FTDI USB-to-serial converters to drive SPI devices

FTDI USB-to-serial converters to drive SPI devices

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Scott W Harden writes:

The FT232 USB-to-serial converter is one of the most commonly-used methods of adding USB functionality to small projects, but recently I found that these chips are capable of sending more than just serial signals. With some creative programming, individual output pins can be big-banged to emulate a clock, data, and chip select line to control SPI devices.
This post shares some of the techniques I use to bit-bang SPI with FTDI devices, and some of perks (and quirks) of using FTDI chips to bit-bang data from a USB port.

FTDI USB-to-serial converters to drive SPI devices – [Link]

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