參數(shù)資料
型號(hào)： 15104X
廠(chǎng)商： WINBOND ELECTRONICS CORP
英文描述： SINGLE-CHIP 1 TO 16 MINUTES DURATION VOICE RECORD/PLAYBACK DEVICES WITH DIGITAL STORAGE CAPABILITY
中文描述： 單芯片1到16分鐘的語(yǔ)音記錄/播放設(shè)備數(shù)字存儲(chǔ)能力
文件頁(yè)數(shù)： 9/88頁(yè)
文件大?。?/td> 612K
代理商： 15104X
ISD5100 – SERIES
Publication Release Date: October, 2003
- 9 -
Revision 0.2
7. FUNCTIONAL DESCRIPTION
7.1. O
VERVIEW
7.1.1 Speech/Voice Quality
The ISD5100 ChipCorder Series can be configured via software to operate at 4.0, 5.3, 6.4 or 8.0 kHz
sampling frequency to select appropriate voice quality. Increasing the duration decreases the
sampling frequency and bandwidth, which affects audio quality. The table in the following section
shows the relationship between sampling frequency, duration and filter pass band.
7.1.2. Duration
To meet system requirements, the ISD5100 Series are single-chip solution, which provide 1 to 16
minutes of voice record and playback, depending upon the sample rates chosen.
Duration
[1]
Sample
Rate
(kHz)
ISD5116
ISD5108
ISD5104
ISD5102
Typical Filter
Knee (kHz)
8.0
8 min 44 sec
4 min 22 sec
2 min 11 sec
1 min 5 sec
3.4
6.4
10 min 55 sec
5 min 27 sec
2 min 43 sec
1 min 21 sec
2.7
5.3
13 min 6 sec
6 min 33 sec
3 min 17 sec
1 min 38 sec
2.3
4.0
17 min 28 sec
8 min 44 sec
4 min 22 sec
2 min 11 sec
1.7
[1]
Minus any pages selected for digital storage
7.1.3. Flash Technology
One of the benefits of Winbond’s ChipCorder technology is the use of on-chip Flash 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 10,000 times (typically) for the digital data and
over 100,000 times (typically) for the analog messages.
A new feature has been added that allows memory space in the ISD5100 Series to be allocated to
either digital or analog storage when recorded. The fact that a section has been assigned digital or
analog data is stored in the Message Address Table by the system microcontroller when the recording
is made.
7.1.4. Microcontroller Interface
The ISD5100 Series are controlled through an I
2
C 2-wire interface. This synchronous serial port
allows commands, configurations, address data, and digital data to be loaded into the device, while
allowing status, digital data and current address information to be read back from the device. In
addition to the serial interface, two other status pins can feedback to the microcontroller for enhanced
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