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Contents

Embedded Systems
Introduction
Embedded Systems OverviewMicroprocessor vs MicrocontrollerDesign Life CycleHardware Software Co-design
ARM Cortex
ARM Cortex-M ArchitectureProgrammers ModelStack MemoryMemory MapInstruction SetException Handling
GPIO & Interrupts
GPIO ProgrammingInterrupts and NVICInterrupt PriorityExternal Interrupts
Timers & PWM
Timer BasicsSysTick TimerInput CaptureOutput ComparePWM GenerationWatchdog TimerReal Time Clock
Serial Communication
UARTSPII2CCAN BusUSB Basics
ADC & Sensors
ADC TypesADC InterfacingDAC InterfacingTemperature SeniorsAccelerometersInterfacing LCDInterfacing Keypad
IoT & Wireless
IoT ArchitecturesIoT Wireless ProtocolsBLEMQTT ProtocolCoAP
RTOS
RTOS ConceptsTask ManagementTask SchedulingInter-Task CommunicationPriority InversionDeadlocks
Other Topics
Low Power DesignBootloaderPCB Design Basics
Other Subjects
Analog ElectronicsDigital ElectronicsSignals & SystemsControl SystemsElectromagnetic TheoryDigital CommunicationAnalog CommunicationNetwork AnalysisMicroprocessorsVLSI DesignVerilog HDLPower ElectronicsDSPElectronic Devices
Section Progress25%

1 of 4 articles

GPIO Programming

Pin configuration, input/output modes, pull-up/down.

Darshan N
Updated: 19 March 2026
7 min read
#Embedded Systems

GPIO Programming Practice

Test your knowledge on this topic!

Question 1 of 3

Q1.What hardware capability is missing from a GPIO pin configured in open-drain output mode?

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Interrupts and NVIC