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MC9S12A128CFUE资料 | |
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MC9S12A128CFUE PDF Download |
File Size : 116 KB
Manufacturer:FREESCALE Description:For this application, the derived voltage reading, Vd, is related to the actual instantaneous line voltage Vi by the expression, Vd = Vi Kd/Kv or Vi = Vd Kv/Kd, where Kd is the digitization constant for the ADC in this applica- tion and Kv is the voltage proportionality constant for the circuit design. For this particular application, Kd is 204.6, the digital value from the ADC that represents 1V. Kv is the factor by which the input line voltage is reduced by a voltage divider; in our design, it is 300. |
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1PCS | 100PCS | 1K | 10K | ||
价 格 | |||||
型 号:MC9S12A128CFUE 厂 家:FREESCALE 封 装:4200 批 号:07+ 数 量:QFP80 说 明: |
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