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Description: 这个包中提供了一些有实际应用价值的子程序供参考选用
SUB1----X25045/43 看门狗/存储器与 89C2051接口子程序
源程序/原理图(21K)X25045.EXE
SUB2----AT24C02/04/08/16 串行存储器与 89C2051接口子程序
源程序/原理图(22K) AT24C02.EXE
SUB3----红外遥控器(熊猫M50462/C54L2)与 89C2051接口子程序
源程序/原理图(21K) M50462.EXE
SUB4----DS1302/HT1302 实时时钟与 89C2051接口子程序
源程序/原理图(20K) DS1302.EXE
SUB6----AT89C2051与上位机RS232通讯接口子程序
源程序/原理图(25K) RS232.EXE
SUB7----VB5.0 与AT89C2051通讯接口子程序
源程序/原理图(22K) VB5.EXE
SUB8----单片机间RS485多机通讯子程序
源程序/原理图(24K) RS485.EXE
-this package provides a number of practical value to the subroutine for reference use SUB1----X25045/43 watchdog / memory interface with the 89C2051 subroutine source / schematics (21K) X25045.EXE SUB2----AT24C02/04/08 / 16 serial memory interface with the 89C2051 subroutine source / schematics (22-karat) AT24C02.EXE SUB3-infrared remote control (Panda M50462/C54L2) and 89C2051 Interface subroutine source / schematics (21K) M50462.EXE SUB4 ---- DS1302/HT1302 real-time clock and 89C2051 Interface subroutine source / schematics (20K) DS1302.EXE SUB6 ---- AT89C2051 and PC RS232 communication interface subroutine source / schematics (25K) ---- RS232.EXE SUB7 with VB5.0 AT89C2051 Communication Interface subroutine source / schematics (22-karat) - SCM VB5.EXE SUB8 between RS485 multi-machine com
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Size: 155938 |
Author: 王伯燕 |
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Description: AT89C2051与上位机RS232通讯接口子程序,实现单片机与上位机的通讯
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Size: 1546 |
Author: 极光 |
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Description: AT89C2051与上位机RS232通讯接口子程序
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Size: 9947 |
Author: 张发 |
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Description: AT89C2051与上位机RS232通讯接口子程序,实现单片机与上位机的通讯-AT89C2051 and PC RS232 communication interface subprogram, the realization of SCM and PC communication
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Size: 1024 |
Author: 极光 |
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Description: 该设计使用AT89C2051方便的完成，通过串口发送代码，然后转换成PS2操作信号的工作。-AT89C2051 convenient use of the design completion, through the serial port to send the code, and then convert the signals to operate the work of PS2.
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Size: 4096 |
Author: sunxiaoli |
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Description:
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Size: 9216 |
Author: 张发 |
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Description: 该小制作所需要的元件很少：单片机TA89C2051一只，RS232接口电平与TTL电平转换心片MAX232CPE 一只，红外接收管一只，晶振11.0592MHz,电解电容10uF4只，10uF一只，电阻1K1个，300欧姆左右1个，瓷片电容30P2个。发光二极管8个。价钱不足20元。
电路原理介绍：
主控制单元是单片机AT89C2051,中断口INT0跟红外接受管U1相连，接收红外信号的脉冲，8个发光二极管作为显示解码输出（也可以用来扩展接其他控制电路），U3是跟电脑串行口RS232相连时的电平转换心片，9、10脚分别与单片机的1、2脚相连，（1脚为串行接收，2脚为串行发送），MAX232CPE的7、8脚分别接电脑串行口的2（接收）脚、3（发送脚）。晶振采用11.0592MHz，这样才能使得通讯的波特率达到9600b/s，电脑一般默认值是9600b/s、8位数据位、1位停止位、无校验位。电路就这么简单了，现在分析具体的编程过程吧。
-err
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Size: 34816 |
Author: xiaoyu |
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Description: AT89C2051与上位机RS232通讯接口子程序-AT89C2051 and PC RS232 communication interface subroutines
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Size: 303104 |
Author: yongzheng |
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Description: 介绍了以AT89C2051单片机为核心的智能频率计的设计，利用单片机内部的定时(计数)器完成待测信号周期(频率)的测量。对系统的信号预处理电路、控制电路和显示电路三大部分进行了研究，采用RS232接口电路，利用VB6编程语言实现了PC机串口接收控制程序。-Introduced a single chip AT89C2051 frequency as the core of intelligent design, the use of single-chip internal timer (count) device under test signals completed cycle (frequency) measurements. The system signal pre-processing circuit, control circuit and display circuit three most studied, using RS232 interface circuit, the use of VB6 programming language to achieve a PC serial port to receive machine control procedures.
