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Diffstat (limited to 'docs/library/machine.I2C.rst')
| -rw-r--r-- | docs/library/machine.I2C.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/library/machine.I2C.rst b/docs/library/machine.I2C.rst index 2a33b1da4..0eb1b67f5 100644 --- a/docs/library/machine.I2C.rst +++ b/docs/library/machine.I2C.rst @@ -91,6 +91,10 @@ General Methods - *sda* is a pin object for the SDA line - *freq* is the SCL clock rate + In the case of hardware I2C the actual clock frequency may be lower than the + requested frequency. This is dependant on the platform hardware. The actual + rate may be determined by printing the I2C object. + .. method:: I2C.deinit() Turn off the I2C bus. |