This article is about the 1937 timer, just beginning to be crystal oscillator frequency, clock frequency, oscillation period, oscillation frequency, instruction period, instruction frequency and so on the noun around halo. First to solve this problem.Crystal oscillator frequency is the frequency of the oscillator, that is, the frequency of the crystal oscillator, because a single-chip microcomputer has internal external crystal, such as you choose the internal crystal oscillator, then the freque
The most suitable for novice beginners single-chip computer 40 experiments free downloadFor beginners single-chip microcomputer 40 experiments, with source code, need information of Dabigatran: 813238832You can also go to the Network Technology forum to download more about the microcontroller, MTK information and learning casesAnalog Switch Lights1. Experimental tasksAs shown in 4.2.1, the monitoring switch K1 (on the P3.0 port), with a light-emitting
implemented in the the definition above is that I am in 6 , 7 years ago to the embedded system to focus on the definition of understanding, the definition of the book there are many, but in this area, who dare not say that their definition is very accurate, including those experts and scholars, after all, the embedded system is a comprehensive subject under the computer categorySecond, the embedded system of stratification and professional classification. Embedded System is divided into 4 layer
Single-chip microcomputer IO Port standard bidirectional, push-pull, high resistance, open-drain mode, LED induction light off experiment11 Long vacation at home rotten, nothing to do, DIY technology get up!"An experimental study on the working type of the 12C enhanced microcontroller I/O port"Animation video effect Download: STC single-chip head file "51cto--> single-chip microcomputer-->led induction light-off experiment"Download link Link: http://p
taskenter_critical ()/taskexit_critical This will block out interrupts and cause loss of interrupts, including the system beat clock. The RTOs kernel Scheduler can be stopped using Vtasksuspendall (): */ Xtasksuspendall (); /* Execute the operation code here. This can be performed for a long time without entering the critical section. During this time, the interrupt will still be responsive, and the RTOs kernel system beat clock will continue to operate */*////////////////to
very rich and there is a huge amount of development resources for learning, for beginners like Xiao Zhu, It is very suitable as a starting point.
A wide range of external devices (clock, relay switch, digital voice, etc)
However, the 80C51 series provides a simple editor with relatively low performance (generally 12 MHz clock, enhanced performance up to 22 MHz, and each instruction requires an average of 12 clock cycles) weak I/O port capabilities, lack of effective software encryption,
microcontrollers dedicated to the Python language have been presented to the public. A python that can be run on a microcontroller also known as Micropython,micro Python is a simple and fast implementation of the Python 3 programming language, specifically optimized for running on a microcontroller. It is based on Ansic, the syntax is basically consistent with Pyton 3, has its own parser, compilers, virtua
recently by the MCU and MPU dizzy, the Internet to find some relevant information, tidy up.
The CPU (central processing Unit, CPU) developed three branches, one is the DSP (digital Signal processing/processor, signal processing), the other two are MCU (Micro Control Unit, microcontroller unit) and MPU (Micro Processor Unit, microprocessor unit).MCU integrates the on-chip peripheral devices, MPU without peripheral devices (such as memory array), is a
Image signal Processing Board of dual Tms320c6678+xilinx FPGA K7 xc7k420t based on 6U VPX
The integrated image processing hardware platform includes 2 blocks of image signal Processing Board, 1 blocks of video processing board, 1 blocks of main control Board, 1 blocks of power Plate, and 1 blocks of VPX backplane.First, the Board of Cards overviewThe image signal Processing board includes 2-piece TI multicore DSP processor-tms320c6678,1 Chip Xilinx FPGA xc7k420t-1ffg1156,1 chip Xili
This is a creation in
Article, where the information may have evolved or changed.
