基于51的流水线产量统计程序事例2（Based on the 51 line production statistics procedures example 2）.docVIP

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基于51的流水线产量统计程序事例2（Based on the 51 line production statistics procedures example 2）.doc

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基于51的流水线产量统计程序事例2（Based on the 51 line production statistics procedures example 2）

基于51的流水线产量统计程序事例2（Based on the 51 line production statistics procedures example 2） 1# jump to see the reverse? Print font size: tT Leon published in 2011-11-29 08:58 | only see the author Typical subject analysis -- production line production statistics display system I. conditions: 1. provide AEDK5196 simulator. 2. provide pulse input and jitter elimination circuit. Two, assessment content: A production statistics display system of production line is composed of single chip microcomputer. 1. system function: A. uses four digital tubes to dynamically display the number of classes produced (no more than 10000 items per class). B. set up a counting switch. When a class starts production, the switch is placed at a high level, and the system starts to count and move Status display class output. When the switch is placed low, the count is stopped and the display value is reset. The class output is stored in the specified storage unit. C. generates pulses by pressing the button to simulate a production line Progressive presentation. 2. specific requirements: A. uses AEDK5196 simulator as the main part of the hardware, and each product is connected by the photoelectric detecting device when passing through the pipeline terminal A pulse is generated by pressing the button to simulate the pulse, and the input circuit is input to the microcontroller by the dithering circuit. The timer or counter can be counted, and the parallel port can also be counted. The count results are stored in decimal, RAM, 68H (high) and 69H (low) units. And use 8279 chips on the simulator and 8 digital tubes in the 4 right of the digital tube to realize progressive display. The B. counter switch is connected to the P1.0 pin. When the switch is connected to a high level (when the power is switched on, the low level) is started, and when the switch is started, the switch is counted Close by the high level low, stop counting, and has sent data on-chip RAM 50H (high) and 51H (low) unit preservation requ