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Http://blog.csdn.net/zhanglianpin Before reading this article, I hope you have some simple concepts about computers. You 'd better have learned the computer composition principles and some basic concepts. If you have learned 51 series of single-chip microcomputer and used 51 series of single-chip microcomputer for some development, it is very easy to read these contents. It doesn't matter if you don't hav

Comparison of main ZigBee chip vendor's ZigBee solution competitiveness Comparison of main ZigBee chip vendor's ZigBee solution competitivenessAt present, there are major ZigBee chip vendors (2.4 GHz), including Ti/chipcon, Ember (ST), jennic (), Freescale, and microchip.Currently, ZigBee technology provides three methods:1) ZigBee RF + MCU, such as Ti CC2420 + M

a method of measuring memory chip with multimeter In the motherboard and memory data pins are 64, d0-d63, in order to protect the memory of the data bits, in the d0-d63 of these 64 bits of data are added a resistor with a small resistance to the current limiting effect. The main principle of the tester is to use the program to repeat the test memory chip each data bit pin, to see if there is no breakdown o

[CCID news] Sun Microsystems announced the upcoming release of ultrasparc iv + chip. The IV + chip-based server runs twice as fast as the ultrasparc IV server. The new chip, codenamed "Panther", will detail details about the high-end processor on Tuesday. Like the current ultrasparc IV chip, ultrasparc iv + is impl

chip design is divided into front-end design and back-end design, front-end design (also known as logical design) and back-end design (also known as physical design) does not have a uniform strict boundaries, involving the process-related design is the back-end design. 1. Specification Development Chip specifications, like feature lists, are the design requirements that customers prese

openC). No sibling or advanced Interrupt service D). Must have a RETI directive7 , The register that determines how the timer/counter works is (B).A). TCON B). Tmod C). SCON D). PCON8 , asynchronous serial communication, both the transceiver and the receiver must remain (B).A). Transceiver Clock same B). Stop bit SameC). The data format is the same as the baud rate D). The above are correct9 , the top position of the accumulator is 1, the remaining bits are unchanged, and can be implemented wit

"abstract" in order to reduce the development difficulty of DSP system software, to ensure the real-time nature of the system, shorten the development cycle, the embedded real-time operating system Μc/os-ⅱ porting to the DSP chip is a common method at present. This paper introduces the characteristics of embedded real-time operating system (Μc/os-ⅱ), and analyzes the porting method of Μc/os-ⅱ operating system in the current popular DSP

How to upgrade the MSP430 Program Key Laboratory of optoelectronics, Ocean University of China Abstract: This paper introduces how to upgrade the program of the MSP430 Series single-chip microcomputer, and describes in detail how to implement custom firmware upgrade and remote program upgrade. Various strategies and technologies required for firmware upgrade are provided. Keywords: MSP430 In-System Program JTAG BSL About MSP430 TI's MSP430 Series micr

About the NIC chip problem on the motherboard To the Internet users know that the Internet is used to dial, so the network card is not familiar to people who used to surf the internet, and now do not need to dial, so the Internet card became an essential hardware, and the motherboard on the card chip has become an important part, together to understand: Motherboard card

How to interconnect single-chip serial communication rxd with txd Category:8051 2012-04-0711: 35 Read by 348 Comment (0) Favorites Report Reprinted from: http://blog.csdn.net/sdwuyulunbi/article/details/6632382 I believe many people are confused about how to connect rxd and txd when the microcontroller communicates with a computer or chip. In some circuit diagrams, some are

The delay program is widely used in SCM programming, but some readers do not know how to program the time delay programs in the study, and do not know the machine The difference between the period and the instruction period, do not know the usage of the delay program instruction, this article from the time delay procedure basic concept, the machine cycle and the reference To give a detailed answer to the reader in the form of a graphic method, such as the difference and connection of the cycle

(1) ft232r: ftdi (www.ftdichip.com) recently released a USB Interface Conversion Chip to convert USB to serial UART interfaces, or to synchronize, asynchronous bit-bang interface mode. Ftbench is a real cross-platform solution. It has versions suitable for various operating systems. It is prepared for the Linux kernel and the source code is open. It is part of the Linux kernel. It is easier to design and use this