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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-02-16 05:45:40 -0500 |
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| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-02-16 05:45:40 -0500 |
| commit | c4177d18f5a433fcac11f8ce96a91bdb5a4207e7 (patch) | |
| tree | 3db2b38b9543093832f2d9a9cf78ef47c4b69d16 /source/errata.rst | |
| parent | e6317f828d346adafad4f03e9f7cf74b1e9acfa8 (diff) | |
| download | librambutan-c4177d18f5a433fcac11f8ce96a91bdb5a4207e7.tar.gz librambutan-c4177d18f5a433fcac11f8ce96a91bdb5a4207e7.zip | |
docs fixes
Diffstat (limited to 'source/errata.rst')
| -rw-r--r-- | source/errata.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/source/errata.rst b/source/errata.rst index 8feb6ea..657abd9 100644 --- a/source/errata.rst +++ b/source/errata.rst @@ -24,20 +24,20 @@ Maple Rev 5 Known issues: * **Pin 3 AIN missing**: Pin 3 is capable of analog input, but the - corresponding "AIN" is missing from its silkscreen. + corresponding "AIN" is missing from its silkscreen. * **GPIO 39-43 not configured**: this is really more of a software "TODO" item. Some of the JTAG header pins are numbered 39-43. These - STM32 pins are indeed fully functional :ref:`GPIO <gpio>` when the a + STM32 pins are indeed fully functional :ref:`GPIO <gpio>` when a :ref:`JTAG <jtag>` device is not connected, but we have not enabled them in software and thus they can not be accessed with the regular :ref:`lang-pinmode` or :ref:`lang-digitalwrite` functions. Potential failure modes: -* **TTL voltage on non-tolerant pins**: not all header pins are 5V - compatible; connecting certain serial devices in the wrong way could - over voltage the pins. The :ref:`Pin-Mapping Mega Table +* **High voltage on non-tolerant pins**: not all header pins are 5V + compatible; so e.g. connecting certain serial devices in the wrong + way could over-voltage the pins. The :ref:`Pin-Mapping Mega Table <pin-mapping-mega-table>` details which pins are 5V-tolerant. Maple Rev 3 |