EE-140 Using the ADSP-21160 Serial Ports in Multi-channel Mode

About this manual

This document provides technical notes on using the ADSP-21160 serial ports in multi-channel mode. It includes hardware setup descriptions where two DSPs are connected to transmit and receive data across multiple channels simultaneously. The examples were tested on ADDS-21160M-EZLITE platforms.

What's inside

• Introduction
• Hardware Setup
• Software Description
• SPORT Receive Comparison Registers
• Example Code for DSP1
• Example Code for DSP2

Frequently asked questions

Which development tools were used to create the code examples in this note?

The code was developed using VisualDSP++1.0.

What value is placed in the KEY WD0 register for the receive comparison example?

The data value placed in the KEY WD0 register is 0x33333333.

How many words are moved by the DMA configuration in the DSP1 example?

The DMA is set up to transmit 16 words.