Functional Description
The SD Host Controller core consists of the following modules:
- Clock Management—Manages and generates clock source to SD receiver.
- SD Command Control—Transits command out from SD host controller and listening response from SD receiver
- SD Data Control—Transits data out from SD host controller and receive data coming back from SD receiver
- Buffer Control—Manages incoming data traffic and outgoing data traffic.
- DMA Engine—Manages ADMA data transfer protocol.
- Register—Stores control setting for host controller and status/response from SD receiver.