MMC Controller
Operation
This section describes the detailed structure and operation of
the MMC Controller.
- Sessions and Request Management
Describes how the MultiMediaCard Controller manages the sessions and sets the order of requests.
- State Machines
Description of the structure and operation of state machines.
- Command Objects
The MultiMediaCard controller uses a TMMCCommandDesc object to contain command and parameter information when issuing a command over the bus.
- Power Management
Describes the power management policies.
- Double Buffers
To improve throughput, Symbian platform provides the double buffer mechanism. This is a feature that allows a block of data to be prepared by the media driver while the hardware transfers a block of data. DMA transfers data without interrupting the CPU.
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