ADSP-2126x is a SHARC® DSP family, which can interface with a variety of peripherals. This document introduces how to use ADSP-2126x DSP's Signal Routing Unit to configure input and output.
This document serves as a technical guide for engineers configuring the Signal Routing Unit (SRU) on the ADSP-2126x SHARC DSP. It addresses the complexity of the SRU by offering a step-by-step approach to managing the Digital Audio Interface (DAI) pins, which can be software-controlled to define the function of up to 20 pins. The guide is intended for users new to the SRU who need assistance with initial project design.
The SRU is a software-controlled matrix that allows engineers to define the function of the 20 pins of the digital audio interface (DAI).
You can connect 20 or fewer unique signals to the DAI pins, as the SRU allows you to define the function of the 20 pins of the digital audio interface (DAI).
When the enable input is logic high, the logic value at the pin buffer input is driven onto the pin buffer output; when it is logic low, the buffer amplifier is high impedance.