. These built-in elements lessen the complexity and cost of design. The EEPROM, in particular, is for storing configuration data for the device's operation. The simplified architecture brought about by these integrated components has demonstrated enhanced reliability and a reduced design footprint. The FT232R features multiple pins, each designed for specific and operations. Understanding and effectively utilizing these pins is great unlocking the device's full potential. These pins cater to various functions, from power supply inputs to serial data transmission lines. For instance, the DTR (Data Terminal Ready) and RTS (Request To Send) pins are instrumental in managing the readiness and flow of data, ensuring efficient and dependable data communication.
The FT232R is proficient in using minimal USB bandwidth. This efficiency is invaluable for high-speed data transfer applications, such as data logging systems, where swift and reliable data transmission is need without overwhelming the host system. Such optimal USB bandwidth utilization helps maintain overall system performance and reliability. The FT232R finds application in diverse fields, including industrial automation, medical devices, and consumer electronics. Its simplified design and robust performance considerably benefit these applications. For instance, in industrial automation, the FT232R’s seamless interface with serial devices enables efficient machine monitoring and control, thereby boosting operational efficiency. This adaptability underlines the FT232R's versatility and reliability.
FT232R Equivalent
• UPD1002-A/MQ
• UPD1002T-AI/MQ
Pinout of FT232R
FT232R Symbol, Footprint, and CAD Model
Features of FT232R
Versatile Data Transfer Rates
The FT232R accommodates a broad spectrum of data transfer rates from 300 baud to 3 Mbaud at TTL levels. This adaptability permits its utilization in a variety of applications, catering to both low-speed environments and high-speed data transfers. Its 128-byte receive and 256-byte transmit buffers, along with buffer smoothing technology, ensure reliable and competent data transmission.
Simplified Driver Integration
The device offers both FTDI's royalty-free Virtual COM Port (VCP) and D2XX drivers. These drivers remove the intricacies of USB driver development. This feature supports a straightforward integration process, which aids in expediting development cycles and reducing time to market.
Unique Features and Customization
One of the standout features is the USB FTDIChip-ID™, a unique identifier that bolsters security and anti-counterfeiting measures. The configurable CBUS I/O pins add an extra layer of flexibility for various control functions, such as I/O expansion or bus signaling. Additionally, transmit and receive LED drive signals, as well as versatile UART interface options, cater to diverse communication requirements.
Robust and Flexible Operation
The FT232R excels in supporting multiple USB configurations and integrating +3.3V level converters for I/O, making it compatible with different voltage logic interfaces. The inclusion of an integrated power-on-reset circuit ensures stable initialization. The device's signal inversion options further enhance adaptability in varying applications and environments.
Compact and Durable Packaging
The FT232R is offered in compact, Pb-free 28 Pin SSOP and QFN-32 packages, making it ideal for modern, space-constrained designs. These packages are also compatible with USB 2.0 Full Speed and various host controllers, including UHCI, OHCI, and EHCI. Its operational temperature range from -40°C to 85°C ensures reliability and industrial applications.
FT232RQ-REEL Specifications
FT232RQ-REEL is a uniquely crafted variant of the FT232R device by FTDI, designed with an array of technical specifications to fit diverse applications. This device boasts a factory lead time of 11 weeks and employs surface mount technology.
|
Type |
Parameter |
|
Factory Lead Time |
11 Weeks |
|
Package / Case |
32-VFQFN Exposed Pad |
|
Weight |
188.009377mg |
|
Packaging |
Tape & Reel (TR) |
|
Published |
2004 |
|
Part Status |
Active |
|
Number of Terminations |
32 |
|
Voltage - Supply |
3.3V-5.25V |
|
Function |
Bridge, USB to UART |
|
Number of Channels |
1 |
|
Operating Supply Current |
15mA |
|
Data Rate |
12 Mbps |
|
Standards |
USB 2.0 |
|
Width |
5mm |
|
RoHS Status |
RoHS Compliant |
|
Mount |
Surface Mount |
|
Number of Pins |
32 |
|
Operating Temperature |
-40°C-85°C |
|
Series |
USBmadeEZ-UART |
|
Pbfree Code |
yes |
|
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
|
ECCN Code |
EAR99 |
|
Terminal Position |
QUAD |
|
Operating Supply Voltage |
5V |
|
Interface |
UART |
|
μPs/μCs/Peripheral ICs Type |
BUS CONTROLLER, UNIVERSAL SERIAL BUS |
|
Protocol |
USB |
|
Length |
5mm |
|
Radiation Hardening |
No |
|
Lead Free |
Lead Free |
FT232R Functional Block Diagram
The diagram below visualizes the interaction between these functional blocks in the FT232R:
The FT232R incorporates several functional blocks that work in harmony to deliver USB to serial UART interfaces. The USB Protocol Engine navigates the intricacies of the USB protocol, relieving the system microcontroller of this task. This functionality is advantageous in scenarios where simplifying system architecture and reducing the burden on the main processor hold substantial value. Furthermore, it ensures adherence to USB standards, which is need for certification and seamless integration.
The UART Interface Control block facilitates communication between the FT232R and the system's UART. This interface supports various baud rates, offering flexibility for diverse communication needs. Many often exploit this feature when developing systems that demand reliable serial communication. By allowing fine-tuning of data formats and requirements, this interface proves adaptable for a wide range of scenarios.
FIFO (First-In-First-Out) Buffers are implemented to manage data flow efficiently within the FT232R. These buffers play a role in preventing data overruns and ensuring stable and reliable data transfer, especially in high-speed communication contexts. In practical terms, these buffers are use in applications requiring continuous data streams, such as data logging systems and monitoring solutions. The internal clock generator supplies the necessary clock signals for the timing and synchronization of data transmission and reception. Accurate clock signals uphold data integrity and timing precision. This is good in applications like GPS systems and industrial automation.
