參數(shù)資料
型號： IDT821068
廠商： Integrated Device Technology, Inc.
元件分類： Codec
英文描述： OCTAL PROGRAMMABLE PCM CODEC
中文描述： 八路可編程PCM編解碼器
文件頁數(shù)： 1/45頁
文件大?。?/td> 589K
代理商： IDT821068
1
The IDT logo is a registered trademark of Integrated Device Technology, Inc
INDUSTRIAL TEMPERATURE RANGE
DECEMBER 08, 2003
2003 Integrated Device Technology, Inc.
DSC-6033/7
OCTAL PROGRAMMABLE PCM CODEC
IDT821068
FEATURES
·
8 channel CODEC with on-chip digital filters
·
Programmable A/
m
-law compressed or linear code conversion
·
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
·
Supports two programmable PCM buses and one GCI bus
·
Flexible PCM interface with up to 128 programmable time slots,
data rate from 512 kbits/s to 8.192 Mbits/s
·
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,
ringing and DTMF generation
Filter and A/D
D/A and Filter
SLIC Signaling
CH1
VIN1
VOUT1
2 Inputs
2 I/Os
3 Outputs
CH2
CH3
CH4
DSP
Core
CH6
CH7
CH8
General
Control Logic
PLL and Clock
Generation
Serial Interface
PCM/GCI Interface
MPI
INT
RESET
DR1/DD
DR2
DX1/DU
DX2
MCLK
CHCLK1
CHCLK2
CCLK
/TS
CS
CI/
DOUBLE
CO
FS
/FSC
BCLK
/DCL
TSX1 TSX2
Filter and A/D
D/A and Filter
SLIC Signaling
CH5
2 Inputs
2 I/Os
3 Outputs
VIN5
VOUT5
FUNCTIONAL BLOCK DIAGRAM
·
Programmable teletax signal generation (12 kHz or 16 kHz)
·
FSK generator
·
Two programmable chopper clocks
·
Master clock frequency selectable: 1.536 MHz, 1.544 MHz, 2.048
MHz, 3.072 MHz, 3.088 MHz, 4.096 MHz, 6.144 MHz, 6.176 MHz or
8.192 MHz
·
Advanced test capabilities
- 3 analog loopback tests
- 5 digital loopback tests
- Level metering function
·
High analog driving capability (300
AC)
·
TTL and CMOS compatible digital I/O
·
CODEC identification
·
+5 V single power supply
·
Operating temperature range: - 40°C to + 85°C
·
Package available: 128 pin PQFP
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