JESSINIE FT4232HL High Speed USB - Review

JESSINIE FT4232HL High Speed USB to Serial Port Module Complete Demonstration USB2.0 Data Acquisition Development Board on Board AT93C46 Eprom on Board 3.3V LDO 1.8V LDO: A Comprehensive Review

If you are in search of a high-performance USB to serial port module, the JESSINIE FT4232HL is definitely worth considering. It is a versatile device that can be used for various industrial applications such as data acquisition and development. In this review, we will explore the key features of this device and evaluate whether it is a good investment for your business.

Function Description

The JESSINIE FT4232HL is FTDI’s 5th generation of USB devices. It is a USB 2.0 High Speed (480Mb/s) to UART/MPSSE IC. One of the most significant advantages of this device is that it can be configured in a variety of industry-standard serial interfaces. This means that it can be customized to meet the specific requirements of your application.

The FT4232H has four independent configurable interfaces. Two of these interfaces can be configured as UART, JTAG, SPI, I2C or bit-bang mode, using an MPSSE, with independent baud rate generators. The remaining two interfaces can be configured as UART or bit-bang. This versatility means that the FT4232H can be used for a wide range of applications.

EEPROM Interface

The FT4232H can be used without an external EEPROM, in which case it defaults to a quad USB to an asynchronous serial port device. However, if an external 93C46 (93C56 or 93C66) EEPROM is added, the device can be customized for OEM applications. The EEPROM can be used to customize USB VID, PID, Serial Number, Product Description Strings, and Power Descriptor value of the FT4232H. Other parameters controlled by the EEPROM include Remote Wake Up, Soft Pull Down on Power-Off, and I/O pin drive strength.

Asynchronous Bit-Bang Mode

Asynchronous Bit-Bang mode is the same as BM-style Bit-Bang mode. In this mode, data written to the device in the normal manner will be self-clocked onto the parallel I/O data pins (those which have been configured as outputs). Each I/O pin can be independently set as an input or an output. The rate that the data is clocked out at is controlled by the baud rate generator.

Synchronous Bit-Bang Mode

With Synchronous Bit-Bang mode, data will only be sent out by the FT4232H if there is space in the FT4232H USB TXFIFO for data to be read from the parallel interface pins. This Synchronous Bit-Bang mode will read the data bus parallel I/O pins first, before it transmits data from the USB RxFIFO. It is therefore 1 byte behind the output, and so to read the inputs for the byte that you have just sent, another byte must be sent.

Overall Performance

One of the key advantages of the JESSINIE FT4232HL is its high-speed capabilities. It supports USB 2.0 High-Speed (480Mb/s) which makes it ideal for applications that require fast data transfer rates. The device also has four configurable interfaces, which means it can be customized to meet the needs of your specific application. This flexibility is a major selling point for the FT4232HL.

Another major advantage of the FT4232HL is its ability to be configured for a variety of serial interfaces. This means that it can be used for a wide range of industrial applications. Whether you need to interface with a UART, JTAG, SPI, I2C or require a more specialized application, the FT4232HL has you covered.

The device's EEPROM interface also allows for customization of USB VID, PID, Serial Number, Product Description Strings, and Power Descriptor value of the FT4232H for OEM applications. This means that the device can be tailored to match the specific needs of your application. The Soft Pull Down on Power-Off feature can also prolong the lifespan of your device by protecting it from power surges and unexpected shutdowns.

Final Thoughts

Overall, the JESSINIE FT4232HL is a versatile and high-performance USB to serial port module that can be customized to meet the needs of a wide range of industrial applications. Its high-speed capabilities, configurable interfaces, and EEPROM customization interface make it a good investment for businesses that require fast, customized data transfer rates. If you are looking for a flexible and reliable USB to serial port module, the JESSINIE FT4232HL is definitely worth considering.

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JESSINIE FT4232HL High Speed USB

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