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參數(shù)資料
| 型號： | ISD2532X |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| 中文描述： | 32 SEC, SPEECH SYNTHESIZER WITH RCDG, UUC28 |
| 封裝： | DIE-28 |
| 文件頁數(shù)： | 10/42頁 |
| 文件大?。?/td> | 1356K |
| 代理商： | ISD2532X |
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ISD2532/40/48/64
7. FUNCTIONAL DESCRIPTION
7.1. D
ETAILED
D
ESCRIPTION
Speech/Sound Quality
The Winbond’s ISD2500 series includes devices offered at 4.0, 5.3, 6.4, and 8.0 kHz sampling
frequencies, allowing the user a choice of speech quality options. Increasing the duration within a
product series decreases the sampling frequency and bandwidth, which affects the sound quality.
Please refer to the ISD2532/40/48/64 Product Summary table below to compare the duration,
sampling frequency and filter pass band.
The speech samples are stored directly into the on-chip nonvolatile memory without any digitization
and compression associated like other solutions. Direct analog storage provides a very true, natural
sounding reproduction of voice, music, tones, and sound effects not available with most solid state
digital solutions.
Duration
To meet various system requirements, the ISD2532/40/48/64 products offer single-chip solutions at
32, 40, 48, and 64 seconds. Parts may also be cascaded together for longer durations.
TABLE 1: ISD2532/40/48/64 PRODUCT SUMMARY
Part Number
Duration
(Seconds)
Input Sample
Rate (kHz)
Typical Filter Pass
Band * (kHz)
ISD2532
32
8.0
3.4
ISD2540
40
6.4
2.7
ISD2548
48
5.3
2.3
ISD2564
64
4.0
1.7
* 3dB roll off point. This parameter is not checked during production testing and may vary due
to process variations and other factors. Therefore, customer should not rely on this value for
testing purposes.
EEPROM Storage
One of the benefits of Winbond’s ChipCorder
technology is the use of on-chip nonvolatile memory,
providing zero-power message storage. The message is retained for up to 100 years typically without
power. In addition, the device can be re-recorded typically over 100,000 times.
Microcontroller Interface
In addition to its simplicity and ease of use, the ISD2500 series includes all the interfaces necessary
for microcontroller-driven applications. The address and control lines can be interfaced to a
microcontroller and manipulated to perform a variety of tasks, including message assembly, message
concatenation, predefined fixed message segmentation, and message management.
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| ISD2540X | SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISD2540 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2540E | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION |
| ISD2540EI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| ISD2540P | 功能描述:IC VOICE REC/PLAY 40-SEC 28-PDIP RoHS:否 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISD2500 標(biāo)準包裝:14 系列:- 接口:串行 濾波器通頻帶:1.7kHz 持續(xù)時間:8 ~ 32 秒 安裝類型:通孔 封裝/外殼:28-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:28-PDIP 其它名稱:90-21300+000 |
| ISD2540PI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
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