The FT232R includes an EEPROM that stores data related to USB configuration, such as product ID, vendor ID, serial number, and other specific settings. This feature allows for customization without external components, streamlining the development process and reducing hardware complexity. Adopting EEPROM in practical applications often enhances product reliability and maintainability.
The power management system within the FT232R efficiently manages power distribution across its functional blocks. This dynamic power management ensures optimal power consumption, which is beneficial in battery-operated devices. An integrated oscillator in the FT232R provides precise clock signals for USB communication. The inclusion of oscillators contributes to system stability and performance in applications demanding stringent timing accuracy.
FT232R Applications
USB to RS232/RS422/RS485 Converters
Converters translating USB signals to RS232/RS422/RS485 protocols are great in revitalizing legacy systems. These converters enable older industrial machines to communicate with modern computing devices, ensuring smooth data transfer and operational control.
Upgrading Legacy Peripherals
Older peripherals, despite lacking modern USB interfaces, still offer considerable utility. Integrating the FT232R upgrades these devices, extending their usable life and enhancing compatibility with contemporary systems. This approach is both resource-efficient and cost-effective, reducing the necessity for completely new hardware.
USB Data Cables for Cellular and Cordless Phones
The FT232R chip's compatibility with various cellular and cordless phones facilitates effective communication between these devices and computers. These cables are use for data synchronization, software updates, and diagnostics, ensuring the phones' efficient operation and maintenance.
Interfacing MCU/PLD/FPGA Designs to USB
Microcontroller, Programmable Logic Device, and Field-Programmable Gate Array designs gain substantial advantages from the USB interfacing capabilities of the FT232R. Streamlining development and debugging processes, this integration saves time and resources. Others utilize the chip’s functionalities to create efficient communication channels between embedded systems and computers.
USB Audio and Low Bandwidth Video Transfers
For applications requiring audio and video transfers over USB with modest bandwidth needs, the FT232R ensures dependable and efficient data transmission. This is need for maintaining clarity in audio streams and stability in video feeds.
PDA to USB Data Transfers
Personal Digital Assistants (PDAs), although less common today, still serve specific professional purposes. The FT232R enables seamless data exchanges by interfacing PDAs to USB, ensuring these devices operate efficiently within modern computing environments.
USB Smart Card Readers
Smart card technology is widely used in secure transactions and access control systems. The FT232R serves as a main component in USB smart card readers, ensuring reliable and secure communication between the cards and host systems. These readers play roles in sectors like finance and security.
USB Instrumentation
In instrumentation, precision and reliability hold importance. The FT232R provides robust connectivity solutions for various measurement and control instruments, facilitating accurate data logging and control. This enhances the efficiency of scientific and industrial experiments and operations.
Industrial Control Interfacing
Industrial environments demand robust and reliable communication solutions. The FT232R enables effective interfacing between control systems and computers, promoting efficient monitoring and management of industrial processes. This supports productivity and operational safety.
MP3 Player Interfaces
With the evolution of music consumption, connecting MP3 players to computers remains relevant. The FT232R enables seamless data transfer, ensuring music libraries can be easily managed and updated.
Flash Card Readers/Writers
Flash memory continues to be use for portable data storage. USB flash card readers and writers using the FT232R facilitate rapid and reliable data transfer, simplifying the management and utilization of digital content.
Set-top Box PC Interfaces
Connecting set-top boxes to PCs enhances multimedia management and playback. The FT232R guarantees stable communication, allowing you to control and stream content effortlessly.
Digital Camera Interfaces
Efficient data transfer from digital cameras to computers for digital photography. The FT232R simplifies this process, enabling quick and secure transfer of images and videos.
Hardware and Wireless Modems
Both wired and wireless modems require reliable data transmission channels. The FT232R offers a stable interface, ensuring consistent connectivity and data integrity.
Bar Code Readers
Bar code readers are require in retail and inventory management. Utilizing the FT232R, these devices can easily connect to computers, enabling swift and accurate data entry and processing.
USB Encryption Dongles
In today's digital age, security is a primary concern. USB encryption dongles with the FT232R provide secure data access and transfer solutions, safeguarding sensitive information from unauthorized access.
FT232R Package Overview
FT232R Manufacturer Information
FTDI Chip is at the forefront of creating innovative silicon solutions that enhance technological interaction. Guided by its "Design Made Easy" philosophy, FTDI offers advanced yet accessible product platforms. The company's portfolio features a renowned USB product line and Embedded Video Engine (EVE) graphic controllers for simplifying machine interface developments. FTDI Chip distinguishes itself through its dedication to simplifying complex technological interactions with innovative product platforms. By consistently evolving its offerings, FTDI ensures that you are equipped with the necessary tools to innovate effectively, demonstrating a profound understanding of today's technological demands.
Datasheet PDF
FT232RQ-REEL Datasheets:
Frequently Asked Questions [FAQ]
1. What characteristics define the FT232R?
The FT232R stands out for its capability to facilitate USB to serial communication. It achieves this by integrating an embedded EEPROM, USB termination resistors, and a self-sustained clock circuit. Integration of these components eliminates the requirement for external crystals. This reduction greatly simplifies circuit design, making it less complex. The practical benefits include decreased board space needs. Enhanced reliability is observed due to fewer external components that could fail.
2. Does FT232R require an internal or external oscillator for its operation?
The FT232R uses its own internal oscillator for standard functions. This built-in oscillator ensures precise timing for reliable communication. The internal setup means no dependency on external oscillators, easing the design and assembly process. Various projects have found that using the internal oscillator streamlines product development. This leads to fewer timing errors and ultimately higher system stability and performance.