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參數資料
| 型號： | EM91240A |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| 中文描述： | 音頻/脈沖開關的撥號器與LCD接口 |
| 文件頁數： | 4/20頁 |
| 文件大?。?/td> | 145K |
| 代理商： | EM91240A |
EM91240 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 EM91240 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 EM91240 series to support 32 digits capacity buffer for second redial,
相關PDF資料 |
PDF描述 |
|---|---|
| EM91240AP | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240B | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240BP | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240C | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240CK | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| EM91240BP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240C | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
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