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参数资料
| 型号： | ISD2575E |
| 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： | 8/28页 |
| 文件大小： | 213K |
| 代理商： | ISD2575E |
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Product Data Sheets
ISD2500 Series
1–86
-
1
Playback only, and is typically used with the M4
Operational Mode.
M1 — Delete EOM Markers
The M1 Operational Mode allows sequentially
recorded messages to be combined into a single
message with only one EOM marker set at the end
of the final message. When this operational mode
is configured, messages recorded sequentially are
played back as one continuous message.
M2 — Unused
When operational modes are selected, the M2 pin
should be LOW.
M3 — Message Looping
The M3 Operational Mode allows for the auto-
matic, continuously repeated playback of the
message located at the beginning of the address
space. A message
CAN
completely fill the ISD2500
device and will loop from beginning to end without
OVF going LOW.
M4 — Consecutive Addressing
During normal operations, the address pointer will
reset when a message is played through to an
EOM marker. The M4 Operational Mode inhibits
the address pointer reset on EOM, allowing mes-
sages to be played back consecutively.
M5 — CE-Level Activated
The default mode for ISD2500 devices is for CE to
be edge-activated on Playback and level-activated
on Record. The M5 Operational Mode causes the
CE pin to be interpreted as level-activated as
opposed to edge-activated during Playback. This
is specifically useful for terminating Playback oper-
ations using the CE signal.
In this mode, CE LOW begins a Playback cycle, at
the beginning of the device memory. The Playback
cycle continues as long as CE is held LOW. When
CE goes HIGH, Playback will immediately end. A
new CE LOW will restart the message from the
beginning unless M4 is also HIGH.
M6 — Push-Button Mode
The ISD2500 Series of devices contain a Push-
Button operational mode. The Push-Button mode
is used primarily in very low-cost applications and
is designed to minimize external circuitry and com-
ponents, thereby reducing system cost. In order to
configure the device in Push-Button operational
mode, the two most significant address bits must
be HIGH, and the M6 mode pin must also be
HIGH. A device in this mode always powers down
at the end of each Playback or Record
cycle after CE goes HIGH.
When this operational mode is implemented, sev-
eral of the pins on the device have alternate
functionality:
CE Pin (START/PAUSE)
In Push-Button Operational Mode, CE acts as a
LOW-going pulse-activated START/PAUSE sig-
nal. If no operation is currently in progress, a LOW-
going pulse on this signal will initiate a Playback or
a Record cycle according to the level on the P/R
pin. A subsequent pulse on the CE pin, before an
End-Of-Message is reached in Playback or an
overflow condition occurs, will cause the device to
pause. The address counter is not reset, and
another CE pulse will cause the device to continue
the operation from the place where it was paused.
PD Pin (STOP/RESET)
In push-button Operational Mode, PD acts as a
HIGH-going pulse-activated STOP/RESET signal.
When a Playback or Record cycle is in progress
and a HIGH-going pulse is observed on PD, the
Pin Name
Alternate Functionality in
Push-Button Mode
CE
Start/Pause Push-Button
(LOW pulse-activated)
PD
Stop/Reset Push-Button
(HIGH pulse activated)
EOM
Active-HIGH Run Indicator
*
Advance information: ISD2532/40/48/64 devices.
相关PDF资料 |
PDF描述 |
|---|---|
| ISD2575EI | Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD33090E | Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
| ISD33060 | Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
| ISD33060E | Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
| ISD33060ED | Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISD2575EI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations |
| ISD2575ER | 功能描述:IC VOICE REC/PLAY 75-SEC 28-TSOP 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 |
| ISD2575G | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| ISD2575GI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations |
| ISD2575P | 功能描述:IC MEM VOICE REC/PLAY 75S 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 |
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