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用51汇编语言设计的DTMF发生器程序 输出到PI的每次间隔是52个指令周期 主频：6M，6M/12=0.5M,每个指令周期：2uS 即每次输出到P1的时间间隔...
用51汇编语言设计的DTMF发生器程序 输出到PI的每次间隔是52个指令周期 主频：6M，6M/12=0.5M,每个指令周期：2uS 即每次输出到P1的时间间隔是122uS 指令周期数：52 + 9 = 61-51 assembly language using the design process DTMF generator output to the PI for each interval is 52 instruction cycle speeds : 6M, 6M/12 = for 0.5 per instruction cycle : 2uS that each output to the P1 time interval is 122uS instruction cycle : 52 9 = 61
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- 积分：1
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c8051f020温度传感器DS1620 调通了的啊
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功能：
1、作为主机通讯采集两路下位机数据并将此数据通过8255送出（十路水位值）
并计算水头送STC板
2、采集数据为BCD码制，先转换成二进制...
功能：
1、作为主机通讯采集两路下位机数据并将此数据通过8255送出（十路水位值）
并计算水头送STC板
2、采集数据为BCD码制，先转换成二进制，处理后再转换成BCD
3、通讯采用方式3，多机通讯，上位机发地址时TB8=1，其他TB8=0
下位机SM2=1，RB8=1时产生中断后使SM2=0收发数据，结束后SM2=1
在此系统中本机硬件地址要设为0-Features: 1, as the host of two-way communication acquisition of data-bit machine and send this data through 8255 (the road level 10 value) and calculate the head sent to STC board 2, for BCD code data collection system, the first converted into binary, and then deal with the conversion into BCD 3, communication using methods 3, multi-machine communications, address PC made TB8 = 1, other TB8 = 0 under the digital machine SM2 = 1, RB8 = 1 when the failure to make SM2 = 0 to send and receive data, after the end of SM2 = 1 in this system to the local hardware address set to 0
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一个简单国外蜘蛛爬虫程序。共享给大家使用，多提宝贵意见。
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Philips SC16C554 string mouth use basic agreement
Philips SC16C554串口使用基本协议-Philips SC16C554 string mouth use basic agreement
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恒压供水控制器恒压供水控制 器V4.0 恒压供水控制器V4.0
恒压供水控制器恒压供水控制 器V4.0 恒压供水控制器V4.0-Constant pressure water supply controller constant pressure water supply controller V4.0 constant pressure water supply controller V4.0
- 2022-01-21 01:46:18下载
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有51单片机控制 液晶显示 可以显示16个字符 快捷方便 容易明白...
有51单片机控制 液晶显示 可以显示16个字符 快捷方便 容易明白-51 MCU LCD can display 16 characters quick and easy easy to understand
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用SST89C58,对微型打印机和液晶的显示
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operating small LCD display Chinese characters, characters and design, font on E...
在89C51上操作小型LCD,显示汉字,字符和图案,字库放在EEPROM-operating small LCD display Chinese characters, characters and design, font on EEPROM
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