Debugging Principles of Serial NOR Flash XIP on i.MXRT

Debugging Principles of Serial NOR Flash XIP on i.MXRT

Hello everyone, I am Pi Zi Heng, a serious technical guy. Today, I will introduce the debugging principles of the NXP i.MX RTyyyy series EVK with serial NOR Flash. This article is the sequel to the second part of the i.MXRT hardware series. In the first episode of the second part, I introduced the usage … Read more

How Cortex-M7 Core Cache Enhances Access Efficiency

How Cortex-M7 Core Cache Enhances Access Efficiency

Hello everyone, I am Pi Zi Heng, a serious technical person. Today, I will introduce to you the actual capture of Flash signal waveforms to observe the AHB read access situation under the i.MXRT FlexSPI peripheral. In the previous article “Actual Capture of Flash Signal Waveforms to Observe AHB Read Access under i.MXRT FlexSPI Peripheral … Read more

How Cortex-M7 Cache Enhances Access Efficiency

Today, Pi Zi Heng introduces the actual capture of Flash signal waveforms to examine the AHB read access conditions under the FlexSPI peripheral of i.MXRT. In the previous article “Actual Capture of Flash Signal Waveforms to Examine AHB Read Access Conditions Under the FlexSPI Peripheral of i.MXRT (With Prefetch)” Pi Zi Heng captured the timing … Read more

Why Serial NAND Flash Does Not Support XiP?

Why Serial NAND Flash Does Not Support XiP?

Today, we will introduce the two main characteristics of serial NAND Flash that prevent it from supporting XiP under the i.MXRT FlexSPI. In the embedded world, when we mention XiP devices (memory that supports code execution in place), the first thing that comes to mind should be NOR Flash. For example, mid-range and low-end MCUs … Read more