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參數(shù)資料
| 型號(hào)： | APR9301-V2 |
| 廠商： | Aplus Integrated Circuits Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:43; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| 中文描述： | 單芯片語音記錄 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 493K |
| 代理商： | APR9301-V2 |
Page 2
Functional Block Diagram
Figure 2 shows the functional block diagram for the APR9301-V2
Figure 2 APR93 -V2 Functional Block Diagram
Sample Application
Figure 3 shows the diagram for a single, 20-second message
recording and playback application using theAPR9301
device. When pins are connected as shown in this example,
the operating modes are as follows:
Record Mode (Level-Activated)
A single voice message of up to 20 seconds can be recorded.
The /LED pin will go low during the actual recording process
to provide a visual indication if an LED light is connected to
this pin. The chip is in record mode as long as the /RecL pin
stays low (level-activated). If the message lasts longer than
20 seconds, recording will terminate automatically after the
last available memory cell is written. If the message is shorter
than 20 seconds, the recording operation will stop when the
the /RecL pin goes high. The speaker driver is automatically
tristated during the recording operation.
Messages of up to 30 seconds can be recorded by using
different OscR resistor values (see Table 1).
Playback Mode (Edge-Activated)
Playback always starts from the beginning of the message.
The chip is in playback mode after the /PlayE pin pulses low
(edge-activated). Playback will stop immediately when the
/PlayE pin pulses low a second time. If the newly recorded
message is shorter than the previously recorded message,
the remaining portion of the previous message will not be
played after the new message is played back. The input pre-
amplifier, AGC, and main amplifier circuits are disabled
during playback.
Standby Mode (/CE = "0")
The chip will automatically return to the standby state after
recording or playback operation is completed.
Power Down Mode (/CE = "1")
The chip is always in standby state. No recording or playback
is allowed. Current consumption is typically less than 1
u
A.
AnaIn
Power Supplies
Amp
AGC
MicRef
MicIn
OscR
SP+
SP-
/LED
Amp
V
SSD
V
SSA
Automatic Gain
Control (AGC)
Pre-
Amp
V
CCD
V
CCA
/RecL /PlayE
Sample & Hold
Circuit
Switched
Capacitor Filter
Analog Write &
Read Circuits
Non-Volatile
Analog Storage
Memory Array
Device Control
Switched
Capacitor Filter
AnaOut
Internal
Oscillator
APLUS APR9301-V2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| APR9301-V2-1 | 制造商:APLUS 制造商全稱:APLUS 功能描述:SINGLE-CHIP VOICE RECORDING & PLAYBACK DEVICE FOR SINGLE 20 TO 30 SECOND MESSAGE |
| APR9600 | 制造商:APLUS 制造商全稱:APLUS 功能描述:SINGLE-CHIP VOICE RECORDING & PLAYBACK DEVICE FOR SINGLE 60 SECOND MESSAGE |
| APR-ABK | 功能描述:烙鐵 Action Button Kit RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
| APR-ABS | 功能描述:烙鐵 Arm Brake Solenoid RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
| APR-ACPCB | 功能描述:烙鐵 AC Power PCB RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
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