The DCM ChiP is an isolated, regulated DC-DC converter that operates from an unregulated wide range input to produce an isolated output. With its high-frequency zero voltage switching (ZVS) topology, ...
(1) The first step is to add a custom NV_ITEM_ID:In the ZComDef.h file referenced by Zmain.c, there is the following code;// NV Items Reserved for applications (user applications)// 0x0201 ?0x0FFFThis...
The last sensor LSM6DUO
6-axis accelerometer and gyroscope sensor.Schematic diagram, IIC address is 0xD6 :register:
This sensor has many registers, but few of them are used.Here are some commonly used...
[size=4]This specification is mainly aimed at the single-chip microcomputer programming language and the 08 compiler, including typesetting, comments, naming, variable usage, code testability, program...
The I2C bus is a serial bus that we often use in our development process.
The main features of I2C include:
1. Only two buses are needed;
2. There is a simple master/slave relationship between all com...
In
a circuit
with
a switching
device
, a buffer
circuit
is often added
to prevent
the switching
device from overvoltage. However, a large amount of power loss will be generated in...[Details]
The following issues should be noted during the operation of zero-sequence current protection:
(1) When the current loop is disconnected, it may cause protection malfunction. This is a common ...[Details]
Recently, mobile phone manufacturers have been developing smart TVs. After Huawei released the first Honor Smart Screen equipped with Hongmeng operating system, other mobile phone manufacturers have ...[Details]
1. Preparation before measurement ① Check whether there is any debris or oil on the jaws of the meter. Clean it before measuring. ② Carry out mechanical zero adjustment of the instrument. 2. Measur...[Details]
0 Introduction Due to the different processor architectures of the target machine and the host machine, embedded software cannot be directly run and tested on the host machine. Therefore, the develop...[Details]
As an enterprise that needs to use DC or torque motor speed regulators in production, the following considerations are made for distinguishing speed regulators.
Basic methods to distingu...[Details]
Principle of NiMH battery intelligent charging circuit
The voltage of a single NiMH battery is 1.25V, and the maximum voltage when charging is 1.55V. It is not suitable to use a DC power s...[Details]
The base station transmission system is an important part of the mobile communication system, and its performance has a crucial impact on the overall mobile communication quality. According to the ...[Details]
To give full play to the enabling value of the Industrial Internet, the emphasis should be on the word "practical". The 14th Five-Year Plan proposes to systematically lay out new infrastructure and...[Details]
The above figure is the Nand Flash schematic diagram of S3C2440. Below are a few questions to understand the operating principle of Nand Flash. Pin Description Nand Flash is a storage chip, so it ...[Details]
With the rapid development of the electronics industry, the demand for small DC motors is increasing. This type of DC motor often needs to be tested for its current and speed before leaving the factor...[Details]
With the rise of the global automotive electronics industry and people's continuous pursuit of information and intelligence for automobile safety, the automobile tire pressure monitoring system (TPMS)...[Details]
The DC current probe is an instrument used to measure the current of DC circuits. The product has stable performance, is easy to use, and has accurate measurement. It usually consists of a metal pi...[Details]
Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]
Power technology
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