电子信息专业英语Unit 8.pptVIP

电子信息专业英语Unit 8 Microcontrollers Contents Text Text Text Text Text Text Text Text Text Text Text Text Knowledge about Translation Knowledge about Translation Knowledge about Translation Knowledge about Translation Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Classroom Reading Company Logo * LOGO 大连理工大学出版社 Text A Knowledge about Translation B Classroom Reading C Microcontrollers The AT89C51 is a low-power, high-performance CMOS 8-bit microcontroller with 4K bytes of Flash programmable and erasable read only memory (PEROM). By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C51 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. 微处理器 AT89C51是一种低功耗、高性能的带有4KB可编程和可擦除的只读存储器(PEROM)。 CMOS 8位微控制器，通过把通用的8位CPU与Flash内存集成在一块单芯片上，AT89C51是一种功能强大的微控制器，它为许多嵌入式控制应用提供了具有高度灵活性且价格低廉的解决方案。 T N microcontroller n. 微处理器 (在本文中可以译成单片机) CMOS 是Complementary Metal Oxide Semiconductor缩写,指互补金属氧 化物(PMOS管和NMOS管)半导体共同构成的互补型MOS集成电路 制造工艺,它的特点是低功耗 programmable a. 可设计的, 可编程的 erasable a. 可消除的, 可抹去的 versatile a. 多用途的,多功能的 monolithic n. 单片电路, 单块集成电路 flexible  a. 柔韧性, 易曲的, 可通融的 cost-effective a. 有成本效益的,划算的 embedded a. 植入的, 深入的, 内含的 The AT89C51 provides the following standard features, 4K bytes of Flash 128 bytes of RAM, 32 I/O lines, two 16-bit timer/counters, a five-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator and clock circuitry. In addition, the AT89C51 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. AT89C51具有以下标准特点：4KB闪存、128字节RAM、32个I/O、2个16位定时器/计数器、五个2级中断结构、全双工串行端口、片内振荡器和时钟电路。此外，AT89C51具有降到零频率的静态逻辑，以及支持两种软件可选的省电模式。 T N interrupt n. 发给电脑的