CT8022 Datasheet, PDF (7/194 Pages) List of Unclassifed Manufacturers – VOIP/VON G.723.1, G279AB TRUESPEECH CO-PROCESSOR

Version: 1.18
PRELIMINARY/CONFIDENTIAL
TrueSpeech® Co-Processor
9.20.1 Line Monitor Command .................................................................................................................... 130
9.20.2 Synchronous and Asynchronous Monitor Mode ............................................................................... 131
9.20.3 Enabling and Disabling the DTMF Detector..................................................................................... 132
9.20.4 Controlling the Call Progress Tone Filters F0-F3 ............................................................................. 132
9.20.5 Reading the Filter Energy Output...................................................................................................... 133
9.20.6 Selecting the Filter Characteristics .................................................................................................... 134
9.20.7 Changing the Filter Parameter Set Mapping Table ........................................................................... 135
9.20.8 Filter Detection Algorithm ................................................................................................................ 136
9.20.9 Reading the Filter History Register ................................................................................................... 137
9.20.10 Reading the Frame Counter............................................................................................................... 137
9.20.11 Programming the CT8022 Filters...................................................................................................... 138
9.20.12 Generating Interrupts from Line Monitor Events .............................................................................. 140
9.20.13 Operating the Line Monitor Detectors On the Outgoing Playback Audio Stream............................. 140
9.21 STANDALONE SPEAKERPHONE ................................................................................................................... 141
9.21.1 Enter Standalone Speakerphone Mode Command ............................................................................ 141
9.21.2 Get Speakerphone Status Command ................................................................................................. 142
9.21.3 Set Speakerphone Parameters Command .......................................................................................... 143
9.21.4 Speakerphone Configuration Command............................................................................................ 144
9.21.5 Generate Tone (In Speakerphone Mode) .......................................................................................... 144
9.21.6 Get Electrical Echo Canceller Quality Factor Command .................................................................. 145
9.22 HOST-TO-HOST DATA COMPRESSION AND DECOMPRESSION ..................................................................... 146
9.22.1 Host-to-Host Compression ................................................................................................................ 147
9.22.2 Host-to-Host Decompression ............................................................................................................ 149
9.22.3 Full Duplex Host-to-Host Compression-Decompression .................................................................. 151
9.23 TEST MODES.............................................................................................................................................. 152
9.23.1 Test Mode 1: Count Mode ................................................................................................................ 152
9.23.2 Test Mode 2: Digital Milliwatt.......................................................................................................... 152
9.23.3 Test Mode 3: Loopback .................................................................................................................... 152
9.23.4 Exit Test Mode.................................................................................................................................. 152
9.23.5 CODEC Loopback ............................................................................................................................ 153
9.23.6 CODEC (Audio) Monitoring............................................................................................................. 154
9.23.7 Speech Algorithm Testing................................................................................................................. 154
9.24 POWER SAVE MODES................................................................................................................................. 155
9.24.1 CT8022 Stop Mode........................................................................................................................... 155
9.24.2 Stop CODEC Mode........................................................................................................................... 155
9.24.3 Re-Start CODEC ............................................................................................................................... 155
9.24.4 CT8022 Slowdown (Power Save) Modes ......................................................................................... 156
9.24.5 Disable CLKOUT ............................................................................................................................. 156
9.24.6 Inter-Frame Idle Power Save............................................................................................................. 157
9.25 GENERAL PURPOSE INPUT OUTPUT PINS (GPIO) ....................................................................................... 158
9.25.1 Configure GPIO System Use............................................................................................................. 158
9.25.2 Configure GPIO Input/Output Direction:.......................................................................................... 158
9.25.3 Write GPIO Pins ............................................................................................................................... 159
9.25.4 Read GPIO Pins ................................................................................................................................ 159
10 CT8022 HOST INTERFACE TIMING ........................................................................................................ 160
10.1 HOST WRITE TO SOFTWARE CONTROL REGISTER MOST SIGNIFICANT BYTE.............................................. 160
10.2 HOST READ FROM SOFTWARE STATUS REGISTER MOST SIGNIFICANT BYTE.............................................. 161
10.3 HOST WRITE TO HOST TRANSMIT DATA BUFFER ACCESS PORT ................................................................ 162
10.4 HOST READ FROM HOST RECEIVE DATA BUFFER ACCESS PORT ............................................................... 163
10.5 DMA WRITE TO HOST TRANSMIT DATA BUFFER ACCESS PORT (BURST MODE) ...................................... 165
10.6 DMA WRITE TO HOST TRANSMIT DATA BUFFER ACCESS PORT (SINGLE CYCLE MODE) .......................... 166
10.7 DMA READ FROM HOST RECEIVE DATA BUFFER ACCESS PORT (BURST MODE) ...................................... 167
10.8 DMA READ FROM HOST RECEIVE DATA BUFFER ACCESS PORT (SINGLE CYCLE MODE).......................... 168
CT8022A11AQC FW Revision 0118
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All specifications are subject to change without prior notice.