msp430 mcu

Stc12c2052 download the program. In this regard, I was a cainiao. I read du Yang's book and ran to Xi Si, and switched the electronic market again. I didn't find stc12c2052, A boss suggested that I buy a 51 series of 89C2051, saying that the functions should be similar. The shopkeeper pushed me out of his pocket and went back to the Internet to check it. Then I ran to Zhongguancun and bought stc12c2052 on the first floor. Then I bought a USB-to-serial cable for 12 yuan. Go home and follow the st

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",

Atmega169 tqfp package mainly has the following models: ATmega169V-8AU, ATmega169V-8AI, ATmega169-16AU, ATmega169-16AI. Model ID description:(1) The difference between "V" and "V": the voltage range supported by "V" is 1.8-5.5 V. If "v" is not provided, the supported voltage range is 2.7-5.5 V.(2) The numeric part of the suffix represents the maximum system clock that MCU can support, such as ATmega169V-8AU and ATmega169V-8AI refers to the system clo

MCU entry guide series () This article by purplesword (jzj1993) original, reproduced please indicate the original web site http://blog.csdn.net/jzj1993 I started to contact single-chip microcomputer when I was in college. At that time, I took a lot of detours and took a lot of time to finally fully understand and master the single-chip microcomputer. In retrospect, I have gone through a lot from being unconceptual about many things to understanding

Take the simulation SPIs as an example:For other peripherals (UART, SPIM, I2s, i²c ... ) is a truth.When the MCU is written: write primarily to a register, which is the entrance to the peripheral (which is basically done and the logic is turned).Spis_tx_data = (i++);Otherwise the MCU will not initiate write operations, the corresponding enable signal will not be some, the address is.When the

Reading guidance The XC866 is the first generation of the new 8-bit microcontroller family (XC800), with integrated high-performance 8051-core, on-chip flash, and powerful peripheral sets. In addition, the XC800 family of internal integrated on-chip oscillators and embedded voltage regulators (EVR) that support single-supply 3.3V or 5.0V further enhance product performance and effectively save system costs.Key Words:XC8668-bit MCU Infineon 　　Previous

St STM32F1 series MCU decryption chip decoding copySTM32F1 series MCU chip decryption:STM32F100 Decryption |Stm32f101 Decryption |stm32f102 Decryption |stm32f103 Decryption |stm32f105 Decryption | stm32f107 decryptionThe STM32F1 series of basic MCUs meet the needs of various applications in the industrial, medical and consumer markets. With this product line, STMicroelectronics is a leader in the world of a

analysis of this system, it is necessary to master the relationship between the connection of memory expansion circuit and the Operation Sequence of MCU external program memory, that is, the Data Bus D0 ~ of MCU ~ D7, address bus a0 ~ A15 and control signal, the signal connection between ale and extended EPROM, 74LS373, and the role of 74LS373 in the circuit. In the figure, 74LS373 is an 8d latch with thre

A) Yes, start to wait for release B) No, return 0 and exit (4) latency of 5 ms, jitter Elimination (5) confirm, return the press signal, and exit Of course, in the single-chip microcomputer, you can also cyclically count to confirm whether it is pressed. Bingo believes that this is a waste of MCU resources, so it will not be said again. 3. De-jitter of buttons in FPGA Many textbooks have not discussed the dejitters in FPGA. But Bingo think

For the tcp ip protocol stack, we have already talked a lot about its principles. However, the principle is not enough. In this regard, we will give you an actual operation example to explain, first, let's take a look at the TCP/IP protocol stack for single-chip microcomputer that runs on single-chip microcomputer. As there are more and more embedded networking devices, we need to implement the TCP/IP protocol stack on embedded devices, however, embedded devices are different from PCs, and gener

withA/D,D/A, such asIntelCompany's8098series and so on. Generally speaking, monolithic microcomputer generally has the following characteristics. • Ability to handle bits.• Predictable execution cycle.• Specializes in interrupt handling, especially for external asynchronous events.• Rich I/0 function. • Low price for easy development.SCM After many years of development, the development of a complete environment, the development of tools, the application of a large number of talent, adequate res

written and stored in power-down cannot be placed in RAM .3. frequently read-write data cannot be placed in nonvolatile memory because nonvolatile memory tends to be slow and write-times limited.4. SCM Resource is limited, access mode and read and write speed limited value, so it is reasonable to use.Since we have these problems, we first analyze and classify the OD data:1. system read-only parameters. From the node factory will not need to change, for example, the node hardware serial number,

Reg51.h and Reg52.h Analysis of the head file in MCU with C programmingWe are programming in C language is often the first line is Reg51.h or other custom header file, how do we understand it?1) "file contains" processing.The first line of the program is a "file contains" processing.The so-called "file contains" refers to a file that contains the contents of the other file in its entirety. The program contains REG51.hThe purpose of the file is to use

1. ConceptMCU Micro ControllerMPU microprocessor2. Differences1) Mpu typically represents a CPU, while the MCU emphasizes the integration of CPU, memory and peripheral circuitry into a single chip2) in the early days, the MCU is called a microcontroller, which refers to the integration of the computer into a chip3) MCUs are also often referred to as on-chip systems (SoC), meaning that the entire system is d

priority register IPPSSerial priority Control bitPs=1Serial port interrupt defined as high-priority interruptps=0Serial port interrupt defined as low priority interrupt PT1 Timer/Counter 1 priority control bit PX1 external Interrupt 1 interrupt priority control bit PT0 Timer/Counter 0 priority control bit PX0 external Interrupt 0 interrupt priority control bit note: The timer system is a separate hardware part of the MCU, It is connected and interact

MPU is the central processing unit (CPU) in a microcomputer called a microprocessor (MPU)MCU also known as monolithic microcomputer (single chip microcomputer) or MCU, refers to the advent of large-scale integrated circuits and development, the computer's CPU, RAM, ROM, timing counters and a variety of I/O interface integrated on a chip, the formation of chip-level computer , different combination control f

MCU VR classes --Time: 2016/7/4 21:30 ~ 22:30Gao Longoza Tang: Hello, everyone.Sue Rui Yuan: Good teacher GaoJohn Chen: Good teacherGao Longoza Tang: Please try the voice of the elder teacherSue Rui Yuan: Hello, everyone.Gao Longoza Tang: please speak to Rui YuanSue : Have you heard my voice?Gao Longoza Tang: I heardGao Longoza Hall: You can use the voice to communicateJohn Chen: thereMandy:okFertility: OkGao Longoza Tang: I will first give you 3 pict

clock cycle: The clock cycle, also known as the oscillation period, is defined as the reciprocal of the clock pulse (it can be understood that the clock cycle is the inverse of the monolithic microcomputer external crystal oscillator, such as the crystal oscillator 12M, its time period is 1/12 us), is the most basic, the smallest unit of time in the computer. In a clock cycle, the CPU only completes one of the most basic actions. For some kind of MCU,

When the MCU clock speed is switched to 32 kHz, IAR can download the Code but cannot debug it. the following error occurs. It indicates that the IAR cannot establish a connection with the target MCU. The specific cause is that the communication speed of SWD is much higher than the MCU clock speed, which leads to communication failure. IAR can be debugged in t

Tags: MCU traffic MCU jiaotongdeng traffic light Jp3 is connected to the PO port. Jp1 is connected to P2 and j22 to p3.0 and p3.1. #include MCU Lesson 16th: simple traffic light