IDT821054APFG

IDT821054APFG Datasheet

IDT821054A

Part	Datasheet
IDT821054APFG	IDT821054APFG (pdf)

Related Parts	Information
IDT821054APFG8	IDT821054APFG8
IDT821054APF8	IDT821054APF8
IDT821054APF	IDT821054APF

PDF Datasheet Preview
QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE IDT821054A • 4-channel CODEC with on-chip digital filters • Software selectable A/µ-law, linear code conversion • Meets ITU-T G.711 - G.714 requirements • Programmable digital filters adapting to systemdemands: - AC impedance matching - Transhybrid balance - Frequency response correction - Gain setting • Supports two programmable PCM buses • Flexible PCM interface with up to 128 programmable time slots, data rate from 512 kbits/s to Mbits/s • MPI control interface • Broadcast mode for coefficient setting • 7 SLIC signaling pins including 2 debounced pins per channel • Fast hardware ring trip mechanism • 2 programmable tone generators per channel for testing, ringing and DTMF generation • Two programmable chopper clocks • Master clock frequency selectable MHz, MHz, MHz, MHz, MHz, MHz, MHz, MHz or MHz • Advanced test capabilities - 3 analog loopback tests - 5 digital loopback tests - Level metering function • High analog driving capability 300 AC • TTL/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 TQFP FUNCTIONAL BLOCK DIAGRAM VIN1 VOUT1 2 Inputs 3 I/Os 2 Outputs MCLK CHCLK1 CHCLK2 Filter and A/D/A and Filter SLIC Signaling DSP Core Filter and A/D/A and Filter SLIC Signaling PLL and Clock Generation General Control Logic MPI Interface PCM Interface VIN3 VOUT3 2 Inputs 3 I/Os 2 Outputs DR1 DR2 DX1 DX2 RESET INT12 INT34 CCLK CS CI CO FS BCLK TSX1 TSX2 The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE Integrated Device Technology, Inc. DECEMBER 08, 2003 DSC-6224/3 IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE INDUSTRIAL TEMPERATURE The IDT821054A is a feature rich, single-chip, programmable 4channel 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 IDT821054A 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 IDT821054A 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 IDT821054A 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 IDT821054A. The device also provides 7 signaling pins per channel for SLICs. The IDT821054A 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. The IDT821054A 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 CHCLK1 INT12 10 Ordering Information IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE INDUSTRIAL TEMPERATURE LIST OF FIGURES Figure - 1 Figure - 2 Figure - 3 Figure - 4 Figure - 5 Figure - 6 Figure - 7 Figure - 8 Figure - 9 Figure - 10 Figure - 11 An Example of the MPI Interface Write Operation 9 An Example of the MPI Interface Read Operation ID = 9 Sampling Edge Selection 10 Signal Flow for Each Channel 11 Debounce Filter 13 Clock 37 MPI Input Timing 38 MPI Output Timing 38 Transmit and Receive 39 Typical Frame Sync Timing 2 MHz Operation 39 Coe-RAM 40 IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE INDUSTRIAL TEMPERATURE Table - 1 Table - 2 Table - 3 Table - 4 LIST OF TABLES Consecutive Adjacent Global Registers GREG Mapping Local Registers LREG Coe-RAM Address IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE 1 PIN DESCRIPTION INDUSTRIAL TEMPERATURE Name GNDA1 GNDA2 GNDA3 GNDA4 GNDD VDDA12 VDDA34 VDDD VDDB VIN1-4 VOUT1-4 SI1_ 1-4 SI2_ 1-4 SB1_ 1-4 SB2_ 1-4 SB3_ 1-4 SO1_ 1-4 SO2_ 1-4 BCLK Type Pin Number Ground 50 54 Analog Ground. 59 All ground pins should be connected together. 63 Ground Digital Ground. All digital signals are referred to this pin. Power 52 61 +5 V Analog Power Supply. These pins should be connected to ground via a µF capacitor. All power supply pins should be connected together. Power 24 +5 V Digital Power Supply. Power +5 V Analog Power Supply. 57 This pin should be connected to ground via a µF capacitor. All power supply pins should be connected together. Capacitor Noise Filter. This pin should be connected to ground via a µF capacitor. Analog Voice Inputs of Channel These pins should be connected to the corresponding SLIC capacitor. 53, 60, Voice Frequency Receiver These pins can drive 300 Outputs AC load. 10 ORDERING INFORMATION Dev ice Ty pe XX Package Process/ Temperature Range INDUSTRIAL TEMPERATURE Blank Industrial -40 °C to +85 °C Thin Quad Flat Pack TQFP, PN64 821054A Quad Programmable PCM CODEC IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE INDUSTRIAL TEMPERATURE DATA SHEET DOCUMENT HISTORY 01/10/2003 07/28/2003 12/08/2003 pgs. 1, 2, 10, 19, 28, 35, 36, 41 pgs. 13, 24, 30, 32, 34 pgs. 1, 11, 34 CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 for SALES 800-345-7015 or 408-727-6116 fax 408-492-8674 for Tech Support email phone 408-330-1552

