ISD-COB17x x x User`s Manual - Digi-Key
Contents
1. 2121 North First Street San Jose USA Tel 408 943 6666 Fax 408 554 1786 ISD COB17x x x User s Manual SSNS TER Wap i aa chi ae PJ zo O 9 r rd 59 om i 4 T E s E J4 Se 5 1 SF iM a AULT SPH 97 T ma e gt September 2006 Rev 2 1 4 Electronics Corporation America 2727 North First Street San Jose USA Tel 408 943 6666 Fax 408 554 1786 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 Product supported Ordering Code ISD1730 40 50 60 90 120 150 180 210 240 ISD COB17xxx where xxx represents the duration CONTENTS OF THE KIT The ISD COB17xxx COB Demo board User s manual HARDWARE CONNECTIONS e Connect a speaker a power supply to the related terminals Please ensure the polarity of the power is correct to avoid any damages to the demo board When Analn recording or feed2. ing frequency change the Rosc 5 to the desired value To feed through FT Analn signal to output install jumper at J2 then connect signal to Analn terminal SPI Operations Simply connect the SPI signals to the SPI terminal and start running the program For other technical details on the 1501700 series please refer to the datasheet SCHEMATIC VECA i 4 lt CATO due 4 Spl Sp1 1 September 2006 Rev 2 3 4 PCB LAYOUT PICTURES Dimension 54 mm x 40 mm Top view 4 1h j 5 September 2006 Rev 2 4 4
3. through FT is required simply connect the related signal to the Analn and ground points and or connect FT jumper for FT mode Speaker AUD selection Default setting is speaker output If AUD is needed remove the connection from center pad to Sp Sp pad of J4 J5 and re connect the center pad to Vcc AUD of J4 J5 as shown below Also need to install a jumper at J8 AUD 1 AUX for AUD output Vcc SP SONC SP OPERATIONS Standalone Operations To Record simply press and hold the REC button and speak to the microphone The LED stays on while recording Release Record button to stop recording To Playback the recorded message pressing PLAY button once plays the message and it stops automatically when completed During playback pressing PLAY button again will halt the playback operation While playback operation the LED flashes To Erase a message simply pressing ERASE button will erase the message when it is the 1 or last message To Forward to the next message pressing FWD button once will advance to the next message September 2006 Rev 2 2 4 Electronics Corporation America 2727 North First Street San Jose USA Tel 408 943 6666 Fax 408 554 1786 To change the Volume pressing VOL button once will alter one volume level To Reset the device pressing RESET button will bring the device back to its default state To vary the sampl
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