Javier Massey

50 Articles

Conditional vs Unconditional Branches and Processor Mode in Arm

The ARM architecture supports both conditional and unconditional branches to alter the flow of program execution. Conditional branches test a…

Javier Massey 9 Min Read

How to Boot Cortex-M3 STM32F1 from RAM?

Booting Cortex-M3 STM32F1 microcontrollers from RAM instead of flash memory can offer performance benefits like faster boot times. However, it…

Javier Massey 6 Min Read

Arm Cortex M3 vs M33: A Detailed Comparison

The ARM Cortex-M3 and Cortex-M33 are two popular ARM processor cores designed for embedded and IoT applications. Both offer high…

Javier Massey 7 Min Read

Mapping External RAM Correctly with Scatter Load Files on ARM Cortex-M

When working with external RAM on an ARM Cortex-M chip, it is crucial to map the external memory regions correctly…

Javier Massey 7 Min Read

Reset Vector Configuration for External Flash with Cortex-M1

When using an external flash memory with a Cortex-M1 microcontroller, configuring the reset vector appropriately is crucial for the system…

Javier Massey 9 Min Read

Things to Check When Cortex-M1 Enters Hard Fault Early On

When the Cortex-M1 processor encounters a fatal error early in the boot process, it will enter hard fault mode. This…

Javier Massey 9 Min Read

Achieving Timing Closure for Cortex-M0 on Low-Density FPGAs

Meeting timing closure requirements is essential for successfully implementing Cortex-M0 designs on low-density FPGAs. If timing constraints are not met,…

Javier Massey 6 Min Read

Cortex-M1 address translation when accessing PS DDR memory

The Cortex-M1 processor implements a Memory Protection Unit (MPU) to provide memory access control and address translation capabilities. When accessing…

Javier Massey 6 Min Read

What is zero wait state memory in Arm Cortex-M series?

Zero wait state memory in Arm Cortex-M series microcontrollers refers to the ability to access external memory without any additional…

Javier Massey 9 Min Read

What are Double-Precision (DP) floating-point instructions in Arm Cortex-M series?

Double-precision (DP) floating-point instructions refer to operations that process 64-bit double-precision floating-point data types on Arm Cortex-M series processors. These…

Javier Massey 7 Min Read

Logs/tracing to debug Cortex-M1 application generation failures in Vitis

Debugging application failures when generating projects for Cortex-M1 devices in Vitis can be challenging without proper logging and tracing techniques.…

Javier Massey 6 Min Read

What is the pipeline in cortex-M0?

The Cortex-M0 is a 32-bit ARM processor optimized for microcontroller applications. It is based on the ARMv6-M architecture and is…

Javier Massey 7 Min Read
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