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更新时间:2025.02.15
M62453SP MIC音频放大和ALC控制电路的引脚功能及维修数据

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M62453SP MIC音频放大和ALC控制电路的引脚功能及维修数据

LED灯引脚分布图

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There are 27 user-controllable LEDs on the DE2-70 board. Eighteen red LEDs are situated above the 18 toggle switches, and eight green LEDs are found above the pushbutton switches (the 9th green LED is in the middle of the 7-segment displays). Each LED is driven directly by a pin on the Cyclone II FPGA; driving its associated pin to a high logic level turns the LED on, and driving the pin low t

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