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Size: 225280 |
Author: 何蓓 |
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Description: AT89C2051与上位机RS232通讯接口子程序
源程序/原理图(25K) RS232.EXE
-AT89C2051 and PC RS232 communication interface subroutine source code/schematic diagram (25K) RS232.EXE
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Size: 24576 |
Author: zyh |
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Description: 这个包中提供了一些有实际应用价值的子程序供参考选用
SUB1----X25045/43 看门狗/存储器与 89C2051接口子程序
源程序/原理图(21K)X25045.EXE
SUB2----AT24C02/04/08/16 串行存储器与 89C2051接口子程序
源程序/原理图(22K) AT24C02.EXE
SUB3----红外遥控器(熊猫M50462/C54L2)与 89C2051接口子程序
源程序/原理图(21K) M50462.EXE
SUB4----DS1302/HT1302 实时时钟与 89C2051接口子程序
源程序/原理图(20K) DS1302.EXE
SUB6----AT89C2051与上位机RS232通讯接口子程序
源程序/原理图(25K) RS232.EXE
SUB7----VB5.0 与AT89C2051通讯接口子程序
源程序/原理图(22K) VB5.EXE
SUB8----单片机间RS485多机通讯子程序
源程序/原理图(24K) RS485.EXE
-This package provides the practical application of some value for reference subroutine SUB1----X25045/43 optional watchdog/memory interface and subroutine 89C2051 source/schematic (21K) X25045.EXE SUB2---- AT24C02/04/08/16 serial memory interface and subroutine 89C2051 source/schematic (22K) AT24C02.EXE SUB3---- infrared remote control (Panda M50462/C54L2) with 89C2051 interface subroutine source/principle Map (21K) M50462.EXE SUB4----DS1302/HT1302 real-time clock and interface subroutine 89C2051 source/schematic (20K) DS1302.EXE SUB6---- AT89C2051 and PC RS232 communication interface subroutine source/schematic (25K) RS232.EXE SUB7---- VB5.0 and AT89C2051 communication interface subroutine source/schematic (22K) VB5.EXE SUB8---- single-chip multi-machine communication between the RS485 source subroutine/schematic diagram (24K) RS485.EXE
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Size: 159744 |
Author: jiazhenbang |
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Description: 这个包中提供了一些有实际应用价值的子程序供参考选用
SUB1----X25045/43 看门狗/存储器与 89C2051接口子程序
源程序/原理图(21K)X25045.EXE
SUB2----AT24C02/04/08/16 串行存储器与 89C2051接口子程序
源程序/原理图(22K) AT24C02.EXE
SUB3----红外遥控器(熊猫M50462/C54L2)与 89C2051接口子程序
源程序/原理图(21K) M50462.EXE
SUB4----DS1302/HT1302 实时时钟与 89C2051接口子程序
源程序/原理图(20K) DS1302.EXE
SUB6----AT89C2051与上位机RS232通讯接口子程序
源程序/原理图(25K) RS232.EXE
SUB7----VB5.0 与AT89C2051通讯接口子程序
源程序/原理图(22K) VB5.EXE
SUB8----单片机间RS485多机通讯子程序
源程序/原理图(24K) RS485.EXE
-This package provides the practical application of some value for reference subroutine SUB1----X25045/43 optional watchdog/89C2051 memory interface and subroutine source/schematic (21K) X25045.EXE SUB2---- AT24C02/04/08/16 serial memory interface and subroutine source 89C2051/schematic (22K) AT24C02.EXE SUB3---- infrared remote control (Panda M50462/C54L2) with 89C2051 interface subroutine source/principle Map (21K) M50462.EXE SUB4----DS1302/HT1302 real-time clock and interface subroutine 89C2051 source/schematic (20K) DS1302.EXE SUB6---- AT89C2051 and PC RS232 communication interface subroutine source/schematic (25K) RS232.EXE SUB7---- VB5.0 and AT89C2051 communication interface subroutine source/schematic (22K) VB5.EXE SUB8---- single-chip multi-machine communication between the RS485 source subroutine/schematic diagram (24K) RS485.EXE
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Size: 199680 |
Author: kevin |
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Description: 用51单片机的IO实现RS232通信协议-51-IO-RS232
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Size: 1024 |
Author: hujiansheng |
