You are here: start » interfaces » mcp2221

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
interfaces:mcp2221 [2017/03/09 01:53] – darroninterfaces:mcp2221 [2017/03/09 04:05] (current) – [Microchip MCP2221] darron
Line 6: Line 6:
 These are USB I2C/UART/GPIO bridges which can achieve 115200 baud. These are USB I2C/UART/GPIO bridges which can achieve 115200 baud.
  
-Since they are available in a PDIP package they are very+Since they are available as a dual in-line package they are very
 easy to utilise. easy to utilise.
 === Schematic === === Schematic ===
 +
 +The MCP2221 can be used on a breadboard like this.
 +
 {{:interfaces:dougal.png?200}} {{:interfaces:dougal.png?200}}
  
Line 14: Line 17:
 === LED demo === === LED demo ===
  
 +A simple utility named Dougal has been written to query the MCP2221
 +and also demonstrate how to bit-bang the GPIOs.
 +
 +<code>
 +hg clone http://hg.kewl.org/pub/Dougal
 +cd Dougal/src
 +make
 +sudo ./mcp2221 -b
 +</code>
 +
 +=== Resources ===
 +[[http://ww1.microchip.com/downloads/en/DeviceDoc/20005292B.pdf|Data-sheet]]