參數(shù)資料
型號： PEB3065
廠商： SIEMENS AG
元件分類： Codec
英文描述： Signal Processing Subscriber Line Interface Codec Filter SLICOF
中文描述： 信號處理用戶線路接口編解碼器SLICOF
文件頁數(shù)： 49/102頁
文件大?。?/td> 563K
代理商： PEB3065
PEB 3065
PEF 3065
Operating Modes
Semiconductor Group
49
01.98
6.3
After a Reset (including the Power On Reset) the SLICOFI is set to Power Denial State.
In Power Denial all functions that are not necessary are disabled to minimize power
consumption. Via the two pins
V
LINE1
and
V
LINE2
the SLICOFI is directly connected to the
a - and b - wire, while the PDN-Pin is set high (which turns off the HV-SLIC). While the
interface is fully working - including programmability of the registers with SOP- or TOP
commands and the Coefficient RAM (COP commands) the rest of the SLICOFI is turned
off except the supervision of the line. The change of the line state is reported via the
HOOK-bit in the IOM-2 Data upstream channel. To avoid spurious Offhook - informations
caused by longitudinal induction the HOOK - bit is low pass filtered (programmable with
the DUPGNK - counter in PDen state only). The HV-interface pins C1, C2 are switched
off. The voice channel Data Downstream is directly fed into the voice channel Data
Upstream. The HOOK-indication in PDen is optimized for longitudinal suppression up to
65 Vrms for the Offhook transition.
Power Denial (PDen)
6.4
In Power Down Mode the DC-Loop of the SLICOFI is fully working; the AC-Loop is still
turned off. The output voltage at the V2W pin is controlled via the IT input in such a way
that it behaves like a programmable constant current source. Current limitation is used
for detecting Offhook, too. The change of the line state is reported via the HOOK-bit in
the IOM-2 Data upstream channel. To avoid spurious Offhook-informations the
HOOK-bit is lowpass filtered (programmable with DUP-counter).
The ternary HV-interface (C1, C2) is set to Power Down mode. If Offhook is detected the
HV-interface is set to one of the active modes. This can be avoided by setting
PDADIS = 1 (SCR3-4). Then the HV-SLIC interface is set to Power Down anyway.
The longitudinal current supervision via the IL pin is activated in this mode.
The voice channel Data Downstream is directly fed into the voice channel Data
Upstream.
Together with the bits Hi-a and Hi-b of the configuration register 1 (SCR1-2 and SCR1-3)
simple handling of Ground Start function is possible.
Power Down (PDown)
f
TTX
SOREV
16
kHz
Teletax Generator frequency; but note that the
SLICOFI is set to TTXNO = 1 with reset for Metering
with Polarity Reversal: Hard Reversal is used.
Tone Generator 1 and AC-levelmeter Bandpass
Tone Generator 2 (
+
2 dB compared to TG1)
TG1
TG2
1008
2000
Hz
Hz
Table 11
Parameter
AC
(cont’d)
Values Unit
Test Condition/Result
相關(guān)PDF資料
PDF描述
PEB3065NV3.2 Signal Processing Subscriber Line Interface Codec Filter SLICOF
PEF3065NV3.2 Signal Processing Subscriber Line Interface Codec Filter SLICOF
PEB3086 ISDN SUBSCRIBER ACCESS CONTROLLER
PEB31665 NMultichannel Subscriber Line Interface Concept MuSLIC
PEB3465 NMultichannel Subscriber Line Interface Concept MuSLIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PEB3065NV3.2 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Signal Processing Subscriber Line Interface Codec Filter SLICOF
PEB3065-NV3.2 制造商:Infineon Technologies AG 功能描述:A/MU-LAW, PCM CODEC, 44 Pin Plastic PLCC 制造商:Siemens 功能描述:A/MU-LAW, PCM CODEC, 44 Pin Plastic PLCC
PEB3065NV3.2SLICOFI 制造商:Rochester Electronics LLC 功能描述:- Bulk
PEB3065NV3.2-SLICOFI 制造商:Rochester Electronics LLC 功能描述:- Bulk
PEB3081 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3.3 V S-Bus Interface Circuit eXtended
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