We all know that typical IC components usually have only two power pins, one is Vcc or Vdd, and the other is Gnd or Vss. However, modern MCUs often have multiple power pins. What is the reason for this? Taking a certain 100-pin MCU as an example, as shown in the figure below, we can … Read more

1. Introduction Most microcontrollers now come with internal ADCs ranging from 10 to 12 bits. In general applications, how much does the bit depth of ADC conversion affect measurement errors? Is a 12-bit ADC enough? Below, we will discuss the impact of ADC bit depth on measurement errors through practical measurements. 2. Circuit Design We … Read more

To avoid missing my updates, remember to check the public account in the upper right corner and set it as a star, take a star and give it to me. Have you noticed that most microcontrollers operate at 3.3V instead of 3V or 3.5V? Why is that? If you know the reason, please tell us … Read more

Follow+Star Public Number, don’t miss exciting content Source | Embedded Technology Development Last week, I shared the design of the Bootloader Program Security Mechanism, today I will share the design ideas for the remote upgrade of microcontrollers. In IoT applications, the remote IAP upgrade of MCU programs is a very useful feature. When there are … Read more

1. Introduction Currently, most microcontrollers come with built-in AD converters that are typically between 10 to 12 bits. In general applications, how much does the bit depth of AD conversion affect measurement errors? Is a 12-bit ADC sufficient? We will discuss the impact of AD conversion bit depth on measurement error through practical measurements. 2. … Read more

Follow+Star Public Account Number, don’t miss exciting content Source | Renesas Embedded Encyclopedia To create a better atmosphere, many electronic products have applied breathing lights. There are many methods to achieve breathing lights, which are relatively simple. Today, I will describe a few simple steps to configure a breathing light effect with the Renesas microcontroller. … Read more

Introduction 1. MCU’s DAC 2. PWM with Filtering Circuit 2.1 PWM Output DAC 2.2 Explanation of RC Value Selection for PWM Filter 2.3 0~3.3V PWM Output to 0~10V 3. Dedicated Conversion Chips Introduction It has been a long time since I attended a circuit class, and recently I encountered a project requirement, so I thought … Read more

We know that general IC components usually have only two power pins, one is Vcc or Vdd, and the other is Gnd or Vss. However, modern MCUs often have multiple power pins. What is the reason for this? Taking a certain 100-pin MCU as an example, we can see that it has 5 sets of … Read more