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Diffstat (limited to 'docs/source/gpio.rst')
| -rw-r--r-- | docs/source/gpio.rst | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/docs/source/gpio.rst b/docs/source/gpio.rst index 7a9031a..4017862 100644 --- a/docs/source/gpio.rst +++ b/docs/source/gpio.rst @@ -1,8 +1,7 @@ .. _gpio: -====== - GPIO -====== +GPIO +==== The Maple features 38 ready-to-use general purpose input/output (GPIO) pins for digital input/output, numbered D0 through D37. These numbers @@ -15,9 +14,9 @@ peripheral functions. This page documents those capabilities, by pin. The current and voltage limitations have not been copied over from the STM32 datasheet (see the :ref:`Recommended Reading <gpio-recommended-reading>` for a link). In particular, a number of -GPIO pins are 5v tolerant (which means that applying 5v to a pin and -reading it as input or allowing it to drain to ground will not damage -that pin), while some are not. +GPIO pins are 5V tolerant (which means that applying 5 volts to a pin +and reading it as input or allowing it to drain to ground will not +damage that pin), while some are not. .. contents:: Contents :local: @@ -27,11 +26,10 @@ that pin), while some are not. Pin Mapping Mega Table ---------------------- -This huge reference table shows the available functionality on every -GPIO pin, by peripheral type. The "STM32" column refers to the port -and number that the header is connected to on the microcontroller. -The "5v?" column documents whether or not the pin is 5v tolerant (see -above). +This table shows the available functionality on every GPIO pin, by +peripheral type. The "STM32" column refers to the port and number that +the header is connected to on the microcontroller. The "5V?" column +documents whether or not the pin is 5 volt tolerant (see above). .. csv-table:: :header: "Pin", "STM32", ":ref:`ADC <adc>`", ":ref:`Timer <timers>`", ":ref:`I2C <i2c>`", ":ref:`UART <usart>`", ":ref:`SPI <spi>`", "5v?" @@ -80,7 +78,7 @@ above). GPIO Modes ---------- -.. doxygenenum:: WiringMode +.. doxygenenum:: WiringPinMode Function Reference ------------------ @@ -100,6 +98,5 @@ Recommended Reading STMicro documentation for STM32F103RB microcontroller: - * `All <http://www.st.com/mcu/devicedocs-STM32F103RB-110.html>`_ * `Datasheet <http://www.st.com/stonline/products/literature/ds/13587.pdf>`_ (pdf) * `Reference Manual <http://www.st.com/stonline/products/literature/rm/13902.pdf>`_ (pdf) |