Javier Massey

50 Articles

Is the Cortex M0 really low-power?

The Cortex-M0 is generally considered a low-power microcontroller core designed by ARM. To answer whether it truly is low-power or…

Javier Massey 6 Min Read

What are the various instruction sets supported by ARM processor?

ARM processors support a variety of instruction set architectures (ISAs) that determine the type of instructions the processor can execute.…

Javier Massey 7 Min Read

What is the frequency of the Cortex-M0 clock?

The Cortex-M0 is an ARM processor core designed for microcontroller applications. It is an extremely low power and area optimized…

Javier Massey 13 Min Read

Is Cortex-M0 32-bit?

The short answer is yes, the Cortex-M0 processor from ARM is a 32-bit processor. The Cortex-M0 is part of ARM's…

Javier Massey 9 Min Read

Cortex-M0 Multiply Cycles

The Cortex-M0 is an ultra low power 32-bit ARM processor core designed for microcontroller applications. It is optimized to achieve…

Javier Massey 6 Min Read

Cortex M0 placing interrupt vector in ram for application starting from a proprietary bootloader

Placing the interrupt vector table in RAM instead of flash memory can provide flexibility for applications using a custom or…

Javier Massey 6 Min Read

What is the first instruction in ARM Cortex M0?

The first instruction executed by an ARM Cortex-M0 processor after reset is located at address 0x00000000. This initial instruction is…

Javier Massey 9 Min Read

What is the Top Level Difference in Features Between Cortex-M23 and Cortex-M0+?

The main difference between the Cortex-M23 and Cortex-M0+ microcontroller architectures from ARM is that the Cortex-M23 is a more advanced…

Javier Massey 12 Min Read

RP2040 vs ESP32: How Do These Popular Microcontrollers Compare?

The Raspberry Pi RP2040 and Espressif ESP32 are two of the most popular microcontroller units (MCUs) used by hobbyists and…

Javier Massey 9 Min Read

Saving Cortex-M4 Processor State for Power-Down and Resume

The Cortex-M4 processor, like most modern processors, supports power-down modes to conserve energy when the system is idle. To properly…

Javier Massey 6 Min Read

The ARM Cortex A/R/M Numbering Convention Explained

ARM processors power billions of devices around the world. From smartphones to smartwatches, ARM chips provide the processing power for…

Javier Massey 9 Min Read

How Instructions are Fetched in Cortex M Processors?

Overview of Instruction Fetch in Cortex M The IFU fetches instructions from memory and feeds them to the execution pipeline.…

Javier Massey 7 Min Read
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