New USB to Digital Level Interface Cabling Solutions from FTDI

FTDI has added two new cables to its USB to digital level serial interface portfolio. The new C232HM-DDHSL-0 (3.3V output power) and C232HM-EDHSL-0 (5V output power) USB 2.0 Hi-Speed to Digital Level Multi-Protocol Synchronous Serial Engine (MPSSE) cables offer a fast, simple way to connect devices with 3.3V logic level interfaces to USB. Both support the USB 2.0 Hi-Speed (480Mb/s) standard.

FTDI has added two new cables to its USB to digital level serial interface portfolio. Picture: FTDI

These cables consist of the company’s FT232H USB interface chip on a compact circuit board encapsulated into the USB connector end of the cable. The FT232H chip takes care of all the USB signalling and protocols, facilitating rapid implementation. The cables can be used to efficiently communicate with devices using a variety of different synchronous serial interfaces, such as JTAG, SPI or I2C. The MPSSE also enables design engineers to implement their own proprietary synchronous serial bus protocols.

Each cable is terminated by ten individual wires which are single pole connectors that can be interfaced to a 0.1” pitch male header. Measuring 0.5m in length, the cables support data transfer rates of up to 30Mb/s. The C232HM-DDHSL-0 version has a maximum output of 200mA at 3.3V, with the C232HM-EDHSL-0 having a maximum output of 20 mA at 5.0V.

Powered from a USB host port, these cables can be easily configured into various interface options using freely available application software. FTDI also provides the required USB drivers free to download from its website.

Both C232HM cables have an operational temperature range spanning from -40°C to +85°C. They are FCC/CE compliant. Typical applications include interfacing with microcontroller or programmable logic devices, USB transfer of audio data, USB-based medical equipment/industrial instrumentation, carrying out of rapid USB integration in existing electronic systems (i.e. upgrading of legacy peripherals), JTAG systems and FPGA interfacing. The Instant USB product line also includes the recently introduced DB9-USB-RS232 retrofit module, which allows engineers to upgrade legacy RS232 DB9 ports to active USB ports without having to redesign the system.


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