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IDT82V1054A Datasheet(PDF) 2 Page - Integrated Device Technology

Part No. IDT82V1054A
Description  QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT82V1054A Datasheet(HTML) 2 Page - Integrated Device Technology

 
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IDT82V1054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE
INDUSTRIAL TEMPERATURE
DESCRIPTION
The IDT82V1054A is a feature rich, single-chip, programmable 4-
channel PCM CODEC with on-chip filters. Besides the µ-Law/A-Law
companding and linear coding/decoding (14 effective bits + 2 extra sign
bits), the IDT82V1054A also provides 2 programmable tone generators
per channel (which can generate ring signals) and 2 programmable
chopper clocks for SLICs.
The digital filters in the IDT82V1054A provide necessary transmit
and receive filtering for voice telephone circuits to interface with time-
division multiplexed systems. An integrated programmable DSP realizes
AC impedance matching, transhybrid balance, frequency response
correction and gain adjustment functions. The IDT82V1054A supports 2
PCM buses with programmable sampling edge, which allows an extra
delay of up to 7 clocks. Once the delay is determined, it is effective to all
four channels of the IDT82V1054A. The device also provides 7 signaling
pins per channel for SLICs.
The IDT82V1054A is programmed via a Microprocessor Interface
(MPI). Two PCM buses are provided to transfer the compressed or
linear PCM data.
The device offers strong test capability with several analog/digital
loopbacks and level metering function. It brings convenience to system
maintenance and diagnosis.
A unique feature of “Hardware Ring Trip” is implemented in the
IDT82V1054A. When an off-hook signal is detected, the IDT82V1054A
will reverse an output pin to stop the ringing signal immediately.
The IDT82V1054A can be used in digital telecommunication
applications such as Central Office Switch, PBX, DLC and Integrated
Access Devices (IADs), i.e. VoIP and VoDSL.
PIN CONFIGURATION
VIN1
GNDA1
VOUT1
VDDA12
VOUT2
GNDA2
VIN2
CNF
VDDB
VIN3
GNDA3
VOUT3
VDDA34
VOUT4
GNDA4
VIN4
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
BCLK
FS
DR2
DX2
TSX2
DR1
DX1
TSX1
VDDD
RESET
MCLK
GNDD
CO
CI
CCLK
CS
IDT82V1054A
64 Pin TQFP


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