pic18f microcontroller

Function Description: Lcd1602 LCD display year, month, day, hour, minute, second, week, temperature, three buttons control time and date adjustment and alarm settings.   Three buttons: 1. "school Hour" key, adjust the second, minute, hour, week,

Function Description: LCD1602 LCD display year, month, day, hour, minute, second, week, temperature, three buttons control time and date adjustment and alarm settings.   Three buttons: 1. "school Hour" key, adjust the second, minute, hour, week,

NOP null Operation Command Syntax: NOP Operand: None Execution time: one instruction cycle Execution Process: Except for consuming one instruction cycle, it has no impact. Therefore, it is usually used as a delay. Status flag impact: None Note: The

Add the content of the addwf W register and the content of the f Data Register Syntax: addwf F, d Operand: F is the low 7-bit address of the data register (0x00 ~ 0x7f) D is the low 7-bit address of the destination register (0x00 ~ 0x7f) When d = F,

Bit operation instructions BCF data register refers to locating 0 Syntax: bcf f, B Operand: F is the low 7-bit address of the data register (0x00 ~ 0x7f) B is the data bit number (0 ~ 7) Execution time: one instruction cycle Execution Process: Clear

I believe that, as a beginner of stm32, everyone is learning by downloading routines from the official website. Now firmwave's latest version is 1.1.0, for http://www.st.com/stonline/stappl/resourceSelector/app? Page = resourceselector & doctype =

In the actual application of RFID, due to the large data volume, the customer needs to occupy multiple sectors and blocks. In the previous interface, only one block can be read for one interaction. When the data volume is large, interaction takes a

Single-chip microcomputer is not difficult programming problems! URGENT!!!!!! Converts the 8-bit binary number in the R0 to 3-bit BCD, resulting in a 1002h~1000h (from high to low) unit of external RAM. For example: At the beginning, the data in the

The type of memory determines the operation and performance of the entire embedded system. Therefore, the selection of memory is a very important decision. Whether powered by battery or mains, application requirements determine the type of memory (volatile or non-volatile) and purpose of use (storing code, data, or both ). In addition, memory size and cost are also important factors to consider during the selection process. For smaller systems, the memory provided by the

The type of memory determines the operation and performance of the entire embedded system. Therefore, the selection of memory is a very important decision. Whether powered by battery or mains, application requirements determine the type of memory (volatile or non-volatile) and purpose of use (storing code, data, or both ). In addition, memory size and cost are also important factors to consider during the selection process. For smaller systems, the memory provided by the

I²C transmits data between devices connected to the bus using only two lines (SDA and SCL). Each device is identified by a unique address (whether it is a microprocessor, LCD driver, memory, or keyboard interface) and can be used as a transmitter or receiver depending on the function of the device. The LCD driver may be just a receiver, and the memory can send and receive data. In addition to transmitters and receivers, the device can be used as a host or slave when transmitting data. The host i

What is Chip Decryption ? What is IC decryption ? What is a single-chip microcomputer decryption ? Brief description of Chip decryption: nbsp; Chip decryption is also known as a single-chip microcomputer decryption (IC decryption ) because the microcontroller chip in the official product is encrypted, A program cannot be read directly using a programmer. But sometimes customers for a number of reasons, need to get a single-chip internal progr

I2C transmits data between devices connected to the bus using only two wires (SDA and SCL. each device is identified by a unique address (whether it is a microprocessor, LCD driver, memory, or keyboard interface) and can be used as a sender or receiver based on the functions of the device. the LCD driver may be a receiver, while the memory can send and receive data. in addition to transmitters and receivers, the device can act as a host or slave when transmitting data. A host is a device that in

A report on the application of SCM in practical training design(Four-axis aircraft)Department: Department of Electrical Information EngineeringClass: (2014) Communication Technology Class 1Name: PengInstructor: ShiSummary In order to meet the design requirements of the four-axis aircraft, the control system and algorithm based on the microcontroller are designed. Firstly, the comparison and demonstration of each unit circuit scheme are carried out, an

microcomputer, it is internationally referred to as Microcontroller (MCU, UC), is the central processor CPU, Random Access to Memory RAM (usually store random data ), read-only memory Rom (usually solidified to store user programs), input/output port I/O and other major computer functional components, are integrated into a chip (chip also known as integrated into IC, integrated circuit ), thus forming a conceptual and complete microcomputer. Semicond

Still remember when reading, the teacher said that single-chip computer, ARM, DSP has interoperability, are CPU, but listen to the teacher can not understand.How can I understand them and find out their similarities and differences? Let's take a look at my wife's views:Icer, SOC design for arm CPUsLet me say a few words, hoping to say a little thinner.First of all, said CPU, central processing unit, the essence is an integrated circuit, the function is to read out from a place (such as ROM) a co

SCM PIN, can be controlled by the program, output high, low level, these can be considered as the output voltage of the microcontroller.However, the output current of MCU is not controlled. The output current of the microcontroller is largely dependent on the external device on the PIN.Single-chip microcomputer output low-level, will allow the external device, to the single-chip microcomputer pin into the current, this current, called "Sink current",

For beginners who want to learn MSP430 MCU, or, you are just transferred to the electronic hardware embedded development, if your electronic basic course has been completed, want to master MSP430 microcontroller, and how to break into the MSP430 learning process as soon as possible, Now summarizes some problems that the novice starts to learn MSP430, and the attention matters and methods in the study. For the heart to learn MSP430 single-chip children

ARM Cortex-M Processor family is an energy-efficient and easy-to-use family of compatible processors designed to help developers meet the needs of future embedded applications. These needs include providing more functions, increasing connections, improving code reuse, and improving energy efficiency at a lower cost. Cortex-M series cost-and power-sensitive MCU and terminal applications (such as intelligent measurement, human-computer interface equipment, automotive and industrial control systems

forward the author's learning methods and steps.The first step: basic Theory knowledge LearningBasic theory knowledge includes analog circuit, digital circuit and C language knowledge. Analog circuits and digital circuits belong to abstract disciplines, it is also a bit of spirit to learn it well. Before you learn SCM, think analog circuit and digital Circuit Foundation is not good, do not hurry to learn SCM, should first review the analog circuit and digital circuit learned knowledge, for lear