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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-05-27 15:53:02 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-05-27 16:02:20 -0400 |
| commit | dfdfebd03321db66ff522f8c21225b2ae2c9be52 (patch) | |
| tree | bb5e36326fa9879163935bbbd707cf2e787f13b8 /source | |
| parent | 9416f0052a7806ff4174a144e8d3449d4e834edb (diff) | |
| download | librambutan-dfdfebd03321db66ff522f8c21225b2ae2c9be52.tar.gz librambutan-dfdfebd03321db66ff522f8c21225b2ae2c9be52.zip | |
Docs: Fix ADC voltage source error.
Vdda, not Vcc.
Diffstat (limited to 'source')
| -rw-r--r-- | source/adc.rst | 10 | ||||
| -rw-r--r-- | source/prolog.rst | 3 |
2 files changed, 7 insertions, 6 deletions
diff --git a/source/adc.rst b/source/adc.rst index a749201..18c54ab 100644 --- a/source/adc.rst +++ b/source/adc.rst @@ -45,11 +45,11 @@ together, or the same voltage can even be sampled by multiple ADC pins at the same time. Another important factor when taking a voltage reading is the -reference voltages that the sample is being compared against. In the -case of the Maple, the high reference is |vcc| and the low reference -is ground. This means that noise or fluctuations on either |vcc| or -ground will affect the measurement. It also means that the voltage you -are trying to sample must be between ground and 3.3 V. +reference voltages that the sample is being compared against. For +Maple, the high reference is |vdda| and the low reference is ground. +This means that noise or fluctuations on either |vdda| or ground will +affect the measurement. It also means that the voltage you are trying +to sample must be between ground and 3.3 V. .. _adc-range: diff --git a/source/prolog.rst b/source/prolog.rst index 2823947..8606555 100644 --- a/source/prolog.rst +++ b/source/prolog.rst @@ -3,5 +3,6 @@ .. recommended by the Sphinx people, who have other ways of doing it. .. Common substitutions -.. |vcc| replace:: V\ :sub:`cc` +.. |vcc| replace:: V\ :sub:`CC` +.. |vdda| replace:: V\ :sub:`DDA` .. |i2c| replace:: I\ :sup:`2`\ C |