April 2006

Rev 1

2/4

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

Ordering Code

ISD1610B/12B/16B/20B

I16-COB00

CONTENTS OF THE KIT:

−

I16-COB00 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 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.

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.

SP-

AUD

Vcc

Sp+