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IDT821064 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT821064
Description  QUAD PROGRAMMABLE PCM CODEC WITH GCI INTERFACE
Download  33 Pages
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT821064 Datasheet(HTML) 1 Page - Integrated Device Technology

 
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MARCH 14, 2003
DSC-6036/5
© 2003 Integrated Device Technology, Inc.
QUAD PROGRAMMABLE PCM CODEC
WITH GCI INTERFACE
IDT821064
The IDT logo is a registered trademark of Integrated Device Technology, Inc
INDUSTRIAL TEMPERATURE RANGE
FEATURES
4 channel CODEC with on-chip digital filters
Software selectable compressed (A/
µ-law) or linear code con-
version
Meets ITU-T G.711 - G.714 requirements
Programmable digital filter adapting to system demands:
-
AC impedance matching
- Transhybrid balance
- Frequency response correction
- Gain setting
GCI (IOM-2) control interface
Broadcast mode for coefficient setting
7 SLIC signaling pins (including 2 debounced pins) per channel
Fast hardware ring trip mechanism
Two programmable tone generators per channel for testing,
FUNCTIONAL BLOCK DIAGRAM
ringing and DTMF generation
FSK generator
Two programmable chopper clocks
Master clock frequency selectable: 2.048 MHz or 4.096 MHz
Advanced test capabilities
-
3 analog loop back tests
- 5 digital loop back tests
- Level metering function
High analog driving capability (300
Ω AC )
TTL and CMOS compatible digital I/O
CODEC identification
+5 V single power supply
Low power consumption
Operating temperature range: -40 °C to +85 °C
Package available: 64 pin PQFP
Filter and A/D
D/A and Filter
SLIC Signaling
CH1
VIN1
VOUT1
2 Inputs
3 I/Os
2 Outputs
CH2
DSP
CORE
CH4
General Control
Logic
PLL and Clock
Generation
PCM/GCI Interface
RESET
DD
DU
MCLK
CHCLK1
CHCLK2
FSC
DCL
Filter and A/D
D/A and Filter
SLIC Signaling
CH3
2 Inputs
3 I/Os
2 Outputs
VIN3
VOUT3
S1
S0


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