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參數(shù)資料
| 型號： | ISD5008EYI |
| 廠商： | Nuvoton Technology Corporation of America |
| 文件頁數(shù)： | 2/54頁 |
| 文件大小： | 0K |
| 描述： | IC VOICE REC/PLAY 4-8MIN 28-TSOP |
| 標準包裝： | 234 |
| 系列： | ISD5008 |
| 接口： | SPI/Microwire |
| 濾波器通頻帶： | 1.7 ~ 3.4kHz |
| 持續(xù)時間： | 4-8 分鐘 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-TSSOP（0.465"，11.8mm 寬） |
| 供應商設備封裝： | 28-TSOP |
| 配用： | ISD-ES511-ND - EVALUATION SYSTEM FOR ISD5100 ISD-ES501-ND - EVALUATION SYSTEM FOR ISD5008 |
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ISD5008
Publication Release Date: Oct 31 2008
- 10 -
Revision 1.2
6
FUNCTIONAL DESCRIPTION
6.1
DETAILED DESCRIPTION
6.1.1
Speech/Sound Quality
The ISD5008 ChipCorder product can be configured via software to operate at 4.0, 5.3, 6.4, or 8.0
kHz sampling frequency, allowing the user a choice of speech quality options. Increasing the duration
decreases the sampling frequency and bandwidth, which affects sound quality. Table 1 shows the
relationship between sampling frequency, duration and filter pass band.
The speech samples are stored directly into on-chip non-volatile memory without the digitization and
compression associated with other solutions. Direct analog storage provides a natural sounding
reproduction of voice, music, tones, and sound effects not available with most solid-state solutions.
6.1.2
Duration
To meet end system requirements, the ISD5008 device is a single-chip solution which provides from 4
to 8 minutes of voice record and playback, depending on the sample rates defined by customer
software.
TABLE 1: SAMPLING RATE / DURATION / FILTER EDGE
Sample Rate
(kHz)
Duration
(Minutes)
Filter Pass Band*
(kHz)
8
4.0
3.4
6.4
5.0
2.7
5.3
6.0
2.3
4
8.0
1.7
* -3dB point
6.1.3
Flash Storage
One of the benefits of Nuvoton’s ChipCorder technology is the use of on-chip nonvolatile memory,
which provides zero- power message storage. The message is retained for up to 100 years (typically)
without power. In addition, the device can be re-recorded over 100,000 times (typically).
6.1.4
Microcontroller Interface
A four-wire (SCLK, MOSI, MISO, SS) SPI interface is provided for ISD5008 control, addressing
functions, and sample rate selection. The ISD5008 is configured to operate as a peripheral slave
device with a microcontroller-based SPI bus interface. Read/Write access to all the internal registers
occurs through this SPI interface. An interrupt signal (INT) and internal read-only Status Register are
provided for handshake purposes.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ISD5008P | 功能描述:IC VOICE REC/PLAY 4-8MIN 28-DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISD5008 標準包裝: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） 供應商設備封裝:28-PDIP 其它名稱:90-21300+000 |
| ISD5008PY | 功能描述:IC VOICE REC/PLAY 4-8MIN 28-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISD5008 標準包裝: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） 供應商設備封裝:28-PDIP 其它名稱:90-21300+000 |
| ISD5008S | 功能描述:IC VOICE REC/PLAY 4-8MIN 28-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISD5008 標準包裝: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） 供應商設備封裝:28-PDIP 其它名稱:90-21300+000 |
| ISD5008SD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE CHIP VOICE RECORD PLAYBACK DEVICE 4-, 5-, 6-, AND 8- MINUTE DURATIONS |
| ISD5008SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Chip Voice Record/Playback Device |
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