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

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Overview

The TDM-Tx-Pro (CWda19) is part of the AudioWorks family of proven audio interface cores featuring a configurable multi-channel audio interface designed to output a serial (TDM) digital audio stream. The TDM-Tx-Pro front-end interface also supports the well known stereo formats: Philips I²S, Left-Justified or Right-Justified. The TDM-Tx-Pro backend interface is supplied with a choice of AMBA®, CoreConnect™ or a flexible parallel interface

Specifications

• Runtime configurable output format: multi-channel audio serial (TDM) and also I2S, LeftJustified, Right-Justified
• 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 condition
• Reports number of samples in FIFO
• Runtime configurable 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
• Double clock domain design: output clock is unrelated to the sample rate frequency, Fs
• Reports channel synchronization lost

Interfaces

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