What is Serial Wire Viewer (SWV) in Arm Cortex-M?

Serial Wire Viewer (SWV) is a real-time trace functionality that is available in Arm Cortex-M microcontrollers. It allows real-time data…

Mike Johnston 9 Min Read

Arm Cortex-M DAP bus and interconnect architecture Explained

The Arm Cortex-M series of processors feature a Debug Access Port (DAP) that provides debug capability and access to the…

Neil Salmon 11 Min Read

Controlling Clocks and PLL for Power Savings in Cortex-M3

The Cortex-M3 processor provides multiple clock control features that allow significant power savings by slowing or stopping clocks when parts…

David Moore 12 Min Read

Sleep-on-Exit for Automated Low Power in Cortex-M3 (Explained)

Sleep-on-exit is a feature in Cortex-M3 processors that allows the processor to automatically enter a low power sleep mode when…

Eileen David 23 Min Read

Most Popular

What is Instrumentation Trace Macrocell (ITM) in Arm Cortex-M?

14 Min Read

What is Serial Wire Viewer (SWV) in Arm Cortex-M?

9 Min Read

What Are the Different Versions of the Arm Cortex-M?

7 Min Read

What Is the Difference Between Arm Cortex A and M?

6 Min Read

Highlights

Ensuring Thumb Mode Stays Enabled in Cortex-M3

Holly Lindsey 12 Min Read

ARM Cortex M4 Registers

Graham Kruk 8 Min Read

Tips on Implementing ARM Cortex-M processors in FPGAs

Mike Johnston 9 Min Read

Cortex-M0 Multiply Cycles

Javier Massey 6 Min Read

Arm’s Compare and Branch Instructions (CBZ and CBNZ) Explained

Graham Kruk 8 Min Read

What is the Difference Between Cortex-M and Cortex-M4?

Jeday Schwartz 5 Min Read

Latest Arm

Is UART a Bus?

The UART (Universal Asynchronous Receiver/Transmitter) is a widely used serial communication interface found in many microcontrollers and integrated circuits. But…

Javier Massey 9 Min Read

Is UART the same as serial?

The short answer is yes, UART is generally considered to be the same as serial communication. UART stands for Universal…

Jamie Kellett 8 Min Read

What is the Difference Between UART and I2C?

UART (Universal Asynchronous Receiver/Transmitter) and I2C (Inter-Integrated Circuit) are two common communication protocols used in embedded systems and IoT devices.…

Ryan Ryan 7 Min Read

What does the UART stand for?

UART stands for Universal Asynchronous Receiver/Transmitter. It is a computer hardware device that translates data between parallel and serial interfaces.…

Ryan Ryan 8 Min Read

Is UART full duplex?

The short answer is yes, UART (Universal Asynchronous Receiver/Transmitter) is a full duplex serial communication protocol. This means UART can…

Scott Allen 7 Min Read

What is the difference between UART and SPI?

UART (Universal Asynchronous Receiver/Transmitter) and SPI (Serial Peripheral Interface) are both serial communication protocols that are commonly used in embedded…

Scott Allen 10 Min Read

How Unaligned Memory Access is Handled in ARM Cortex-M4

ARM Cortex-M4 microcontrollers have built-in support for unaligned memory access, allowing data to be accessed from memory addresses that are…

Scott Allen 7 Min Read

Unaligned access error in Arm Cortex-M

An unaligned access error can occur in Arm Cortex-M microcontrollers when trying to access data at an address that is…

Scott Allen 10 Min Read

What is the difference between aligned and unaligned access?

Accessing data from memory is a fundamental operation in computing. When a processor needs to read or write data, it…

Scott Allen 7 Min Read

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