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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/i2c/summary.rst | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/Documentation/i2c/summary.rst b/Documentation/i2c/summary.rst index 28ff80a2302b..e3ab1d414014 100644 --- a/Documentation/i2c/summary.rst +++ b/Documentation/i2c/summary.rst @@ -11,11 +11,9 @@ systems. Some systems use variants that don't meet branding requirements, and so are not advertised as being I2C but come under different names, e.g. TWI (Two Wire Interface), IIC. -The latest official I2C specification is the `"I2C-bus specification and user -manual" (UM10204) <https://www.nxp.com/webapp/Download?colCode=UM10204>`_ -published by NXP Semiconductors. However, you need to log-in to the site to -access the PDF. An older version of the specification (revision 6) is archived -`here <https://web.archive.org/web/20210813122132/https://www.nxp.com/docs/en/user-guide/UM10204.pdf>`_. +The latest official I2C specification is the `"I²C-bus specification and user +manual" (UM10204) <https://www.nxp.com/docs/en/user-guide/UM10204.pdf>`_ +published by NXP Semiconductors, version 7 as of this writing. SMBus (System Management Bus) is based on the I2C protocol, and is mostly a subset of I2C protocols and signaling. Many I2C devices will work on an |