ARM Cortex-M4

Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

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Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

丨Product Introduction丨 Holtek has launched a new Arm® Cortex®-M4 32-bit USB OTG microcontrollerHT32F49041 designed for high-performance computing and USB application scenarios, utilizing the efficient Cortex®-M4 core. This core implements a complete set of DSP instructions and a Memory Protection Unit (MPU), enhancing numerical computation performance and application security. The microcontroller features multiple power-saving modes, making … Read more

Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

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Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

丨Product Introduction丨 Holtek has launched a new Arm® Cortex®-M4 32-bit USB OTG microcontrollerHT32F49041 designed for high-performance computing and USB application scenarios, utilizing the efficient Cortex®-M4 core. This core implements a complete set of DSP instructions and a Memory Protection Unit (MPU), enhancing numerical computation performance and application security. The microcontroller features multiple power-saving modes, making … Read more

In-Depth Analysis | GPIO Simulation Analysis of High-Performance Microcontroller STM32F407 with ARM Cortex-M4 Core

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In-Depth Analysis | GPIO Simulation Analysis of High-Performance Microcontroller STM32F407 with ARM Cortex-M4 Core

This is the 169th content shared by the platform. GPIO (General Purpose Input/Output) is a versatile interface used to connect microcontrollers, embedded systems, or other electronic devices to interact with the external world.GPIO is a highly flexible interface that can perform various functions such as digital input, digital output, analog input, and analog output. In … Read more

JTAG Debugging – Halt and Step Execution

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JTAG Debugging - Halt and Step Execution

Through JTAG Debugging – Introduction to DAP, a DAP consists of a DP and an AP, where the AP serves as a window to access the resources behind it. In JTAG debugging, Halt and Step Execution actually control the resources of the CPU behind the AP.In STM32F4xx, the Cortex-M4 registers are controlled via AHB-AP, allowing … Read more

TI Releases Speech Recognition Library Based on Cortex-M4 Core MSP432, Includes API Manual and Getting Started Guide, Official Demo Video Available

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TI Releases Speech Recognition Library Based on Cortex-M4 Core MSP432, Includes API Manual and Getting Started Guide, Official Demo Video Available

Note: 1. This speech recognition library can recognize 11 short phrases, and the content to be recognized can be changed at any time. 2. Since the library is written in pure C and has an IAR version, it should also be possible to port it to chips from other manufacturers. 3. The software includes an … Read more

Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

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Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

Holtek has launched a new Arm® Cortex®-M4 32-bit USB OTG microcontroller HT32F49041, designed for high-performance computing and USB application scenarios. It features an efficient Cortex®-M4 core, providing a single-precision floating-point unit (FPU) that supports all Arm® single-precision data processing instructions and data types. This core implements a complete set of DSP instructions and a memory … Read more

Peripheral Driver Implementation for ARM Cortex-M4 Using HAL Library

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Peripheral Driver Implementation for ARM Cortex-M4 Using HAL Library

1. Memory Mapping In the memory mapping diagram of the STM32F429 chip, it can be seen that the peripherals are allocated 512M of space; however, the actual peripherals do not utilize the entire 512M of memory. When operating peripherals, it is sufficient to manipulate their corresponding memory addresses. For more detailed peripheral memory addresses, refer … Read more

Understanding MCU Boot Process in Depth

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Understanding MCU Boot Process in Depth

This article is selected from the Jishu column “Arm Selection” by author lvy, authorized to be transferred from the WeChat public account Arm Selection. This article will take you deeper into the understanding of the MCU boot process. I previously wrote an article analyzing the complete boot process of STM32, but I felt that some … Read more

Step-by-Step Guide to STM32 External Interrupts

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Step-by-Step Guide to STM32 External Interrupts

● Interrupts Interrupts play a very important role in microcontrollers. The code executes from top to bottom by default, and when it encounters conditions or other statements, it jumps to specified locations. During the execution of code in a microcontroller, unexpected situations may arise that need to be handled, which will interrupt the current code. … Read more