Question:
How to configure SPI Target in transmit mode with DMA including register-level configuration in ADSP-21569 processor?
Answer:
This example demonstrates how to configure SPI registers in target mode to perform simple data transfers (fixed or random data) using DMA. This project was tested in EV-21569-SOM board using CrossCore Embedded Studio (CCES) version 3.0.3.
Hardware Connection via EV-SOMCRR-BRKOUT (P4):
|
Signal |
SPI (1) – Master (Rx) |
SPI (0) – Slave (Tx) |
|
CLK |
Pin 7 |
Pin 2 |
|
MISO |
Pin 8 |
Pin 3 |
|
SS |
Pin 11 |
Pin 5 |