參數(shù)資料
型號(hào)： PEB24901H
英文描述： LTC3026 Evaluation Kit
中文描述： ？四整體數(shù)位服務(wù)網(wǎng)路Echocancellation電路數(shù)字前端4B3T線路碼的終結(jié)？
文件頁數(shù)： 11/73頁
文件大小： 1618K
代理商： PEB24901H
PEB 2466
PEF 2466
Overview
Hardware Reference Manual
2
2001-02-20
1
Overview
The four-channel codec filter PEB 2466 SICOFI
4-μC is built around a central DSP-core
which provides independent filter structures for all channels. Its analog I/O pins are used
to connect to external subscriber line interface circuits (SLICs). Their signals are
internally routed to the analog-to-digital and digital-to-analog converters (ADC, DAC).
The signaling pins carry line status and control information to and from the SLICs. Two
programmable clock outputs are available. The SICOFI
4-μC connects to the digital
switching and transmission system through two PCM Highways. The digitized voice
band signals are available as A-Law or μ-Law codes within selectable 8-bit time slots.
The SICOFI
4-μC modes, features, and filter characteristics are programmed through a
serial interface to a microcontroller. The access mechanism is very simple, and can be
implemented with as few as three I/O ports. The PEB 2466 is available for standard
temperature range applications (0
°
C to +70
°
C); the PEF 2466 is available for extended
temperature range applications (-40
°
C to +85
°
C).
Figure 1
SICOFI
4-μC Architecture
SLIC 1
ADC - DAC
Signaling
SLIC 2
ADC - DAC
Signaling
SLIC 3
ADC - DAC
Signaling
SLIC 4
ADC - DAC
Signaling
Highway A
Highway B
Status and Control
Registers
CRAM
PLL,
Clocking
Serial Microcontroller Interface
t/r
t/r
t/r
t/r
PEB 2466
SICOFI4-μC
Digital Filters
Channel 1
Digital Filters
Channel 2
Digital Filters
Channel 3
Digital Filters
Channel 4
DSP Core
P
2466_201
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PEF2426 Analog IC
PEF2445N ?Multipoint Switching and Conferencing Unit - Attenuation?
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PEF2466-H A-Law/u-Law CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PEB24901HV11 制造商:Siemens 功能描述:
PEB24902 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Quad ISDN Echocancellation Circuit Analogue Front End Quad IEC AFE
PEB24902/11 制造商:PULSE 制造商全稱:Pulse A Technitrol Company 功能描述:TELECOMMUNICATIONS PRODUCTS
PEB24902H 制造商:Rochester Electronics LLC 功能描述:- Bulk
PEB24902-HV1.1 制造商:Siemens 功能描述:Part Number Only
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