Quiz 5 - DC Motor

The given figure refers to

• A read-only input port allows the software to sense external digital signals.

• A readable output port allows the software to generate external digital signals.

• A bidirectional port can be configured as a read-only input or readable output port.

• Communication between ports

JTAG (Joint Test Action Group Interface) pins used for

• in-system programming and debugging

• low-speed I/O devices interface

• medium-speed I/O devices interfaces

• communication between microcontrollers

I²C (Inter-Integrated Circuit) pins used for

• in-system programming and debugging

• low-speed I/O devices interface

• medium-speed I/O devices interfaces

• communication between microcontrollers

Which of the following comment is used to perform the input/output on the port

• GPIO_PORTF_DATA_R

• GPIO_PORTF_DEN_R

• GPIO_PORTF_AFSEL_R

• GPIO_PORTF_DIR_R

Which of the following comment is used to specify which pins are input and which are output

• GPIO_PORTF_DATA_R

• GPIO_PORTF_DEN_R

• GPIO_PORTF_AFSEL_R

• GPIO_PORTF_DIR_R

The DC motor converts

• the mechanical energy into alternate current

• the mechanical energy into direct current

• the direct current into mechanical energy

• the alternate current into mechanical energy

The stator and rotor of the DC motor used in our lab respectively

• Permanent magnet & central rotating part

• Central rotating part & permanent magnet

• Temporary magnet & central rotating part

• Central rotating part & temporary magnet

What bits are configured to the priority level of the SysTick exception

• Bits 23 - 21

• Bits 7 - 5

• Bits 2 - 0

• Bits 31 - 29

Configurable priority values are in the range 0-7, with _____ values having higher priority

• Higher

• Lower

• Middle

• Highest

Write priority value as _____ to have highest priority

• 0

• 1

• 5

• 7