參數(shù)資料
型號(hào)： IDT821064PQF
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 編解碼器
英文描述： QUAD PROGRAMMABLE PCM CODEC WITH GCI INTERFACE
中文描述： A/MU-LAW, PROGRAMMABLE CODEC, PQFP64
封裝： PLASTIC, QFP-64
文件頁(yè)數(shù)： 1/33頁(yè)
文件大?。?/td> 510K
代理商： IDT821064PQF
1
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/
m
-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
W
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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