IDT821054APFG8 IDT, Integrated Device Technology Inc, IDT821054APFG8 Datasheet - Page 3

• Manufacturer Part Number: IDT821054APFG8
• Description: IC PCM CODEC QUAD MPI 64-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: PCM Codec/Filterr

Specifications of IDT821054APFG8

• Data Interface: PCM Audio Interface
• Number Of Adcs / Dacs: 4 / 4
• Sigma Delta: No
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 821054APFG8

IDT821054A QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE
1
2
3
4
5
6
7
Pin Description...................................................................................................................................................................................................7
Functional Description ......................................................................................................................................................................................9
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10 Channel Power Down/Standby Mode......................................................................................................................................................14
2.11 Power Down/Suspend Mode ...................................................................................................................................................................14
Operating The IDT821054A .............................................................................................................................................................................15
3.1
3.2
3.3
3.4
Absolute Maximum Ratings ............................................................................................................................................................................32
Recommended DC Operating Conditions .....................................................................................................................................................32
Electrical Characteristics ................................................................................................................................................................................32
6.1
6.2
6.3
Transmission Characteristics .........................................................................................................................................................................34
7.1
7.2
7.3
7.4
7.5
7.6
MPI/PCM Interface ....................................................................................................................................................................................9
2.1.1
2.1.2
DSP Programming...................................................................................................................................................................................11
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
SLIC Control ............................................................................................................................................................................................12
2.3.1
2.3.2
2.3.3
Hardware Ring Trip .................................................................................................................................................................................12
Interrupt and Interrupt Enable..................................................................................................................................................................12
Debounce Filters .....................................................................................................................................................................................13
Chopper Clock.........................................................................................................................................................................................13
Dual Tone and Ring Generation..............................................................................................................................................................13
Level Metering .........................................................................................................................................................................................14
Programming Description ........................................................................................................................................................................15
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
Power-on Sequence ................................................................................................................................................................................19
Default State After Reset.........................................................................................................................................................................19
Registers Description ..............................................................................................................................................................................20
3.4.1
3.4.2
3.4.3
Digital Interface........................................................................................................................................................................................32
Power Dissipation....................................................................................................................................................................................32
Analog Interface ......................................................................................................................................................................................33
Absolute Gain ..........................................................................................................................................................................................34
Gain Tracking ..........................................................................................................................................................................................34
Frequency Response ..............................................................................................................................................................................34
Group Delay ............................................................................................................................................................................................35
Distortion .................................................................................................................................................................................................35
Noise .......................................................................................................................................................................................................36
Microprocessor Interface (MPI) ....................................................................................................................................................9
PCM Bus ....................................................................................................................................................................................10
Signal Processing.......................................................................................................................................................................11
Gain Adjustment.........................................................................................................................................................................11
Transhybrid Balance ..................................................................................................................................................................12
Frequency Response Correction................................................................................................................................................12
SI1 and SI2.................................................................................................................................................................................12
SB1, SB2 and SB3 .....................................................................................................................................................................12
SO1 and SO2 .............................................................................................................................................................................12
Command Type and Format ......................................................................................................................................................15
Addressing the Local Registers..................................................................................................................................................15
Addressing the Global Registers................................................................................................................................................15
Addressing the Coe-RAM...........................................................................................................................................................15
Programming Examples .............................................................................................................................................................16
3.1.5.1
3.1.5.2
3.1.5.3
Registers Overview ....................................................................................................................................................................20
Global Registers List ..................................................................................................................................................................22
Local Registers List ....................................................................................................................................................................28
Impedance Matching .................................................................................................................................................................11
Example of Programming Local Registers .................................................................................................................16
Example of Programming Global Registers................................................................................................................16
Example of Programming the Coefficient-RAM ..........................................................................................................16
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