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Transcend Information TS4GSDHC 6 Camera Accessories User Manual

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4~32GB High Capacity Secure Digital Card

Transcend Information Inc.

15

CSD Register Structure

• TAAC

This field is fixed to 0Eh, which indicates 1 ms. The host should not use TAAC, NSAC, and R2W_FACTOR to calculate

timeout and should uses fixed timeout values for read and write operations (See 4.6.2).

• NSAC

This field is fixed to 00h. NSAC should not be used to calculate time-out values.

• TRAN_SPEED

The following table defines the maximum data transfer rate per one data line - TRAN_SPEED:

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