參數(shù)資料
型號: EM91221
廠商: ELAN Microelctronics Corp .
英文描述: Tone/Pulse Switchable Dialer with LCD Interface(帶LCD接口,低工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號器)
中文描述: 音頻/脈沖切換撥號器與LCD接口(帶液晶顯示接口,低工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號器)
文件頁數(shù): 1/20頁
文件大?。?/td> 138K
代理商: EM91221
EM91221 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
1
* This specification are subject to be changed without notice.
10.1.1997
GENERAL DESCRIPTION
The EM91221 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with
20 sets memories. The EM91221 series provides necessary functions of telephone set for application in any
environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone , mute and pulse
mute functions. Beside this, SDO (Serial Data Output) functions is provided in advance version that is designed
to drive LCD driver and voice synthesizer. In this application, the dialing numbers can be displayed on LCD
screen with EM32100 ( or EM32116 ).
FEATURES
Tone/Pulse switchable.
Wide operating voltage from 2.0 V to 5.5 V.
Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.
Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate,
M/B ratio, Flash time, Pause time, P-T wait time and keyboard type.
SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
Handfree function provides on-hook dialing and speakerphone application.
20-set one touch or (10-set one touch and 10-set two touch) repertory memory, each one can store data up
to 16 digits.
A 32-digit LNB (last number) redial memory.
A 32-digit SAVE redial memory.
Keytone function provides rapidly keying recognition.
Pulse mute function supports pulse dialing application.
Using 3.579545 MHz crystal or ceramic resonator.
Package forms: PDIP, skinny.
ORDERING INFORMATION
Versions list
VERSION
EM91221A
EM91221B
EM91221C
LNB
KT
SAVE
HF
SDO(LCD)
PMUTE
相關(guān)PDF資料
PDF描述
EM91240 TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240A TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240AP TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240B TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240BP TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM91240 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240A 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240A/B/C 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer
EM91240AP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91240B 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE