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| I16-COB00 User's Manual April 2006 Rev 1 1/4 DESCRIPTION: The I16-COB00 is used to demonstrate the voice quality of the ISD1600B ChipCorder series. This board has an empty PDIP socket, so that the desired device can be installed. It can also serve as a prototype board for your initial applications. Product supported ISD1610B/12B/16B/20B CONTENTS OF THE KIT: - - I16-COB00 COB/Demo board User's manual Ordering Code I16-COB00 HARDWARE CONNECTIONS: * * Connect a speaker and a power supply to the related terminals. Please ensure the polarity of the power is correct to avoid any damages to the COB and/or the device. Speaker (SP)/AUD selection: Default setting is SP output. If AUD output is needed, remove the connection from center pad to Sp+ (Sp-) pad and re-connect the center pad to AUD (Vcc), respectively, per diagram below. Sp+ Vcc SP- AUD OPERATIONS: In order to perform the recording and playback functions, just connect a speaker and a power supply to the demo board. Please ensure the polarity of the power is correct for avoiding any damages to the demo board. 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 using PlayE, simply pressing PlayE button once will play the message and it stops automatically when completed. During playback, pressing PlayE button again will halt the playback operation. To Playback the recorded message using PlayL, simply pressing-and-holding PlayL button will play the message and it stops automatically when completed. During playback, releasing PlayL button will cease the playback operation. To demonstrate the voice quality and various durations, one can change the Rosc to the desired value with respect to the sampling frequency, as shown in the datasheet. April 2006 Rev 1 2/4 SCHEMATIC: R7 1 K VCCA R1 4.7 K VCCD 2 3 4 LED REC PLAYE PLAYL 16 R6 1 k DI LED VCCD 15 VSSD V+ C8 10 F VCCA VCCD VCCP V- C2 1 0.1 F VCCA / VCCP 10 C1 4.7 F R3 4.7 K C4 C5 0.1 F 0.1 F R2 6 7 80 K 14 12 C6 4.7 F MIC+ MIC ROSC AGC C3 VSSA 5 0.1 F C9 10 F ISD1600B V SSP 9 Q1 8050C R5 390 C7 0.1 Aud Solder Pads Vcc Electret Microphone R4 4.7 K AUD 13 +SPK- SP+ SP- 8 11 F For any technical details of the ISD1600B series, please refer to the datasheet at: http://www.winbond-usa.com April 2006 Rev 1 3/4 PCB LAYOUT PICTURES: Dimension of PCB: 37.5 mm x 27.7 mm April 2006 Rev 1 4/4 |
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