Portability:	ASIC and FPGA
Maturity:	Silicon and FPGA proven
Availability:	Now

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Overview

The TDM-Pro Configurable Multi-Channel Serial Audio Transceiver Core (CWda26) is part of the AudioWorks™ family of proven audio interface cores designed to input and output digital audio streams in TDM full duplex. The TDM-Pro front-end interface also supports the well known stereo formats: I2S, Left-Justified or Right-Justified. The TDM-Pro backend interface is supplied with a choice of AMBA® or a flexible parallel interface

Specifications

• Runtime configurable audio format: multi-channel serial audio (TDM) and also I2S, Left-Justified, and Right-Justified
• Supports the hybrid TDM in I 2S format
• Full duplex operation
• Supports all commonly used sample rates including 32, 44.1, 48, 96 and 192 kHz
• Runtime configurable sample width, ranging from 8 to 32 bits per sample
• Pre-synthesis configurable sample FIFO depth
• Reports FIFO full and empty conditions and the number of samples in both Rx and Tx FIFOs
• Runtime configurable Rx UpperFIFO-Limit; a request is activated when this limit is exceeded
• Runtime configurable Tx LowerFIFO-Limit; a request is activated when this limit is exceeded
• Supports slave or master modes of the audio bus
• Supports up to 128 audio channels

Interfaces

• AMBA-APB, AMBA-AHB or parallel interface for configuration, control and status
• AMBA-APB, AMBA-AHB or parallel interface for audio input/output (backend interface)
• I2S/TDM interface for audio input
• I2S/TDM interface for audio output