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Alpha Micro delivers connectivity for Raspberry Pi mini computer

02 August 2012

Alpha Micro has added to its range of connectivity offerings with two new FTDI products that address the rapidly growing popularity of the Raspberry Pi (RPi) computing platform.

The TTL-232R-RPi is a USB-to-TTL Serial UART debug cabling system that incorporates the company’s FT232RQ high performance interface IC. This is complemented by the RPi USB Hub Module, which is designed to connect to an RPi unit and expand the number of interfaces that can be accessed downstream from a host.

Released recently, the RPi is a simple, ultra-low cost computer board aimed at inspiring young engineers to learn the fundamental principles of programming. Running the Linux operating system, with a compact format that is the size of a credit card, it utilises a 700MHz ARM-based processor and has a 256MByte SDRAM memory. 

Through FTDI’s debug cable it will be possible for laptop/desktop PCs to interface with the RPi board and perform in-depth analysis on the software application being developed. The 

A one metre long cable connects directly to the RPi’s serial port, which will output kernel debug messages to be acquired by the PC. The FT232RQ USB-to-Serial UART interface IC within the TTL-232R-RPi cable provides a USB to asynchronous serial data transfer path capable of supporting data rates from 300bit/s to 3Mbit/s at 3.3V TTL levels. The chip handles all the USB signalling and protocol requirements.


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