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參數(shù)資料
| 型號： | L3092 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Subscriber Line Interface(用于短波/超短波通信系統(tǒng)的用戶線接口) |
| 中文描述： | 用戶線接口（用于短波/超短波通信系統(tǒng)的用戶線接口） |
| 文件頁數(shù)： | 26/32頁 |
| 文件大?。?/td> | 412K |
| 代理商： | L3092 |
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APPENDIXB
ADDITIONAL OPERATINGFEATURES
Two further operating modes are provided on the
L3092, boosted battery and ring pause. Both of
these Modes are accessed by appllying a high
impedance on inputs AUT and or RING of the
digital interface.
1.BoostedBattery(BB)
This operatingmode is equivalent to conversation
mode with respect to AC and signaling functions
but with the following changes to the DC charac-
teristics:
a) Current limiting value fixed at 25mA.
b) Characteristic in the resistive feeding re-
gion corresponds to a battery voltage
equal to (-5 + |VB
-
| + VB
+
)Volt in series
with the same feeding resistor utilized in
the
DC
characteristic of
mode.
BB mode is typically used to feed long lines
(20mA/4Kohm) and to implement special func-
tions such as message waiting where high volt-
age signalsare required.
conversation
Further information about this opersating mode
may be found by referring to the L3000/L3030
datasheet.
2.Ringing Pause Mode
During Ring Pause - Mode the SLIC is always in
ringing mode but the AC ringing signal is not in-
jected into the line. Thismode allows to avoid any
common mode voltage variation of TIP and RING
wire during the transition bteween Ringing Burst
and Ringing Pause. This feature is used in appli-
cation where it is mandatory to avoid perturba-
tions on adjacent lines during ringing injection.
For example when in the same system analog
lines are used both for speech and modem trans-
mission.
The following table shows all operating modes of
L3000/L3092SLIC KIT. Boosted Battery or Ring-
ing Pause Modes are selected by applyinga high
impedance (HI) to inputpins RNG and/orAUT.
Included also in this table are the operating
modes to which the SLIC defaults automatically
during ringing mode when OFF HOOK is de-
tected.
CONTROL INTERFACE BETWEEN THE SLIC AND THE CARD CONTROLLER
Operating Mode
Input Pin
PWON
1
1
1
1
0
0
0
0
Output Pin
RNG
0
0
0
0
0
1
1
0
AUT
1
0
0
HI
0
1
0
1
LIM
X
1
0
X
X
X
X
X
ONHK
GDK
Conversation 25mA
Conversation 40mA
Conversation 60mA
Boosted Battery 25mA
Stand-by
Automatic Stand-by
Power Down
Test Mode
1 on-hook
0 off-hook
1 Groundkey not
detected
0 Ground key detected
Disable
C1 Comparator Output
1 on-hook
0 off-hook
Disable
0 Limiting Region
1 Resistive Region
Ringing Inj. (CVS 25mA)
Ringing Inj. (CVS 40mA)
Ringing Inj. (CVS 60mA)
Ringing Inj. (BB 25mA)
Ringing Pause (CVS
25mA)
Ringing Pause (CVS
40mA)
Ringing Pause (CVS
60mA)
Ringing Pause (BB 25mA)
1
1
1
1
HI
HI
HI
1
1
1
1
1
1
1
1
0
0
HI
1
0
0
x
1
0
X
X
1
0
1 on-hook
0 off-hook
Disable
HI
1
HI
X
NB:
HI = High Impedance
BB = Boosted Battery
L3000N - L3092
26/32
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| L3092FN | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SLIC KIT OPTIMIZED FOR APPLICATIONS WITH BOTH FIRST AND SECOND GENERATION COMBOS |
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| L3092N | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SLIC KIT OPTIMIZED FOR APPLICATIONS WITH BOTH FIRST AND SECOND GENERATION COMBOS |
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| L3092TFN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm Interface， Other/Special/Misc |
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