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…

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…

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…

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…

23 Min Read

Latest Arm

What is ECC for TCM and Cache in Arm Cortex-M series?

ECC stands for Error Correcting Code. It is a mechanism used to detect and correct data corruption errors in computer…

7 Min Read

What is Data TCM (DTCM) Memory in Arm Cortex-M series?

Data TCM (DTCM) is a small, fast memory located inside the Cortex-M processor that can be used for time-critical data…

7 Min Read

What is Instruction TCM (ITCM) Memory in Arm Cortex-M series?

Instruction TCM (ITCM) is a small, fast memory region that is located within the Cortex-M processor itself. It allows frequently…

7 Min Read

What is Data Cache in Arm Cortex-M series?

The data cache in Arm Cortex-M series microcontrollers is a small, fast memory that stores copies of data from the…

9 Min Read

What is Instruction Cache in Arm Cortex-M series?

The instruction cache in ARM Cortex-M series microcontrollers is a small, fast memory that stores recently accessed instructions to improve…

9 Min Read

What are Stack Limits in Arm Cortex-M series?

The stack limits in Arm Cortex-M series microcontrollers refer to the maximum stack size available for each software thread or…

6 Min Read

What is Security Attribution Unit (SAU) in Arm Cortex-M series?

The Security Attribution Unit (SAU) is a hardware security feature introduced in Arm Cortex-M23 and newer Cortex-M processor cores. It…

6 Min Read

What is Bit-Band memory in Arm Cortex-M series?

Bit-Band is a feature of the memory architecture in Arm Cortex-M series microcontrollers that allows individual bits within the memory…

6 Min Read

What are Single-cycle I/O port in Arm Cortex-M series?

Single-cycle I/O ports in Arm Cortex-M series microcontrollers allow data to be written to or read from the port in…

7 Min Read
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