Data conversion processing apparatus

Details Data conversion processing apparatus Data conversion processing apparatus

2007-05-22

2007-05-22

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

C341S050000

Reexamination Certificate

active

11385784

ABSTRACT:
A data conversion processing apparatus provides flexible and multifunctional resampling processing using the general-purpose setting method of direct memory access (DMA) setting. In the data conversion processing apparatus, in response to a CPU setting parameters such as input channel information and output channel information including an address for identifying each channel, the transfer amount, and so forth, for a DMA unit, the DMA unit performs data transfer via an input channel and output channel in accordance with the parameters specified by a CPU. A transfer from a first input section to a resampling section via the DMA unit can be specified, including transfer contents from a memory to a first output section. A transfer from the first input section to the first output section is performed by two DMA transfers.

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