PDF Datasheet Preview

QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE

IDT821054A
• 4-channel CODEC with on-chip digital filters
• Software selectable A/µ-law, linear code conversion
• Meets ITU-T G.711 - G.714 requirements
• Programmable digital filters adapting to systemdemands:
- AC impedance matching - Transhybrid balance - Frequency response correction - Gain setting
• Supports two programmable PCM buses
• Flexible PCM interface with up to 128 programmable time slots, data rate from 512 kbits/s to Mbits/s
• MPI control interface
• Broadcast mode for coefficient setting
• 7 SLIC signaling pins including 2 debounced pins per channel
• Fast hardware ring trip mechanism
• 2 programmable tone generators per channel for testing, ringing and DTMF generation
• Two programmable chopper clocks
• Master clock frequency selectable MHz, MHz,

MHz, MHz, MHz, MHz, MHz, MHz or MHz
• Advanced test capabilities - 3 analog loopback tests - 5 digital loopback tests - Level metering function
• High analog driving capability 300 AC
• TTL/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 TQFP

FUNCTIONAL BLOCK DIAGRAM

VIN1

VOUT1 2 Inputs
3 I/Os 2 Outputs

MCLK CHCLK1 CHCLK2

Filter and A/D/A and Filter

SLIC Signaling

DSP Core

Filter and A/D/A and Filter

SLIC Signaling

PLL and Clock Generation

General Control Logic

MPI Interface

PCM Interface

VIN3

VOUT3 2 Inputs 3 I/Os 2 Outputs

DR1 DR2 DX1 DX2

RESET INT12 INT34 CCLK CS CI CO FS BCLK TSX1 TSX2

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

INDUSTRIAL TEMPERATURE RANGE

Integrated Device Technology, Inc.

DECEMBER 08, 2003

DSC-6224/3

IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE

INDUSTRIAL TEMPERATURE

The IDT821054A is a feature rich, single-chip, programmable 4channel 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 IDT821054A 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 IDT821054A 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 IDT821054A 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 IDT821054A. The device also provides 7 signaling pins per channel for SLICs.

The IDT821054A 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.

The IDT821054A 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

CHCLK1

INT12
10 Ordering Information

IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE

INDUSTRIAL TEMPERATURE

LIST OF FIGURES

Figure - 1 Figure - 2 Figure - 3 Figure - 4 Figure - 5 Figure - 6 Figure - 7 Figure - 8 Figure - 9 Figure - 10 Figure - 11

An Example of the MPI Interface Write Operation 9 An Example of the MPI Interface Read Operation ID = 9 Sampling Edge Selection 10 Signal Flow for Each Channel 11 Debounce Filter 13 Clock 37 MPI Input Timing 38 MPI Output Timing 38 Transmit and Receive 39 Typical Frame Sync Timing 2 MHz Operation 39 Coe-RAM 40

IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE

INDUSTRIAL TEMPERATURE

Table - 1 Table - 2 Table - 3 Table - 4

LIST OF TABLES

Consecutive Adjacent Global Registers GREG Mapping Local Registers LREG Coe-RAM Address

IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE
1 PIN DESCRIPTION

INDUSTRIAL TEMPERATURE

Name GNDA1 GNDA2 GNDA3 GNDA4 GNDD

VDDA12 VDDA34 VDDD

VDDB

VIN1-4

VOUT1-4 SI1_ 1-4 SI2_ 1-4 SB1_ 1-4 SB2_ 1-4 SB3_ 1-4 SO1_ 1-4 SO2_ 1-4

BCLK

Type Pin Number

Ground
50 54 Analog Ground. 59 All ground pins should be connected together. 63

Ground

Digital Ground. All digital signals are referred to this pin.

Power
52 61
+5 V Analog Power Supply. These pins should be connected to ground via a µF capacitor. All power supply pins should be connected together.

Power
24 +5 V Digital Power Supply.

Power
+5 V Analog Power Supply. 57 This pin should be connected to ground via a µF capacitor. All power supply pins should be connected
together.

Capacitor Noise Filter. This pin should be connected to ground via a µF capacitor.

Analog Voice Inputs of Channel These pins should be connected to the
corresponding

SLIC
capacitor.
53, 60,

Voice Frequency Receiver These pins can drive 300

Outputs AC load.
10 ORDERING INFORMATION

Dev ice Ty pe

XX Package

Process/ Temperature

Range

INDUSTRIAL TEMPERATURE

Blank Industrial -40 °C to +85 °C

Thin Quad Flat Pack TQFP, PN64
821054A Quad Programmable PCM CODEC

IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE

INDUSTRIAL TEMPERATURE

DATA SHEET DOCUMENT HISTORY
01/10/2003 07/28/2003 12/08/2003
pgs. 1, 2, 10, 19, 28, 35, 36, 41 pgs. 13, 24, 30, 32, 34 pgs. 1, 11, 34

CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054
for SALES 800-345-7015 or 408-727-6116 fax 408-492-8674
for Tech Support email phone 408-330-1552

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived IDT821054APFG Datasheet file may be downloaded here without warranties.

Datasheet ID: IDT821054APFG 637389