Figure 5.3 Read Sector(S) Command Protocol - Fujitsu MHC2032AT Product Manual

Fujitsu computer drive - cd drive user manual
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words, the host should receive the relevant sector of data (512 bytes of uninsured
dummy data) or release the DRQ status by resetting.
Figure 5.3 shows an example of READ SECTOR(S) command protocol, and
Figure 5.4 shows an example protocol for command abort.

Figure 5.3 Read Sector(s) command protocol

Note:
For transfer of a sector of data, the host needs to read Status register (X'1F7') in order to
clear INTRQ (interrupt) signal. The Status register should be read within a period from the
DRQ setting by the device to 50 ms after the completion of the sector data transfer. Note that
the host does not need to read the Status register for the reading of a single sector or the last
C141-E050-02EN
5.4 Command Protocol
5-71

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