文件名称:ECGTEST
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单片机系统的设计
由ADC0809与89C51构成的数据采集存储系统
信号采集部分: 前级经过处理放大的模拟信号通过ADC0809处理后转换成数字信号, ADC0809的转换时钟脉冲为200us, 为了有效的转换,ADC0809的start启动信号设置为100us的时钟脉冲,启动方式采用定时器溢出和软件写ADBUSY位启动相结合的方式,输出通道是采用软件分时控制其输出通道。输出后的数字信号直接送往单片机处理.-MCU system design by the composition of ADC0809 with 89C51 Data Acquisition System Signal Acquisition parts: pre-level amplification of the analog signal processed by ADC0809 processed into digital signals, ADC0809 conversion clock pulse 200us, for effective transformation, ADC0809' s start signal is set to 100us start the clock pulses, start mode using the timer overflow and software start writing ADBUSY combination of bits, the output channel is used to control its output channel time-sharing software. Output after processing the digital signal directly to the microcontroller.
由ADC0809与89C51构成的数据采集存储系统
信号采集部分: 前级经过处理放大的模拟信号通过ADC0809处理后转换成数字信号, ADC0809的转换时钟脉冲为200us, 为了有效的转换,ADC0809的start启动信号设置为100us的时钟脉冲,启动方式采用定时器溢出和软件写ADBUSY位启动相结合的方式,输出通道是采用软件分时控制其输出通道。输出后的数字信号直接送往单片机处理.-MCU system design by the composition of ADC0809 with 89C51 Data Acquisition System Signal Acquisition parts: pre-level amplification of the analog signal processed by ADC0809 processed into digital signals, ADC0809 conversion clock pulse 200us, for effective transformation, ADC0809' s start signal is set to 100us start the clock pulses, start mode using the timer overflow and software start writing ADBUSY combination of bits, the output channel is used to control its output channel time-sharing software. Output after processing the digital signal directly to the microcontroller.
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下载文件列表
人体心电信号测试/
人体心电信号测试/STARTUP.A51
人体心电信号测试/Text1.c
人体心电信号测试/tt.Opt
人体心电信号测试/tt.plg
人体心电信号测试/tt.Uv2
人体心电信号测试/tt_Uv2.Bak
人体心电信号测试/STARTUP.A51
人体心电信号测试/Text1.c
人体心电信号测试/tt.Opt
人体心电信号测试/tt.plg
人体心电信号测试/tt.Uv2
人体心电信号测试/tt_Uv2.Bak
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