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Diffstat (limited to 'docs/source/errata.rst')
| -rw-r--r-- | docs/source/errata.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/source/errata.rst b/docs/source/errata.rst index 8feb6ea..657abd9 100644 --- a/docs/source/errata.rst +++ b/docs/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 |