This is a Hyper-V virtual machine with a single core of 1G memory that I have opened, first we use the language and framework version to show you:
root@kerisy:/home/zoujiaqing#goversiongoversiongo1.5.1linux/amd64root@kerisy:/ home/zoujiaqing#ldc2--versionldc-thellvmdcompiler (0.15.0): basedondmdv2.066.1andllvm3.5.0defaulttarget: x86_64-pc-linux-gnuHostCPU:core-avx2http://dlang.org- http://wiki.dlang.org/ldcregister
Article Source: Chengdu HaoWhen we choose Wiznet Network products, faced with a lot of devices do not know how to select, here are some methods to help engineers to quickly and accurately select products.Wiznet's products have a common feature, which is the hardware TCPIP protocol stack. And the difference between them mainly in the interface type, communication performance, the choice is based mainly on the system used by the single-chip microcomputer type and cost of the two factors.If the sys
This section describes how to use the I/O port of MSP430. First, you need to click here to download the library file. After decompression, there are the following files:
1. system. h contains some relational system files and header files of various module functions (I/O is only written );
2. Io. cpp. This file is an implementation file for IO;
3. Interrupt. cpp: The file is interrupted;
Decompress the package. CPP and interrupt. add the CPP file to y
device will send an alarm signal, the accurate time and actual temperature of the fault are recorded in the storage unit of fm31256 for system query. At the same time, the event counter of fm31256 is added with 1 count. Similarly, the serial identification area locking function can be used to write the serial number of the electromagnetic casting and rolling power control device into it, which is safe and reliable.3.1 Hardware principlesThe hardware interface circuit 3 of fm31256 is applied to
Msp430ware++ 's call method using the 3:modbus module Msp430ware is a set of open source MSP430 hierarchical software architecture based on C + + language, which supports multiple peripherals. This article describes the calling method for the Modbus module driver.
1, the hardware schematic diagram uses the Modbus module driver to be connected with the MSP430 monolithic computer UART0 port.
2, use Method A,
1. PrefaceThese days practice the MSP430 ADC12 function, although the on-chip ad function is relatively simple but also learned a little "doorway", this "doorway" is the difference between msp430f5438a and msp430f5438. Here is an example of the use of the on-chip ADC, the first implementation of the UART and timer 1S overflow function, on the basis of the above functions of each 1S printing ad conversion results, the conversion channel directed to cha
In fact, learning single-chip computer This kind of thing is not what single-chip computer learning Forum, first look at the information books, and then practice, if you encounter any problem can not solve the online search for information, on the network on the single-chip microcomputer frequently asked questions are very many, how to pick out the answer you need to cultivate the ability.Single Chip microcomputer is an integrated circuit chip, using large scale integrated circuit technology wil
St official translation of Chinese Application Note summary http://www.51hei.com/stm32/3382.htmlOfficial Chinese an:An3116:stm32? ADC mode and its applicationAN1015: Software technology for improving EMC performance of microcontrollersAN1181: Electrostatic Discharge sensitivity measurementAN1709:ST microcontroller Electromagnetic compatibility (EMC) Design GuideAn2606:stm32? Microcontroller system memory Bo
different from the above bus, it uses a single signal line, which can transmit clock, data, and data transmission is bidirectional, so this single bus technology has a simple line, low hardware overhead and low cost, facilitating Bus Expansion and maintenance. A single bus is applicable to a single host system and can control one or more slave devices. The host can be a microcontroller, And the slave can be a single-bus device. The data exchange betw
The Cortex Microcontroller Software Interface standards (CORTEX microcontroller software Interface standard) are a set of standards that arm and some compiler manufacturers and semiconductor manufacturers follow. is the standard set forth by arm specifically for the CORTEX-M series. Under this standard, arm and chipmakers offer a number of common API interfaces to access the cortex kernel and a number of de
achieve human-machine interaction interface.
2 touch screen working principleThe touch screen controller is equivalent to the interface between the touch screen and the microcontroller. The touch screen is a 4-layer composite film attached to the display surface for use with the display. Figure 1 shows the external structure of the touch screen. Each conductive layer is a working face of the touch screen, and each Working Face is coated with silver g
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