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I1806S Scheda tecnica(PDF) 9 Page - Winbond

Il numero della parte I1806S
Spiegazioni elettronici  SINGLE-CHIP, SINGLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 6- TO 16-SECOND DURATION
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Produttore elettronici  WINBOND [Winbond]
Homepage  http://www.winbond.com
Logo WINBOND - Winbond

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I1800 SERIES
7. FUNCTIONAL DESCRIPTION
7.1. DETAILED DESCRIPTION
Speech/Sound Quality
Winbond’s patented ChipCorder® technology provides natural record and playback. The input voice
signals are stored directly in nonvolatile cells and are reproduced without the synthetic effect often
heard with digital solid-state speech solutions. A complete sample is stored in a single cell, minimizing
the memory necessary to store a single message.
Duration
The I1800 devices offer single-chip solutions with 6 to 16 seconds of record/playback duration
capacity. Sampling rate and duration are determined by an external resistor connected to the ROSC
pin. These specifications apply with the required resistor value for playback duration.
Sample Rate
Duration
8 KHz
6.4 KHz
5.3 KHz
4 HKz
I1806
6 secs
7.5 secs
9 secs
12 secs
I1810
8 secs
10 secs
12 secs
16 secs
ROSC
80 KΩ
100 KΩ
120 KΩ
160 KΩ
Non-Volatile Storage
The I1800 product utilizes the on-chip Flash memory providing zero-power message storage. The
message is retained for up to 100 years without power. In addition, the device can be re-recorded
typically over 10,000 times.
Basic Operation
The I1800 ChipCorder® device is controlled by the REC pin, and either of two playback pins, PLAYE
(edge-activated playback), and PLAYL (level-activated playback). The I1800 parts are configured for
design simplicity in a single-message application. Device operation is explained in section 7.2,
“Functional Description Example”.
Automatic Power-Down Mode
At the end of a playback or record cycle, the I1800 device automatically returns to a low-power
standby mode, consuming typically 0.5µA, provided that Play REC, XCLK, and FT pins are LOW (see
DC parameters, section 10). During a playback cycle, the device powers down automatically at the
end of the message. During a record cycle, the device powers down immediately after REC is
released LOW.
Publication Release Date: May 2003
- 9 -
Revision 0.0


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