821054PQF Integrated Device Technology (Idt), 821054PQF Datasheet - Page 5

• Manufacturer Part Number: 821054PQF
• Description: Audio Codec 4ADC / 4DAC 64-Pin PQFP
• Manufacturer: Integrated Device Technology (Idt)
• Type: PCMr

Specifications of 821054PQF

• Package: 64PQFP
• Number Of Channels: 4ADC /4 DAC
• Number Of Dacs: 4
• Operating Supply Voltage: 5 V

IDT821054 QUAD PROGRAMMABLE PCM CODEC WITH MPI INTERFACE
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An Example of the MPI Interface Write Operation .............................................................................................................................. 9
An Example of the MPI Interface Read Operation (ID = 81H)............................................................................................................. 9
Sampling Edge Selection Waveform................................................................................................................................................. 10
Signal Flow for Each Channel ........................................................................................................................................................... 11
Debounce Filter ................................................................................................................................................................................. 13
General Procedure of Sending Caller-ID Signal................................................................................................................................ 14
A Recommended Procedure of Programming the FSK Generator ................................................................................................... 15
Clock Timing...................................................................................................................................................................................... 40
MPI Input Timing ............................................................................................................................................................................... 41
MPI Output Timing ............................................................................................................................................................................ 41
Transmit and Receive Timing............................................................................................................................................................ 42
Typical Frame Sync Timing (2 MHz Operation) ................................................................................................................................ 42
Coe-RAM Mapping............................................................................................................................................................................ 43
LIST OF FIGURES
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INDUSTRIAL TEMPERATURE RANGE