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Description: nRF2401A收/发模式源代码经测试过的-AT89C2051 and PC RS232 communication interface subroutine
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Size: 2048 |
Author: 天冷不加衣 |
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Description: 基于AT89C2051 MCU的韦根接收转换RS232传输协议源代码，已用于产品-Wiegand based on AT89C2051 MCU RS232 protocol converter to receive the source code, has been used in products
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Size: 73728 |
Author: smia |
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Description: Serial data which is transmitted via a RS232 interface is converted to I² C-Bus format. The I² C-Bus is provided from a microcontroller AT89C2051 via software. So it s possible to control I² C-Bus circuits from a PC with low expense. The PC acts as the I² C-Bus master (indirectly via the microcontroller). I² C data can be both written and read, I² C acknowledge bits can be both set and evaluated.
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Size: 48128 |
Author: Smriti |
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Description: Using this programmer you can program the internal flash of the microcontroller AT89C2051 from Atmel. The AT89C2051 programmer is connected via the serial RS232 interface to a PC. In comparison with other programmers, you do not need a special software, a terminal program is sufficient. So there are no platform dependent limitations and it can be used universally.
Generally the programmer supports two different modes:
1. User mode: The desired operation Program (including Erase), Verify, Read or Lockbits can be selected via a BCD switch and started by pressing a button. The desired programming data will be transmitted or received in binary format via the RS232 interface. A special software data handshake is not required. A LED shows the current status.
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Size: 83968 |
Author: Smriti |
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Description: 用51单片机的IO实现RS232通信协议-51-IO-RS232
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Size: 1024 |
Author: ievance |
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Description: Easy 51Pro v2.0宇宙版
包括上位机软件及源代码（VC++6）、下载器固件源代码（KeilC）、下载器电路SCH文件、说明文件、原理教程。目前支持的器件是51系列MCU，支持AT89C2051。原为长沙理工大学 电气与信息工程学院 聂忠强 老师力作
2003.10.28发布。
本人后续据此及其它资料，制作了两个版本的下载线，分别为DB25针串口和USB口。前者使用了RS232电平转换芯片，功能简单，且需要外接电源；后者基于Atmega8AU芯片，与智锋Progisp上位机软件配合使用，支持芯片超多。有关电路、固件等随后打包上传。-Easy 51Pro v2.0 version of the universe including PC software and source code (VC++6), rpogrammer firmware source code (KeilC), circuit SCH files, documentation, tutorials principle. Currently supported devices are 51 series MCU, including AT89C2051. Formerly issured by Nie zhongQiang teacher of the Institute of Electrical and Information Engineering, Changsha University on 2003/10/28.laterly I produced two versions of programmer, respectively DB25-pin serial and USB ports. The former uses RS232 converter, and requires an external power supply the latter is based on an Atmega8AU , and with the use of Chi-feng s Progisp PC software,the programmer can support many kinds of chips. Related circuits, firmware will be uploaded inturn.
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Size: 1330176 |
Author: 王信发 |
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Description: 用51单片机的IO实现RS232通信协议-51-IO-RS232
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Size: 1024 |
Author: ll2per |
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