MC56U032DCCA Datasheet, PDF(46/64 Page) Samsung semiconductor – Dual Voltage MultiMediaCard Specification

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MC56U032DCCA Datasheet, PDF (46/64 Pages) Samsung semiconductor – Dual Voltage MultiMediaCard Specification

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MultiMediaCardTM

Timing of The block Write Command

If the card does not have any more free data receive buffer, the card indicates it by pulling down the data

line to LOW. The card stops pulling down the data line as soon as at least one receive buffer for the

defined data transfer block length becomes free. This signaling does not give any information about the

data write status. This information has to be polled by the status polling command.

Erase block timing

The host must first tag the sector to erase. The tagged sector(s) are erased in parallel by using the

CMD35,36 CMD38. The card busy signaling is also used for the indication of the card erase procedure

duration. In this case the end of the card busy signaling also does mean that the erase of all tagged

sectors has been finished. The host can (also) request the card to send the actual card state using the

CMD13.

4.9.9 Reset

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