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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-05-27 15:59:19 -0400 |
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| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-05-27 16:02:20 -0400 |
| commit | 70042297aee9ce4bc5e0066036e9c80e28cad8ac (patch) | |
| tree | 2520843a20db6aec3e642d1634e1a673cb19bebf | |
| parent | dfdfebd03321db66ff522f8c21225b2ae2c9be52 (diff) | |
| download | librambutan-70042297aee9ce4bc5e0066036e9c80e28cad8ac.tar.gz librambutan-70042297aee9ce4bc5e0066036e9c80e28cad8ac.zip | |
Docs: Include D3 in low-noise analog pins on Mini.
| -rw-r--r-- | source/hardware/maple-mini.rst | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/source/hardware/maple-mini.rst b/source/hardware/maple-mini.rst index 3e79ed0..743bf1d 100644 --- a/source/hardware/maple-mini.rst +++ b/source/hardware/maple-mini.rst @@ -221,19 +221,14 @@ using the pins summarized in the following table: Low-Noise ADC Pins ^^^^^^^^^^^^^^^^^^ -Analog input pins D4 — D11 on the Maple Mini generally offer -lower-noise ADC performance than D3. If you’re concerned about -getting good ADC readings, we recommend using one of these pins to -take your measurements. - Maple Mini has an electrically isolated analog power plane with its own regulator, and a geometrically isolated ground plane, connected to -the digital plane by an inductor. Pins D4 — D11 are laid out to -correspond with these analog planes, and our measurements indicate -that they generally have the lowest noise of all the analog lines. -However, analog performance may vary depending upon the activity of -the other GPIOs. Consult the :ref:`Maple Mini hardware design files -<maple-mini-hardware>` for more details. +the digital plane by an inductor. Its analog input pins, D3 — D11, +are laid out to correspond with these analog planes, and our +measurements indicate that they generally offer low noise ADC +performance. However, analog performance may vary depending upon the +activity of the other GPIOs. Consult the :ref:`Maple Mini hardware +design files <maple-mini-hardware>` for more details. .. _maple-mini-board-values: |