RT1060 evkmimxrt1060_sai_edma_record_playback 详解
evkmimxrt1060_sai_edma_record_playback
详细解析 evkmimxrt1060_sai_edma_record_playback
- 硬件:RT1060-EVK
- IDE:MCUXpresso
- SDK:2.16.000
RT1060 evkmimxrt1060_sai_edma_record_playback 详解
详细解析 evkmimxrt1060_sai_edma_record_playback
- 硬件:RT1060-EVK
- IDE:MCUXpresso
- SDK:2.16.000
第 6 章 增强型直接内存访问(eDMA) Overview
要点:
- 32通道;
- 每个TCD 32字节;
TCD 支持两层深度的嵌套传输操作:
- 每个通道在本地内存中存储 32 字节的 TCD
- 由小字节传输计数(
minor dyte transfer count
)定义的内部数据传输循环- 由主迭代计数(
major iteration count
)定义的外部数据传输循环
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