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首頁(yè)>NT91214>規(guī)格書(shū)詳情

NT91214中文資料etc未分類(lèi)制造商數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

NT91214
廠商型號(hào)

NT91214

功能描述

Tone/Pulse Dialer

文件大小

212.77 Kbytes

頁(yè)面數(shù)量

23 頁(yè)

生產(chǎn)廠商

ETC1 List of Unclassifed Manufacturers

中文名稱(chēng)

etc未分類(lèi)制造商 未分類(lèi)制造商

數(shù)據(jù)手冊(cè)

下載地址一下載地址二

更新時(shí)間

2025-8-7 20:00:00

人工找貨

NT91214價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)人工找貨

NT91214規(guī)格書(shū)詳情

[Novatek]

General Description

The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing. A standard 4 x 4 matrix keyboard can be used to support either DP or DTMF modes.

特性 Features

■ One touch redial operation

■ Tone/Pulse switchable

■ 32 digit capacity for redialing

■ Automatic mixed redialing (last number redial) of pulse to DTMF with multiple automatic access pauses

■ PABX auto-pause is 2.2 seconds

■ DTMF Timing:

Manual dialing: minimum duration for bursts and pauses

Redialing: calibrated timing

■ Hands-Free control function

■ Wide operating voltage range: 2V to 5.5V

■ Key-in beep tone output

■ Digits dialed manually after redialing are cascadable and stored as additional digits for the next redialing

■ Uses inexpensive ceramic resonator (3.58 MHz)

■ Two versions for different telephone systems

■ Built-in power up reset circuit

■ Four extra function keys: flash, pause, redial and DP or DTMF mixed dialing

■ 4 x 4 (or 2 x 8) keyboard can be used

■ Low standby current

產(chǎn)品屬性

  • 型號(hào):

    NT91214

  • 功能描述:

    Tone/Pulse Dialer

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