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参数资料
| 型号： | ISD2590E |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| 中文描述： | 单芯片语音记录/播放设备32 - ，40 - ，48 - ，64 - ，60 - ，75,90 - ，120秒持续时间 |
| 文件页数： | 9/28页 |
| 文件大小： | 213K |
| 代理商： | ISD2590E |
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Product Data Sheets
ISD2500 Series
1–87
1
current cycle is terminated and the address pointer
is reset to address 0, the beginning of the message
space.
EOM Pin (RUN)
In Push-Button Operational Mode, EOM becomes
an active-HIGH RUN signal which can be used to
drive an LED or other external device. It is HIGH
whenever a Record or Playback operation is in
progress.
Recording in Push-Button Mode
1.
The PD pin should be LOW, usually using a
pulldown resistor.
2.
The P/R pin is taken LOW.
3.
The CE pin is pulsed LOW. Recording
starts, EOM goes HIGH to indicate an oper-
ation in progress.
4.
The CE pin is pulsed LOW. Recording
pauses, EOM goes back LOW. The internal
address pointers are not cleared, but an
EOM marker is stored in memory to point to
the message end. The P/R pin may be
taken HIGH at this time. Any subsequent
CE would start a playback at address 0.
5.
The CE pin is pulsed LOW. Recording
starts at the next address after the previous
set EOM marker. EOM goes back HIGH.
NOTE
If the M1 operational mode pin is also
HIGH, the just previously written EOM bit
is erased, and recording starts at that
address.)
6.
When the recording sequences are fin-
ished, the final CE pulse LOW will end the
last Record cycle, leaving a set EOM
marker at the message end. Recording may
also be terminated by a HIGH level on PD,
which will leave a set EOM marker.
Playback in Push-Button Mode
1.
The PD pin should be LOW.
2.
The P/R pin is taken HIGH.
3.
The CE pin is pulsed LOW. Playback starts,
EOM goes HIGH to indicate an operation in
progress.
4.
If the CE pin is pulsed LOW or an EOM
marker is encountered during an operation,
the part will pause. The internal address
pointers are not cleared, and EOM goes
back LOW. The P/R pin may be changed at
this time. A subsequent Record operation
would not reset the address pointers and
the recording would begin where Playback
ended.
5.
CE is again pulsed LOW. Playback starts
where it left off, with EOM going HIGH to
indicate an operation in progress.
6.
Playback continues as in steps 4 and 5 until
PD is pulsed HIGH or overflow occurs.
7.
If in overflow, pulling CE LOW will reset the
address pointer and start Playback from the
beginning. After a PD pulse, the part is reset
to address 0.
NOTE
Push-button mode can be used in con-
junction with modes M0, M1, and M3.
Good Audio Design Practices
ISD products are very high-quality single-chip
voice Recording and Playback systems. To ensure
the highest quality voice reproduction, it is impor-
tant that good audio design practices on layout and
power supply decoupling be followed. See the ISD
Application Notes and Design Manualin this book
for details.
*
Advance information: ISD2532/40/48/64 devices.
相关PDF资料 |
PDF描述 |
|---|---|
| ISD2590T | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2590X | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2500 | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2560E | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2560EI | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISD2590ER | 功能描述:IC VOICE REC/PLAY 90-SEC 28-PDIP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD2500 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD2590G | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| ISD2590P | 功能描述:IC MEM VOICE REC/PLAY 90S 28DIP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD2500 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD2590PRODUCTS | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| ISD2590PY | 功能描述:IC MEM VOICE REC/PLAY 90S 28-DIP RoHS:是 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD2500 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
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