单片机及温湿度传感器的发展外文翻译.doc

外文原文

Single chip microcomputer and the development of the

temperature and humidity sensor

Born in the 1970 s single chip microcomputer, and experience the SCM, MCU,

SOC three phases.

(1) SCM namely Single Chip computer stage, main is to seek out the monolithic

forms of the embedded system best system structure. "Innovation mode" success, laid

the SCM and general computer completely different development road.

(2) MCU namely Micro Controller (Micro Controller Unit) stage, the main

SOC tendency. With microelectronics technology, IC design, EDA tools development,

based on the single chip microcomputer application system SOC design can have

larger development.

Temperature is a basic physical quantities, everything in nature is closely related

with the process of temperature. The temperature sensor is the earliest development,

the most widely used kind of sensor. From 17 th century people began to use

temperature measuring. The temperature sensor there are four main types:

thermocouple, thermal resistance, resistance temperature detector (RTD) and

temperature sensor IC. IC temperature sensor and including analog output and digital

output two types. Contact temperature sensor detection part and the tested object has a