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1、单片机原理及接口技术课后习题答答（Single chip microcomputer principle and interface technology after class）Chapter 1, calculation1, 1 (10000111) 2 (87) 16 (0. 101) 2 (0. A) 16 (101111.1011) 2 (2F. B) 16 2, (430) 10 (1AE) 16 (0.6875) 10 (0.6875) 10 (0.6875) 10 (0.6875)(3) (110.851563) to 10 (6 e. DA0008637BD058) 163.
2、 (11101010110) 2 (1878) 10 (1001000.0101101) 2 (72.351563) 10 (0.010101) 2 (0.328125) 10, 4, 1, 00011100B, 10000000B, 11110000BSource code complementIts 0010, 0110, 0010, 0010, 0110(0100 0100 0100 0100 0000The number is 1111 0000 10001111 1001 00006, X, Y, X plus Y, X minus Y1.00100110 00110111 0110
3、0101 10001001The true value 101-901001110 00001111 01011101 00111111The true value93, 63,Its 10110011, 011,00001, 01101100sThe true value of 46 1087. (863) 10 (895) 10 (365) 108. 414235H 434F4D5055544552H 5374756479HSecond question1, what is the number system why should use binary microcomputer hexa
4、decimal number for the computer to performWhy yao learning hexadecimal number.A computer USES the binary number system is counting way is determined by the logic devices used by the computer. This kind of logic devices is a trigger circuit with two states benefit is simple algorithms and implementat
5、ionConvenient system has the stability of the two states. The number in the computer can only be expressed in binary hexadecimalSuitable for read-write convenience.2. What is the development status of the MCU? And what are the application try an example.A microprocessors successfully developed in 19
6、71. Fairchild the United States in 1974 the company developed the worlds first single chipMicrocomputer F8. This machine is composed of two integrated circuit chips instruction systems with different deepWelcome and attention in the field of civil electrical appliances and instruments. The beginning
7、 of a single chip microcomputer development applications quicklyIts expanding.Currently microcontroller is developing in the direction of high performance and many varieties but is given priority to with MCS - 51 8-bit singleThe tablet still dominates the single-chip microcomputer. The application o
8、f single-chip microcomputer such as increasingly wide application in instruments and meters,Intelligent household appliances and special equipment and process control single-chip computer in Peoples Daily life andWork is playing an increasingly important role. 1 industrial control. Single chip micr
9、ocomputer can form various industrial control system, data acquisition system and so on. Such as CNCMachine tools, automatic production line control, motor control, measurement and control system, etc. 2 instrumentation. Such as intelligent instrument, medical device, digital oscilloscope, etc. 3 co
10、mputer peripheral equipment and intelligent interface. Such as graphics terminals, fax machines, copiers, printers,Plotter, disk/tape machine, intelligent terminal, etc. 4 commercial products. Such as vending machines, electronic cash registers, electronic scales, etc.5 household electrical applianc
11、es. Such as microwave oven, TV, air conditioner, washing machine, video recorder, audio equipment, etc.6 consumer electronics. 7 communications equipment and network equipment.8 childrens intelligence toys. 9 auto, construction machinery, aircraft and other large machinery and equipment.10 intellige
12、nt building equipment.11 traffic control equipment. Chapter two, fill in the blank1, 0 low level2, 32 4 8 R0 - R73, the electric reset manually reset button 00 h - 07 00 h 114, the internal data memory external data memory external program memory internal proceduresMemory 35, 256 b; 64 KB6, 0 b 4 KB
13、7, 1.2 MHZ 12 MHZ Second, the choice1, 2, 3, 4, 5, 2, 6, 7, 3, 3, 3, 3, 1, 3, 1, 3, 3, 4, 1, 3, 4, 1, 3, 3, 4, 1, 3, 4, 1, 3, 4, 1, 3, 3Three, judgment,1, 1, 2, 3, 4, root 5, 6, 7, 8, 9, xFour, question 1, MCS - 51 single chip microcomputer internal contains what are the main logic function unitA 1
14、an 8 bit CPU is the core of microprocessor is the center of the arithmetic and logic calculation.Timely 2 on-chip oscillator clock circuit provide standard clock signal all action according to this.3 4 k ROM program memory storage procedures and common form. 4 128 b RAM data storage storage of some
15、intermediate variables and constants, etc. 5 two 16 bit timer/counter full hardware timer 6 32 programmable I/O port line standard 8-bit bidirectional 4 I/O interface each I/O lines can beInput or output independently. 7 a programmable full duplex serial port.8 five interrupt source.2, MCS - 51 series microcontroller memory space
