Device pins that are not connected to a specific peripheral function are control...

Device pins that are not connected to a specific peripheral function are controlled by the GPIO registers. Pins may be dynamically configured as inputs or outputs. Separate registers allow setting or clearing any number of outputs simu 中文-Device pins that are not connected to a specific peripheral function are controlled by theGPIO registers. Pins may be dynamically configured as inputs or outputs. Separateregisters allow setting or clearing any number of outputs simu Chinese

arm7.pdf