ISD-COB1760 Nuvoton Technology Corporation of America, ISD-COB1760 Datasheet - Page 2

• Manufacturer Part Number: ISD-COB1760
• Description: BOARD DEMO FOR ISD1760
• Manufacturer: Nuvoton Technology Corporation of America
• Series: ChipCorder®r

Specifications of ISD-COB1760

• Main Purpose: Audio, Voice Record/Playback
• Embedded: No
• Utilized Ic / Part: ISD1760
• Primary Attributes: ASIC, 40 ~ 120 Sec., 4 ~ 12kHz, Class D Amp
• Secondary Attributes: 2.4 ~ 5.5 V, 100k Record Cycles
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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.
CONTENTS OF THE KIT:
−
−
HARDWARE CONNECTIONS:
OPERATIONS:
Standalone Operations:
To Record, simply press-and-hold the
recording. Release Record button to stop recording.
To Playback the recorded message, pressing
automatically when completed. During playback, pressing
operation. While playback operation, the LED flashes.
To Erase a message, simply pressing
message.
To Forward to the next message, pressing
September 2006
ISD1730 / 40 / 50 / 60 / 90 / 120 / 150 / 180 / 210 / 240
where xxx represents the duration
The ISD-COB17xxx COB/Demo board
User’s manual
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•
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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
(AUD) of J4 (J5), as shown below. Also, need to install a jumper at J8 (AUD1-AUX) for AUD output.
Product supported
REC
to Sp- (Sp+) pad of J4 (J5) and re-connect the center pad to Vcc
ERASE
FWD
button and speak to the microphone. The LED stays on while
button will erase the message when it is the 1
button once will advance to the next message.
PLAY
Rev 2
button once plays the message and it stops
Ordering Code
ISD-COB17xxx
PLAY
button again will halt the playback
J5
J4
AUD
Vcc
SP-
SP+
st
or last
2/4