=========================
Functional Requirements
=========================

.. req:: label
   :id: REQ_INT3_1732728110
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The GPIO pins must be configured using GPIO registers.


.. req:: label
   :id: REQ_INT3_1733079937
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The GPIO pin mode must be configurable using MODER.


.. req:: label
   :id: REQ_INT3_1733079964
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The GPIO pin output type must be configurable using OTYPER.


.. req:: label
   :id: REQ_INT3_1733080017
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The GPIO pin speed must be configurable using OSPEEDR.


.. req:: label
   :id: REQ_INT3_1733080058
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The GPIO pin pull type must be configurable using PUPDR.


.. req:: label
   :id: REQ_INT3_1733080090
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system must enable clock for GPIO ports.


.. req:: label
   :id: REQ_INT3_1733080144
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system should allow the IDR to read current logical level of input pins.


.. req:: label
   :id: REQ_INT3_1733080173
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system should allow the ODR to set the logical level of output pins.


.. req:: label
   :id: REQ_INT3_1733080203
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system should allow pins to be set or reset using BSSR.


.. req:: label
   :id: REQ_INT3_1733080237
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system should allow the AFR to configure the pins to work with an alternate function.


.. req:: label
   :id: REQ_INT3_1733080276
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system should allow each pin to support multiple alternate functions.


.. req:: label
   :id: REQ_INT3_1733080301
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system should allow the AFR to select pins and alternate functions.


.. req:: label
   :id: REQ_INT3_1733080326
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system must allow pins in input mode to receive external signals.


.. req:: label
   :id: REQ_INT3_1733080348
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system must allow pins in output mode to send data to external devices.


.. req:: label
   :id: REQ_INT3_1733080373
   :status: Draft
   :date-released:
   :priority: Low
   :submitted-by: Tarik Sinanovic
   :modified-by:
   :category: Functional
   :safety-asil: 
   :references: 
   :verification-and-validation: 

   The system must allow pins in output mode to send signals to external devices.