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Description: 单片机开发板的电路图 包含 PCB。。。。U1=89C51
U2=555
U3=MAX232
U4=24C01
U6＝X25045看门狗
X1=共阳数码管 -Single-chip development board contains the circuit PCB. . . . U1 = 89C51U2 = 555U3 = MAX232U4 = 24C01U6 = X25045 watchdog X1 = total yang digital tube
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Size: 44032 |
Author: sun |
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Description: rs232转rs485原理图和pcb 用max232和sp490e制作的串口转换-the rs232 turn rs485 schematic and pcb
Platform: |
Size: 26624 |
Author: 王西南 |
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Description: MAX232 串口电平转换电路(原理图 PCB）-MAX232 serial level converter circuit (schematic PCB)
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Size: 287744 |
Author: ddoltcat |
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Description: 采用单片机AT89S52进行串口通信系统的设计，本设计实现了串口通信所需的一些基本功能，通过MAX232芯片进行数据转换，并通过1602LCD液晶屏显示实时接收数据。压缩包里的原理图和PCB部分采用Altium Designer 10专业软件来设计。
功能：(1)下位机选用89S51或89S52单片机；
(2)下位机接收上位机的数据并显示在LED或LCD上；
(3)下位机显示数据可以显示固定数据、位移数据、循环位移；-AT89S52 microcontroller design using serial communication system, the design and implementation of some of the basic functions required for serial communication, data conversion through the MAX232 chip, and receive real-time data display via 1602LCD LCD screen. Compressed bag partially schematic and PCB using Altium Designer 10 professional software to design. Features: (1) lower machine selection 89S51 or 89S52 microcontroller (2) lower machine receives PC data and displayed on the LED or LCD (3) lower machine display data can be displayed fixed data, displacement data, cyclic displacement
Platform: |
Size: 9254912 |
Author: 苗雨晨 |
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Description: 软件环境：在网上下载的keilc51v7.01 (Full Version of uVision2)的编辑软件,
我们单位以前买了TEXAS INSTRUMENTS的评估板,其中自带了一张CD，CD中有TI Downloader下 载软件
我就是用上面的2个软件来编辑和下载程序的
硬件情况：我通过host pc的串口(主要是用到2，3，5脚)连到我自己制作的pcb板上的MAX232芯片上，然 后连到MSC1210芯片上，晶振是11.0592M,PSEN脚是接地，ALE脚是接高电平(+5V),EA脚接高电 平,复位也是很好的，数字电源和模拟电源都是+5V的(keilc51v7.01 (Full Version of uVision2))
Platform: |
Size: 2361344 |
Author: 王飞飞飞
|
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Description: max232 pcb board swdweqd
Platform: |
Size: 1055744 |
Author: clearlove6 |
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