參數(shù)資料
型號(hào)： EM91220
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(hào)器)
中文描述： 音頻/脈沖切換撥號(hào)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(hào)器）
文件頁(yè)數(shù)： 4/20頁(yè)
文件大?。?/td> 137K
代理商： EM91220
EM91220 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
4
* This specification are subject to be changed without notice.
10.1.1997
FUNCTION DESCRIPTIONS
Dialing signal selection
The EM91220 series incorporated a special keyboard scanning function that is connecting a resistor (typically
is 560 Kohms) on keyboard scan pin to select many telephone specifications. The specifications are described
as following :
a. Mode
ROW1
R-Vdd
NR
R-Vss
c. Flash time
ROW3
NR
NR
R-Vss
R-Vss
e. Pause time and P-T wait time
COL2
Tp (sec)
NR
3.6
R-Vss
2.0
b. M/B ratio
ROW2
NR
R-Vss
Mode
20 PPS
Tone
10 PPS
MBR (%)
40:60
33:66
d. DTMF signal
COL1
R-Vdd
NR
R-Vss
ROW4
NR
R-Vss
NR
R-Vss
Tf (ms)
600
100
80
300
Td (ms)
90
98
83
Titp (ms)
90
98
83
f. Keyboard operate type
COL3
NR
R-Vss
Tpt (ms)
3.6
2.0
Type
A
B
Normal dialing
Directly keying digital key on keyboard which number can be dialing output and stored in LNB memory
automatically. Operating procedure described as follow :
To select Pulse or Tone mode.
Off-hook or turn on HF function.
Keying d1, d2, .. , dn. The “d” expressed digital keypad that included 1~9, *, 0, #, P, and P
→
T keys. The “n”
expressed unlimited.
The numbers d1, d2, .. , dn will be dialed out in Pulse or Tone mode as selection.
LNB redial memory
Storing:
In normal dialing mode, every digital key was entry which number will be stored in LNB memory
automatically. If entry digits are more than 32 digits, the redial function of LNB memory will be disabled.
Otherwise, these numbers stored in LNB memory can be redial output.
Redialing:
After normal dialing, directly keying
F
key (or On-Off hook once) and keying
RD
key on keyboard. The
numbers that are stored into LNB memory will be dialed output.
SAVE redial memory
The SAVE meomry is designed in EM91220 series to support 32 digits capacity buffer for second redial,
pager, Memory and other system applications.
相關(guān)PDF資料
PDF描述
EM91221 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(hào)器)
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM91220A 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91220A/B/C 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer
EM91220AP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91220B 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91220BP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*