Winbond ISD-COB17 Series Bedienungsanleitung

September 2006 Rev 2 1/4

ISD-COB17x x x

User’s Manual

Downloaded from Arrow.com.

September 2006 Rev 2 2/4

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:

•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 demo board.

•When AnaIn recording or feed-through (FT) is required, simply connect the related signal to the

AnaIn 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 (AUD1-AUX) for AUD output.

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 PLA

button once plays the message and it stops

automatically when completed. During playback, pressing PLA

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 1st or last

message.

To Forward to the next message, pressing FWD button once will advance to the next message.

SP+

AUD

SP-

Vcc

Downloaded from Arrow.com.Downloaded from Arrow.com.

September 2006 Rev 2 3/4

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 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.

SPI Operations:

Simply connect the SPI signals to the SPI terminal and start running the program.

For other technical details on the ISD1700 series, please refer to the datasheet.

SCHEMATIC:

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

September 2006 Rev 2 4/4

PCB LAYOUT PICTURES:

Dimension: 54 mm x 40 mm

Top view:

Rear view:

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

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