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ISD-COB17x x x User’s Manual September 2006 Rev 2 Arrow.com. Downloaded from...
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DESCRIPTION: The ISD-COB17xxx is a COB/demo board for ISD1700 series. It has either an ISD17xxx die or ISD17xxx SOIC unit assembled, where xxx represents the duration, to demonstrate the functionalities and voice quality of the ISD1700 device. The default settings for sampling frequency and output are 8kHz and PWM speaker outputs, respectively.
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To change the Volume, pressing button once will alter one volume level. To Reset the device, pressing button will bring the device back to its default state. RESET To vary the sampling frequency, change the Rosc (R5) to the desired value. To feed-through (FT) AnaIn signal to output, install jumper at J2, then connect signal to AnaIn terminal.
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PCB LAYOUT PICTURES: Dimension: 54 mm x 40 mm Top view: Rear view: September 2006 Rev 2 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Downloaded from Downloaded from Downloaded from Downloaded from...
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