Fujitsu MHM2200AT Manual/User Guide - Page 164
Data transferring commands from host to device, SECURITY ERASE UNIT
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5.4 Command Protocol Note that the host does not need to read the Status register for the reading of a single sector or the last sector in multiple-sector reading. If the timing to read the Status register does not meet above condition, normal data transfer operation is not guaranteed. When the host new command even if the device requests the data transfer (setting in DRQ bit), the correct device operation is not guaranteed. Figure 5.4 Protocol for command abort 5.4.2 Data transferring commands from host to device The execution of the following commands involves Data transfer from the host to the drive. • WRITE SECTOR(S) • WRITE LONG • WRITE BUFFER • WRITE VERIFY • SECURITY DISABLE PASSWORD • SECURITY ERASE UNIT • SECURITY SET PASSWORD • SECURITY UNCLOK The execution of these commands includes the transfer one or more sectors of data from the host to the device. In the WRITE LONG command, 516 bytes are transferred. Following shows the protocol outline. C141-E104-03EN 5-87