外文文献翻译单片机类AT89C2051中英文对照.doc

AT89C2051 Author:Yuan Zhenming,Zhang Liang,Zhan Guohua; From: HYPERLINK http://www.webCT.com http://www.webCT.com AT89C2051 is made in the ATMEL Corporation, which is the low-voltage, high-performance CMOS8-bit microcontroller, Tablets containing repeated 2k bytes of program memory erasable read-only (PEROM) and random 128bytes data memory (RAM), device using ATMELs high density, non-volatile memory technology, Compatible with the standard of MCS-51 instruction set, built-chip 8-bit general-purpose central processing unit and repeatedly write the Flash memory, which can effectively reduce the development costs. AT89C2051 features a powerful single-chip can provide cost-effective in many Applications. Main features: Compatible the MCS51 command system; Contains the 2KB memory re-programming FLASH (1000); 2.7 ~ 6V voltage range; the whole Static work: 0Hz ~ 24KHz;Secrets 2 Program Memory Lock 128 × 8-bit internal RAM 15 programmable I / O lines Two 16-bit timer / counter 6 interrupt sources, two external interrupt sources Programmable Serial Channel High Precision Voltage Comparator （P1.0，P1.1，P3.6）； Have the output port of the LED direct drive Low-power idle and power-down mode The pin Picture of AT89C2051 Picture one the pin of AT89C2051 AT89C2051’s functional description: VCC: Power Supply Voltage GND: land P1 port: P1 mouth is a group of 8-bit bi-directional I / O interface, P1.2 ~ P1.7 provide internal pull-up resistor,P1.0 and P1.1 internal supreme pull-up resistor. P1 mouth output buffer can absorb the current 20mA and direct-drive LED.When Programming and calibration, P1 mouth as the eighth address receive. P3 mouth: P3 port P3.0 ~ P3.5, P3.7 is the internal pull-up resistor with the seven bi-directional I / O interface. Did not bring out the P3.6，It as a generic I / O port, but can not visit. Can be used as a fixed-chip input comparator output signal. when P3 write 1, they were highed the internal pull-up resistor can be raised as an input port.