Tedd OKANO / PCA9547

PCA9547: an I2C bus multiplexer control library. PCA9547 is an I2C multiplexer which enables to select 1:8 multiplexed I2C bus. The multiplexer is useful for deviding I2C bus to avoiding slave address conflict and separating capacitive loads. For more information about PCA9547: http://www.nxp.com/documents/data_sheet/PCA9547.pdf

Dependents:   pca9547_Hello m3Dpi

/media/uploads/okano/pca9547_connections.png

Information

For more information, please visit component page.

The PCA9547 is an octal bidirectional translating multiplexer controlled by the I2C-bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels.

pca9547

History

re-publishing to correct revision default tip

2015-04-17, by okano [Fri, 17 Apr 2015 03:34:23 +0000] rev 8

re-publishing to correct revision

sample of different I2C frequency for each devices

2014-08-12, by okano [Tue, 12 Aug 2014 22:40:35 +0000] rev 7

sample of different I2C frequency for each devices

comment update

2015-02-23, by okano [Mon, 23 Feb 2015 06:27:29 +0000] rev 6

comment update

added: a constructor by I2C instance; Code sample update

2015-02-23, by okano [Mon, 23 Feb 2015 06:25:45 +0000] rev 5

added: a constructor by I2C instance; Code sample update

correction: typo in comment

2014-07-01, by okano [Tue, 01 Jul 2014 00:37:01 +0000] rev 4

correction: typo in comment

comment in .cpp file is corrected. previous version was having a header comment of LM75B library. Because this lib is made by modifying LM75B. I was forgetting to replace it :-)

2014-07-01, by okano [Tue, 01 Jul 2014 00:34:27 +0000] rev 3

comment in .cpp file is corrected. previous version was having a header comment of LM75B library. Because this lib is made by modifying LM75B. I was forgetting to replace it :-)

disable function added

2014-07-01, by okano [Tue, 01 Jul 2014 00:28:17 +0000] rev 2

disable function added

API document (doxygen format) added

2014-07-01, by okano [Tue, 01 Jul 2014 00:24:32 +0000] rev 1

API document (doxygen format) added

first library test

2014-07-01, by okano [Tue, 01 Jul 2014 00:10:04 +0000] rev 0

first library test