单片机设计外文翻译内容摘要:
CU MCU is COP8 National Semiconductor39。 s products, the pany to produce advanced simulation of the circuit Said. Can produce a high level of digital simulation of mixed circuit. COP8 SCMchip integrated 16bit A / D, which is in the SCM Rare. COP8 SCM internal use of the antiEMI circuit, the watchdog circuit in STOP mode and the call SCM Peter methods are unique. In addition, COP8 encryption control procedures also do better. Samsung Samsung SCM SCM has KS51 and KS57 series four SCM, KS86 and KS88 series of 8bit microcontrollers, KS 17 Series 16 SCM and KS32, 32bit MCU OTP1 SPprogramming in. Samsung public Secretary for the production of memory chips, the memory market oversupply situation, to get involved in the petition to participate in SCM. Samsung SCM technology in the developed countries to introduce to digest the technical, production patible with the product, and then to price Geia advantage to win. For example, in the four aircraft used on the NEC39。 s technology, eight on board the 本科毕业论文 8 introduction of Zilog Z8 technology panies, 32 Plane purchase ARM7 core, DEC technology, Toshiba39。 s technology. SCM die of their very petitive price Winbond Winbond MCU is a 8051 class SCM, W78 their series with the standard 8051 patible, W77 Series Enhanced 51, 8051 the timing was same clock frequency speed of times, FLASH capacity From 4 K to 64 K, a function of ISP. SCM in four areas Winbond with a 921 series and 741 series of LCD driver. 32K,Winbond use HP PARISC microcontroller technology, low production of the 32bit RISC MCU. SCM vendors mentioned above is to enter the Chinese market as part of the SCM vendors, there are many wellknown single Filmmakers such as Mitsubishi, Hitachi, TI and other paper does not mention. Overall, a wellknown . pany39。 s microcontroller technology Are still in the leading position, especially in highend products, highperformance SCM has introduced new Japanese of SCM in the manufacturing sector has also considerable advantages, is also actively for the home appliances major Korea and China39。 s Taiwan Bay in the province of some panies to introduce technology to digest the United States on the basis of patibility with lowpriced products to seize the Chinese yet to a Chinese mainland pany in the MCU so vast a place on the market, which can not but China39。 s electronics industry is a tragedy. On the other hand this range, people dazzling variety of SCM, indeed SCM application engineers to provide a great choice. Such a variety of SCM can enter the Chinese market, this On the note of the practical application of our engineers have been able to all types of integrated MCU performance, price and other factors and the With a selection of objects. Than in the past to analyze, Copy foreign products mainly the idea of a considerable improvement. With the growth of China39。 s economic strength, 本科毕业论文 9 development of new products in the past the idea that too much emphasis on price new products Development can grade the weakness has improved, attention began to use the most advanced microcontroller development of highgrade products Since the development of means of the current SCM is still based simulator, the pany can provide lowcost simulator, to facilitate Technical services and training, pared with the availability of highperformance, lowcost MCU is equally important. The monolithic Manufacturers in the development of tools and technical services also engaged in fierce petition. This petition and the introduction of new singlechip Hightech machines to show the advantages are plementary to each other. As a result of petition for the SCM application engineers to provide a broader Wider choice, and the ultimate beneficiaries of the SCM is the consumer products, because of all walks of life with SCM, This electronic advances in technology led to progress in all walks of life, but also promote the advance of human civilization. 3 The development of battery In power plants and substations, in order to control, signals, protection, automatic devices, lighting and the exchange of the accident is not power blackouts and other power supply devices, generally are required to have a reliable DC power supply. To this end, power plants and more than 110 kV substation batteries are usually used as a DC power supply, but the power requirements of a high degree of reliability and stability, and its power supply capacity and voltage in the most serious accident to ensure the electrical equipment The reliable work. General substation with two batteries: leadacid batteries and nickelcadmium batteries. NiCd batteries existence of the surface so that alkalization DC system insulation decline in prices, maintenance workload, in some important occasions even need to 本科毕业论文 10 configure the double sets of battery defects, and sealed leadacid batteries to the whole, less maintenance, pollutionfree and Highperformance characteristics, adapted to the power system no less hungry people on duty to safeguard the needs of small equipment, on behalf of the DC system in the future development trend, as the current system of choice for substation DC battery. Leadacid battery is the largecapacity battery the main varieties, after more than 100 years of development and improvement of its low cost, highvoltage, abundant raw materials, manufacturing process is simple and in munications, transport, electricity and other departments have been widely used. However, due to various technical conditions of the restrictions adopted by the charging method failed to follow internal battery of physical and chemical laws, so that the whole process of charging there was a serious charge and a gas phenomenon, charging low efficiency, not because of charge and discharge control Reasonable and damage to。单片机设计外文翻译
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答辩日期 二○○四年一月 分类号 F831 学 号 202020638 硕 士 学 位 论 文 货币政策与中国经济发展 江伟 成 指导教师 刘伟伟 教授 专业名称 农业经济管
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