參數(shù)資料
型號(hào)： EM91440DK
廠(chǎng)商： ELAN Microelctronics Corp .
英文描述： TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
中文描述： 音頻/脈沖開(kāi)關(guān)的撥號(hào)器與LCD接口及雙音的旋律發(fā)電機(jī)
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 175K
代理商： EM91440DK
EM91440 SERIES
AND DUAL-TONE MELODY GENERATOR
1
* This specification are subject to be changed without notice.
10.1.1997
GENERAL DESCRIPTION
The EM91440 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with
40-set memories. The EM91440 series provide necessary functions of telephone set for application in any
environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and lock functions.
The lock function is designed to inhibit toll dialing operation. Beside this, melody generator, ring detector and
SDO (Serial Data Output) functions are provided in advance version. Melody generator will output dual-tone
music in line hold duration. Ring detector can prevent illegal dialing from pocket dialer. The SDO 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, lock dialing functions.
SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
Line hold function is designed for stopping conversation temporality.
Melody generator provides music on hold function.
Lock function provides conventionality key lock and password lock operations.
Ring detector is designed to prevent illegal dialing from pocket dialer.
40-set three touch repertory memory, each one can hold data up to 16 digits.
A 32-digit LNB (last number) redial memory.
Keytone function provides rapidly keying recognition.
Handfree function provides on-hook dialing and speakerphone application.
Pause and P-T time are fixed to 3.6 seconds.
Tone duration and inter-tone pause time are fixed to 98 ms.
Using 3.579545 MHz crystal or ceramic resonator.
Package forms: PDIP, skinny.
ORDERING INFORMATION
Versions list and function outline
VERSION
EM91440A
EM91440B
EM91440C
EM91440D
Note : PDP = Pocket Dialer Prevented
LNB
√
√
√
√
KT
√
√
√
√
HOLD(music)
√
√
√
√
LOCK
√
√
√
√
HF
SDO(LCD)
PDP
√
√
√
√
√
√
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
相關(guān)PDF資料
PDF描述
EM91440A TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440AP TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440B TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440C TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440CK TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM91450 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
EM91450A 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
EM91450A/B/C/D 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer
EM91450AP 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
EM91450B 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
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